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• Fix corrupt NTFS partition without Windows

  - by Capt.Nemo

  MY NTFS Partition has gotten corrupt somehow (it's a relic from the days when I had Windows installed). I'm putting the debug output of fdisk and blkid here. At the same time, any OS is unable to mount my root partition, which is located next to my NTFS partition. I'm not sure if this has anything to do with it, though. I get the following error while trying to mount my root partition (sda5) mount: wrong fs type, bad option, bad superblock on /dev/sda5, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so ubuntu@ubuntu:~$ dmesg | tail [ 1019.726530] Descriptor sense data with sense descriptors (in hex): [ 1019.726533] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 [ 1019.726551] 1a 3e ed 92 [ 1019.726558] sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate failed [ 1019.726568] sd 0:0:0:0: [sda] CDB: Read(10): 28 00 1a 3e ed 40 00 01 00 00 [ 1019.726584] end_request: I/O error, dev sda, sector 440331666 [ 1019.726602] JBD: Failed to read block at offset 462 [ 1019.726609] ata1: EH complete [ 1019.726612] JBD: recovery failed [ 1019.726617] EXT4-fs (sda5): error loading journal When I open gparted (using live CD), I get an exclamation next to my NTFS drive which states Is there a way to run chkdsk without using windows ? My attempt to run fsck results in the following : ubuntu@ubuntu:~$ sudo fsck /dev/sda fsck from util-linux-ng 2.17.2 e2fsck 1.41.14 (22-Dec-2010) fsck.ext2: Superblock invalid, trying backup blocks... fsck.ext2: Bad magic number in super-block while trying to open /dev/sda The superblock could not be read or does not describe a correct ext2 filesystem. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 <device> Update : I was able to fix the NTFS partition running chkdsk off HBCD, but it seems that the superblock problem still remains. *Update 2: * Fixed superblock issue using e2fsck -c /dev/sda5

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• How to solve package issues/dependencies

  - by Wolfgang Kuehne

  Background info I am trying to install Veins simulation environment by following the tutorial provided by the author. In step 1 it is required to install some packages in Linux, the tutorial suggest this commands to be executed on Terminal: sudo apt-get install build-essential gcc g++ bison flex perl tcl-dev tk-dev blt libxml2-dev zlib1g-dev default-jre doxygen graphviz libwebkitgtk-1.0-0 openmpi-bin libopenmpi-dev libpcap-dev autoconf automake libtool libxerces-c2-dev proj libgdal1-dev libfox-1.6-dev When I execute this command, I immediately get: E: Package 'proj' has no installation candidate Then I remove the proj from the command and execute it again without proj in it, next I get: The following packages have unmet dependencies: libgdal1-dev : Depends: libgdal-dev but it is not going to be installed E: Unable to correct problems, you have held broken packages. So, I remove libgdal1-dev from the command as well. And it executes file, by downloading the remaining packages. To troubleshoot the problem with proj and libdgal1-dev I go to the Synaptic Package Manager. libgdal1-dev I search for libgdal1-dev in Synaptic Package Manager and I get an entry. I Mark for Installation and then Synaptic Package Manager suggests removing libxerces-c2-dev which is actually added via the initial command. Should I trust Synaptic Package Manager with this suggestion, and proceed further? proj What should I do about proj. There are some packages in Synaptic Package Manager such as proj-bin or libproj-dev. Should I install them? I think proj has to do with this and this What should I do to make sure that this simulation tool works fine?

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• Database Connectivity Test with UDL File

  - by Ben Griswold

  I bounced around between projects a lot last week.  What each project had in common was the need to validate at least one SQL connection.  Whether you have SQL tools like SSMS installed or not, this is a very easy task if you are aware of the UDL (Universal Data Link) files.  Create a new file and name it anything as long as it has the .udl extension. Open the file, choose a provider: Click Next >> or navigate to the Connection Tab to provide connection information.  Once you provide server and login credentials, the database list will populate.  At this point, you know the connection is valid. but go ahead and click the Test Connection button anyway. On the final tab, you can provide extra connection information like Application Name which can come in handy.  The All tab is beneficial if you want to build a valid connection string to include in your own applications.  If you save the file and then open in Notepad, you’ll find that said connection string: Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=master;Data Source=(local);Application Name=TestApp I hope this tip helps save you some time.  How do you test if you don’t have SSMS installed?

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• CodePlex Daily Summary for Thursday, May 20, 2010

  CodePlex Daily Summary for Thursday, May 20, 2010New ProjectsAlphaChannel: Closed projectAragon Online Client: The Aragon Online Client is a front-end application allowing users to play the online game http://aragon-online.net The client fetches game data a...BISBCarManager: Car managerBlammo.Net: Blammo.Net is a simple logging system that allows for multiple files, has simple configuration, and is modular.C# IMAPI2 Samples: This project is my effort to port the VB Script IMAPI2 samples to C# 4.0 and provide CD/DVD Burning capabilities in C#. This takes advantage of th...DemotToolkit: A toolbox to help you enjoy the demotivators.FMI Silverlight Course: This is the site for the final project of the Silverlight course taught at the Sofia University in the summer semester of 2010.InfoPath Publisher Helper: Building a large set of InfoPath Templates? Bored of the repetive stsadm commands to deploy an online form? This tool will allow you to submit ...JSBallBounce - HTML5 Stereocopy: A demo of basic stereoscopy in HTML5Kindler: Kindler allows you to easily convert simply HTML into documents that can be easily read on the Amazon Kindle.Maybe: Maybe or IfNotNull using lambdas for deep expressions. int? CityId= employee.Maybe(e=>e.Person.Address.City);PopCorn Project : play music with system beeps: PopCorn is an application that can play monophonic music through system beeps. You can launch music on the local machine, or on a remote server thr...RuneScape 2 Chronos - Emulation done right.: RuneScape 2 Chronos is a RuneScape 2 Emulator framework. It is completely open-source and is programmed in a way in which should be simpler for it'...RWEntregas: Projeto do Rogrigo e Wender referente a entregasSilverAmp: A media player to demonstrate lots of new Silverlight 4 features. Running out of browser and reading files from the MyMusic folder are two of them....Silverlight Scheduler: A light-weight silverlight scheduler control.SimpleContainer: SimpleContainer is very simple IoC container that consists of one class that implements two remarkable methods: one for registration and one for re...sqlserverextensions: This project will provide some use operations for files and directories. Further development will include extended string operations.TechWorks Portugal Sample BI Project: Techworks is a complete Microsoft BI sample project customized for Portugal to be used in demo and learning scenarios. It is based in SQL Server 20...Test4Proj: Test4ProjTV Show Renamer: TV Show Renamer is a program that is designed to take files downloaded off the internet and rename them to a more user friendly file name. It is fo...UnFreeZeMouSeW7: This small application disable or enable the standby mode on Windows 7 devices. As the mouse pointer freezes or the latency increase on some device...VianaNET - Videoanalysis for physical motion: The VianaNET project targets physics education. The software enables to analyze the motion of colored objects in life-video and video files. The da...Visual Studio 2010 extension for helping SharePoint 2010 debugging: This is a Visual Studio 2010 extensibility project that extends the debugging support for the built-in SharePoint 2010 tools with new menu items an...Visual Studio 2010 Load Test Plugins Library: Useful plugin library for Visual Studio Load Test 2010 version. (Best for web tests).VMware Lab Manager Powershell Cmdlet: This is a simple powershell cmdlet which connects you with the VMware lab manager internal soap api.Webgame UI: Bot to webgameNew ReleasesActipro WPF Controls Contrib: v2010.1: Minor tweaks and updated to target Actipro WPF Studio 2010.1. Addition of Editors.Interop.Datagrid project, which allows Actipro Editors for WPF t...Blammo.Net: Blammo.Net 1.0: This is the initial release of Blammo.Net.Build Version Increment Add-In Visual Studio: Shared Assembly Info Setup: Example solution that makes use of one shared assembly info file.CSS 360 Planetary Calendar: Zero Feature Release: =============================================================================== Zero Feature Release Version: 0.0 Description: This is a binar...DotNetNuke® Community Edition: 05.04.02: Updated the Installation Wizard's Polish & German language packs. Improved performance of Sql script for listing modules by portal. Improved De...DotNetNuke® Store: 02.01.36: What's New in this release? Bugs corrected: - The reference to resource.zip has been commented in the Install package. Sorry for that it's my mista...Extend SmallBasic: Teaching Extensions v.016: added turtle tree quizExtremeML: ExtremeML v1.0 Beta 2: Following the decision to terminate development of the Premium Edition of ExtremeML, this release includes all code previously restricted to the Pr...InfoPath Publisher Helper: 1st Release: InfoPath Publisher Helper Tool The version is mostly stable. There are some UI errors, which can be ignored. The code has not been cleaned up so t...JSBallBounce - HTML5 Stereocopy: HTML5 Stereoscopic Bouncing Balls Demo: Stereoscopic rendering in HTML5kdar: KDAR 0.0.22: KDAR - Kernel Debugger Anti Rootkit - signature's bases updated - ALPC port jbject check added - tcpip internal critical area checks added - some ...Lightweight Fluent Workflow: Objectflow core: Release Notes Fixed minor defects Framework changes Added IsFalse for boolean conditions Defects fixed IsTrue works with Not operator Installati...LiquidSilver SharePoint Framework: LiquidSilver 0.2.0.0 Beta: Changes in this version: - Fixed a bug in HgListItem when parsing double and int fields. - Added the LiquidSilver.Extra project. - Added the Liquid...Matrix: MatrixPlugin-0.5.1: Works with UniqueRoutes plugin on Google Code Works in Linux (path changes, variable usage etc) Builds .st2plugin by default Adapted to ST3MRDS Samples: MRDS Samples 1.0: Initial Release Please read the installation instructions on the Read Me page carefully before you unzip the samples. This ZIP file contains sourc...PopCorn Project : play music with system beeps: Popcorn v0.1: 1st beta releaseRuneScape 2 Chronos - Emulation done right.: Revision 0: Alpha stage of the Chronos source.SCSI Interface for Multimedia and Block Devices: Release 13 - Integrated Shell, x64 Fixes, and more: Changes from the previous version: - Added an integrated shell browser to the program and removed the Add/Remove File/Folder buttons, since the she...Silverlight Console: Silverlight Console Release 2: Release contains: - Orktane.Console.dll - Orktane.ScriptActions.dll Release targets: - Silverlight 4 Dependencies: - nRoute.Toolkit for Silverlig...SimpleContainer: SimpleContainer: Initial release of SimpleContainer library.Springshield Sample Site for EPiServer CMS: Springshield 1.0: City of Springshield - The accessible sample site for EPiServer CMS 6. Read the readme.txt on how to install.SQL Trim: 20100519: Improved releasesqlserverextensions: V 0.1 alpha: Version 0.1 Alphasvchost viewer: svchost viewer ver. 0.5.0.1: Got some feedback from a user, with some nice ideas so here they are: • Made the program resizable. • Program now saves the size and position when...Tribe.Cache: Tribe.Cache RC: Release Candidate There are breaking changes between BETA and RC :- 1) Cache Dictionary is now not exposed to the client. 2) Completly Thread Sa...TV Show Renamer: TV Show Renamer: This is the first public release. Don't worry that it is version 2.1 that is because i keep adding features to it and then upping the version numbe...UnFreeZeMouSeW7: UnFreeZeMouSeW7 0.1: First releaseVCC: Latest build, v2.1.30519.0: Automatic drop of latest buildVianaNET - Videoanalysis for physical motion: VianaNET V1.1 - alpha: This is the first alpha release of the completely rewritten Viana. Known issues are: - sometimes black frame at initial load of video - no abilit...visinia: visinia_1: The beta is gone, the visinia is here with visinia 1. now you can confidently install visinia use visinia and enjoy visinia. This version of visini...visinia: visinia_1_Src: The beta is gone, the visinia is here with visinia 1. now you can confidently install visinia use visinia and enjoy visinia. This version of visini...Visual Studio 2010 extension for helping SharePoint 2010 debugging: 1.0 First public release: The extension is released as a Visual Studio 2010 solution. See my related blog post at http://pholpar.wordpress.com/2010/05/20/visual-studio-2010-...Visual Studio 2010 Load Test Plugins Library: version 1 stable: version 1 stableVMware Lab Manager Powershell Cmdlet: LMCmdlet 1.0.0: first Release. You need to be an Administrator to install this cmdlet. After you run setup open powershell type: Get-PSSnapin -Registered you sh...WF Personalplaner: Personalplaner v1.7.29.10139: - Wenn ein Schema erstellt wird mit der Checkbox "Als neues Schema speichern" wurde pro Person ein Schema erstellt - Wenn ein Pensum geändert wurde...XAM.NET: XAM 1.0p2 + Issue Tracker 8396: Patch release for Issue Tracker 8396Xrns2XMod: Xrns2XMod 1.2: Fixed 32 bit flac conversion - Thanks to Yuri for updating FlacBox librariesMost Popular ProjectsRawrWBFS ManagerAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)patterns & practices – Enterprise LibraryMicrosoft SQL Server Community & SamplesPHPExcelASP.NETMost Active Projectspatterns & practices – Enterprise LibraryRawrPHPExcelGMap.NET - Great Maps for Windows Forms & PresentationCustomer Portal Accelerator for Microsoft Dynamics CRMBlogEngine.NETWindows Azure Command-line Tools for PHP DevelopersCassiniDev - Cassini 3.5/4.0 Developers EditionSQL Server PowerShell ExtensionsFluent Ribbon Control Suite

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• WPA2 authentication fails on Ubuntu 12.04 using Rosewill RNX-N1

  - by user94156

  Decided to reduce the clutter in the house and replace a wired connection with a wireless one on my wife's system using USB network device Rosewill RNX-X1. I can see and connect to unprotected network, but WPA2 authentication repeatedly fails. RNX-X1 works on other systems (including TV); also have 2 of 'em and tried each. Worth noting that I recently switched from Comcast to CenturyLink and so switched routers. The system connected successfully to previous router (Linksys EA4500) using WPA2. Would think it is the router (Actiontec C1000A) but all other devices (TV, iPad, Windows, Blackberry, and Squeezebox) connect ok. Would appreciate some diagnostic guidance and insight (phrased for a newbie!) Tests to date: sudo lshw -class network *-network description: Ethernet interface product: RTL8111/8168B PCI Express Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:03:00.0 logical name: eth0 version: 01 serial: 00:e0:4d:30:40:a1 size: 10Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm vpd msi pciexpress bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=N/A latency=0 link=no multicast=yes port=MII speed=10Mbit/s resources: irq:47 ioport:ac00(size=256) memory:fdcff000-fdcfffff memory:fdb00000-fdb1ffff *-network description: Wireless interface physical id: 1 bus info: usb@1:2 logical name: wlan1 serial: 00:02:6f:bd:30:a0 capabilities: ethernet physical wireless configuration: broadcast=yes driver=rt2800usb driverversion=3.2.0-31-generic firmware=0.29 link=no multicast=yes wireless=IEEE 802.11bgn sudo lspci -v 00:00.0 RAM memory: NVIDIA Corporation MCP67 Memory Controller (rev a2) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0 Capabilities: [44] HyperTransport: Slave or Primary Interface Capabilities: [dc] HyperTransport: MSI Mapping Enable+ Fixed- 00:01.0 ISA bridge: NVIDIA Corporation MCP67 ISA Bridge (rev a2) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0 00:01.1 SMBus: NVIDIA Corporation MCP67 SMBus (rev a2) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: 66MHz, fast devsel, IRQ 11 I/O ports at fc00 [size=64] I/O ports at 1c00 [size=64] I/O ports at 1c40 [size=64] Capabilities: [44] Power Management version 2 Kernel driver in use: nForce2_smbus Kernel modules: i2c-nforce2 00:01.2 RAM memory: NVIDIA Corporation MCP67 Memory Controller (rev a2) Flags: 66MHz, fast devsel 00:02.0 USB controller: NVIDIA Corporation MCP67 OHCI USB 1.1 Controller (rev a2) (prog-if 10 [OHCI]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 23 Memory at fe02f000 (32-bit, non-prefetchable) [size=4K] Capabilities: [44] Power Management version 2 Kernel driver in use: ohci_hcd 00:02.1 USB controller: NVIDIA Corporation MCP67 EHCI USB 2.0 Controller (rev a2) (prog-if 20 [EHCI]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 22 Memory at fe02e000 (32-bit, non-prefetchable) [size=256] Capabilities: [44] Debug port: BAR=1 offset=0098 Capabilities: [80] Power Management version 2 Kernel driver in use: ehci_hcd 00:04.0 USB controller: NVIDIA Corporation MCP67 OHCI USB 1.1 Controller (rev a2) (prog-if 10 [OHCI]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 21 Memory at fe02d000 (32-bit, non-prefetchable) [size=4K] Capabilities: [44] Power Management version 2 Kernel driver in use: ohci_hcd 00:04.1 USB controller: NVIDIA Corporation MCP67 EHCI USB 2.0 Controller (rev a2) (prog-if 20 [EHCI]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 20 Memory at fe02c000 (32-bit, non-prefetchable) [size=256] Capabilities: [44] Debug port: BAR=1 offset=0098 Capabilities: [80] Power Management version 2 Kernel driver in use: ehci_hcd 00:06.0 IDE interface: NVIDIA Corporation MCP67 IDE Controller (rev a1) (prog-if 8a [Master SecP PriP]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0 [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8] [virtual] Memory at 000003f0 (type 3, non-prefetchable) [size=1] [virtual] Memory at 00000170 (32-bit, non-prefetchable) [size=8] [virtual] Memory at 00000370 (type 3, non-prefetchable) [size=1] I/O ports at f000 [size=16] Capabilities: [44] Power Management version 2 Kernel driver in use: pata_amd Kernel modules: pata_amd 00:07.0 Audio device: NVIDIA Corporation MCP67 High Definition Audio (rev a1) Subsystem: Biostar Microtech Int'l Corp Device 820c Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 22 Memory at fe024000 (32-bit, non-prefetchable) [size=16K] Capabilities: [44] Power Management version 2 Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+ Capabilities: [6c] HyperTransport: MSI Mapping Enable- Fixed+ Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel 00:08.0 PCI bridge: NVIDIA Corporation MCP67 PCI Bridge (rev a2) (prog-if 01 [Subtractive decode]) Flags: bus master, 66MHz, fast devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=32 I/O behind bridge: 0000c000-0000cfff Memory behind bridge: fdf00000-fdffffff Prefetchable memory behind bridge: fd000000-fd0fffff Capabilities: [b8] Subsystem: NVIDIA Corporation Device cb84 Capabilities: [8c] HyperTransport: MSI Mapping Enable- Fixed- 00:09.0 IDE interface: NVIDIA Corporation MCP67 AHCI Controller (rev a2) (prog-if 85 [Master SecO PriO]) Subsystem: Biostar Microtech Int'l Corp Device 5407 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 23 I/O ports at 09f0 [size=8] I/O ports at 0bf0 [size=4] I/O ports at 0970 [size=8] I/O ports at 0b70 [size=4] I/O ports at dc00 [size=16] Memory at fe02a000 (32-bit, non-prefetchable) [size=8K] Capabilities: [44] Power Management version 2 Capabilities: [8c] SATA HBA v1.0 Capabilities: [b0] MSI: Enable- Count=1/8 Maskable- 64bit+ Capabilities: [cc] HyperTransport: MSI Mapping Enable- Fixed+ Kernel driver in use: ahci 00:0b.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 I/O behind bridge: 0000b000-0000bfff Memory behind bridge: fde00000-fdefffff Prefetchable memory behind bridge: 00000000fdd00000-00000000fddfffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:0c.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=03, subordinate=03, sec-latency=0 I/O behind bridge: 0000a000-0000afff Memory behind bridge: fdc00000-fdcfffff Prefetchable memory behind bridge: 00000000fdb00000-00000000fdbfffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:0d.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=04, subordinate=04, sec-latency=0 I/O behind bridge: 00009000-00009fff Memory behind bridge: fda00000-fdafffff Prefetchable memory behind bridge: 00000000fd900000-00000000fd9fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:0e.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=05, subordinate=05, sec-latency=0 I/O behind bridge: 00008000-00008fff Memory behind bridge: fd800000-fd8fffff Prefetchable memory behind bridge: 00000000fd700000-00000000fd7fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:0f.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=06, subordinate=06, sec-latency=0 I/O behind bridge: 00007000-00007fff Memory behind bridge: fd600000-fd6fffff Prefetchable memory behind bridge: 00000000fd500000-00000000fd5fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:10.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=07, subordinate=07, sec-latency=0 I/O behind bridge: 00006000-00006fff Memory behind bridge: fd400000-fd4fffff Prefetchable memory behind bridge: 00000000fd300000-00000000fd3fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:11.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=08, subordinate=08, sec-latency=0 I/O behind bridge: 00005000-00005fff Memory behind bridge: fd200000-fd2fffff Prefetchable memory behind bridge: 00000000fd100000-00000000fd1fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:12.0 VGA compatible controller: NVIDIA Corporation C68 [GeForce 7050 PV / nForce 630a] (rev a2) (prog-if 00 [VGA controller]) Subsystem: Biostar Microtech Int'l Corp Device 1406 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 21 Memory at fb000000 (32-bit, non-prefetchable) [size=16M] Memory at e0000000 (64-bit, prefetchable) [size=256M] Memory at fc000000 (64-bit, non-prefetchable) [size=16M] [virtual] Expansion ROM at 80000000 [disabled] [size=128K] Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+ Kernel driver in use: nvidia Kernel modules: nvidia_current, nouveau, nvidiafb 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration Flags: fast devsel Capabilities: [80] HyperTransport: Host or Secondary Interface 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map Flags: fast devsel 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller Flags: fast devsel 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control Flags: fast devsel Capabilities: [f0] Secure device <?> Kernel driver in use: k8temp Kernel modules: k8temp 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01) Subsystem: Biostar Microtech Int'l Corp Device 2305 Flags: bus master, fast devsel, latency 0, IRQ 47 I/O ports at ac00 [size=256] Memory at fdcff000 (64-bit, non-prefetchable) [size=4K] [virtual] Expansion ROM at fdb00000 [disabled] [size=128K] Capabilities: [40] Power Management version 2 Capabilities: [48] Vital Product Data Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] Express Endpoint, MSI 00 Capabilities: [84] Vendor Specific Information: Len=4c <?> Capabilities: [100] Advanced Error Reporting Capabilities: [12c] Virtual Channel Capabilities: [148] Device Serial Number 32-00-00-00-10-ec-81-68 Capabilities: [154] Power Budgeting <?> Kernel driver in use: r8169 Kernel modules: r8169 sudo rfkill list all 2: phy2: Wireless LAN Soft blocked: no Hard blocked: no

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• "Give with Bing" - Help raise money for Sports relief while searching for whatever you want

  - by Testas

  While Sport Relief drives fundraising by challenging people to do physical activities such as running a mile, we’re introducing the ‘Bing Search Mile,’ which gives people the ability to search using Bing and raise money for charity. For every 10 searches made, Bing.com will donate 5p to Sport Relief 2010, enabling you, and your friends and family, to raise money just by searching with Bing until the end of March. With the average mile taking about 10 minutes to run, in the same time, you can make up to 150 searches online - that’s 75p raised for a good cause per ‘search mile’. And while you’re at it,  why not step it up a gear and aim to complete a ‘Search Mile’ each day or even a ‘Search Marathon’ over the 5 week campaign with your colleagues, friends and family? How to get involved: 1.      Visit GiveWithBing.com and download the Official Sport Relief Bing Counter. Once downloaded, the Sport Relief counter will count all the searches you do on Bing from that point on.  2.      Now that you’re registered (and signed in), invite your friends, family, colleagues or classmates to join in the fundraising with you – GiveWithBing.com automatically generates an email explaining how it works for you to send them – the more people who search with you, the more money you raise. People can also register a school 3.      Run your ‘search mile’ every day and watch how your searches turn into life-changing cash for charity, with every 10 searches equalling 5p for Sport Relief. You can check your progress by visiting your individual page (more info here).  This is such a positive initiative and I challenge everyone in the UK to invite their key contacts to be part of Give with Bing.   Chris

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• Sprite and Physics components or sub-components?

  - by ashes999

  I'm taking my first dive into creating a very simple entity framework. The key concepts (classes) are: Entity (has 0+ components, can return components by type) SpriteEntity (everything you need to draw on screen, including lighting info) PhysicsEntity (velocity, acceleration, collision detection) I started out with physics notions in my sprite component, and then later removed them to a sub-component. The separation of concerns makes sense; a sprite is enough information to draw anything (X, Y, width, height, lighting, etc.) and physics piggybacks (uses the parent sprite to get X/Y/W/H) while adding physics notions of velocity and collisions. The problem is that I would like collisions to be on an entity level -- meaning "no matter what your representation is (be it sprites, text, or something else), collide against this entity." So I refactored and redirected collision handling from entities to sprite.physics, while mapping and returning the right entity on physics collisions. The problem is that writing code like this.GetComponent<SpriteComponent>().physics is a violation of abstraction. Which made me think (this is the TLDR): should I keep physics as a separate component from sprites, or a sub-component, or something else? How should I share data and separate concerns?

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• "wrong fs type, bad option, bad superblock" error while mounting FAT Drives

  - by cshubhamrao

  I am unable to mount any fat32 or fat16 formatted usb disks under Ubuntu 13.10. The thing here to note is that it is happening only with fat formatted Disks. ntfs, ext formatted external usb disks work well (I tried formatting the same with ext4 and it worked) While mounting via nautilus: Error while mounting from terminal: root@shubham-pc:~# mount -t vfat /dev/sdc1 /media/shubham/n mount: wrong fs type, bad option, bad superblock on /dev/sdc1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so As suggested by the error: Output from dmesg | tail root@shubham-pc:~# dmesg | tail [ 3545.482598] scsi8 : usb-storage 1-1:1.0 [ 3546.481530] scsi 8:0:0:0: Direct-Access SanDisk Cruzer 1.26 PQ: 0 ANSI: 5 [ 3546.482373] sd 8:0:0:0: Attached scsi generic sg3 type 0 [ 3546.483758] sd 8:0:0:0: [sdc] 15633408 512-byte logical blocks: (8.00 GB/7.45 GiB) [ 3546.485254] sd 8:0:0:0: [sdc] Write Protect is off [ 3546.485262] sd 8:0:0:0: [sdc] Mode Sense: 43 00 00 00 [ 3546.488314] sd 8:0:0:0: [sdc] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA [ 3546.499820] sdc: sdc1 [ 3546.503388] sd 8:0:0:0: [sdc] Attached SCSI removable disk [ 3547.273396] FAT-fs (sdc1): IO charset iso8859-1 not found Output from fsck.vfat: root@shubham-pc:~# fsck.vfat /dev/sdc1 dosfsck 3.0.16, 01 Mar 2013, FAT32, LFN /dev/sdc1: 1 files, 1/1949978 clusters All normal Tried re-creating the whole partition table and then formatting as fat32 but to no avail so the possibility of corrupted drive is ruled out. Tried the same with around 4 Disks or so and all have the same things

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• Black screen after grub kernal selection menu

  - by skip

  I have an Acer eMachines e727 with Intel GMA 4500M integrated graphics (drivers updated to latest). I installed Ubuntu 12.04 using Wubi. All is well until I select the kernal (first one on the list). My display goes black. I searched for solutions and found one on Unbuntu forum which partially helped. Following that sticky post, I pressed "e" at the kernal listings. I changed the $Linux... default line to "quiet splash nomodeset" and was able to get to the login screen and desktop. I edited grub to make the nomodeset permanent (also removed the vt command as recommended). I followed through with changing grub to match the graphics as recommended in the article using the grub cli (using info from vbeinfo). I updated grub with the recommended settings but still get the black screen after selecting the kernal. Only nomodeset works to get me to the login and desktop. Once I get to the desktop, my display resolution shows being set to 1024x768 but it actually looks like 800x680. What do I need to do to get past these issues? Thanks!

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• Why are two indicator-network versions being worked on?

  - by Daniel Rodrigues

  Some months ago, on the road to Ubuntu Maverick, a new system indicator, network (with connman as a backend), started to be developed. The plan was to get it into UNE and release it with no notifcation area. Unfortunately it didn't make it into the final version. However, continued efforts are still being made to improve it, and I'm getting regular updates. From a blueprint from the last UDS, I read that the plan was to ship no notification area and only indicators. For that, it was defined that nm-applet (backend: NetworkManager) should be ported to the appindicator library. Today I discovered that those efforts are going on and a initial version is available for testing, available from Matt Trudel PPA (Natty only). So, my questions is, to whoever has the necessary info: wouldn't it be easier to join efforts and concentrate the work in just one version (probably NetworkManager backend, as that's the official plan), instead of breaking those efforts apart and hampering both testing and developing? Both indicators are being developed by Canonical engineers, and that really doesn't make much sense. So, any Canonical engineer willing to clarify this?

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• Solaris 11 Resources for System Administrators

  - by rickramsey

  Have too much to worry about? Let us lighten the load. OTN's job is to filter through all the available resources and take you straight to the content that will help you do your job. For starters ... Oracle Solaris 11 Documentation Library Rock-solid instructions and background from the best tech writers in the business. Includes: Getting Started (including What's New and Release Notes) Installing and Updating (includes info about IPS) Administration Guide Security Guide Working With the Desktop Developing Applications for Solaris 11 Reference Manuals Important Information from Previous Releases Related Information Legal Notes Oracle Solaris 11 Training Oracle University offers training and certification for sysadmins at all levels. If you're familiar with Oracle Solaris 10, these courses are the best way to become familiar with Solaris 11: What's New in Oracle Solaris 11 (self-study) Transition to Solaris 11 - classroom and virtual Solaris 11 Administration - classroom and virtual Solaris 11 Advanced Administration - classroom and virtual These are the education paths for Oracle Certifications on Solaris 11: Oracle Certified Associate Oracle Certified Professional Courses for Solaris System, Network, and Security Administration - scroll to bottom of page for Solaris courses Indexes and Feeds of Our Best How-To Articles We update these indexes and feeds only after we read through the available content and select the best. These are our personal recommendations by topic, product, or audience. We'll be adding content about Oracle Solaris 11 in the coming days and weeks. Keep an eye out. All Systems Indexes Solaris 11 Collection All System Feeds OTN Systems Community Home Page Our Home Page is the same as the front page of a newspaper, but without the advertising. Latest articles, latest useful content from the community, plus links to all the other resources available on OTN. ... And If You Want to Be The First To Know After we select the best content, the first thing we do is hang out at the OTN Garage and talk about it.  Every once in a while we talk about cool cars and motorcycles, too: On Facebook On Twitter On Our Blog - Rick Ramsey Website Newsletter Facebook Twitter

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• Bug with Set / Get Accessor in .Net 3.5

  - by MarkPearl

  I spent a few hours scratching my head on this one... So I thought I would blog about it in case someone else had the same headache. Assume you have a class, and you are wanting to use the INotifyPropertyChanged interface so that when you bind to an instance of the class, you get the magic sauce of binding to do you updates to the UI. Well, I had a special instance where I wanted one of the properties of the class to add some additional formatting to itself whenever someone changed its value (see the code below).   class Test: INotifyPropertyChanged {     private string_inputValue;     public stringInputValue     {         get        {             return_inputValue;         }         set        {             if(value!= _inputValue)             {                 _inputValue = value+ "Extra Stuff";                 NotifyPropertyChanged("InputValue");                     }         }     }     public eventPropertyChangedEventHandler PropertyChanged;     public voidNotifyPropertyChanged(stringinfo)     {         if(PropertyChanged != null)         {             PropertyChanged(this, newPropertyChangedEventArgs(info));         }     } }   Everything looked fine, but when I ran it in my WPF project, the textbox I was binding to would not update? I couldn’t understand it! I thought the code made sense, so why wasn’t it working? Eventually StackOverflow came to the rescue, where I was told that it was a bug in the .Net 3.5 Runtime and that a fix was scheduled in .Net 4 For those who have the same problem, here is the workaround… You need to put the NotifyPropertyChanged method on the application thread! public string InputValue { get { return _inputValue; } set { if (value != _inputValue) { _inputValue = value + "Extra Stuff"; // // React to the type of measurement // Application.Current.Dispatcher.BeginInvoke((Action)delegate { NotifyPropertyChanged("InputValue"); }); } } }

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• Updating Banshee to 2.4

  - by Lucasguy11

  I have banshee 2.2.1 with Ubuntu 11.10 I have been trying to update banshee to 2.4 (released yesterday) but it just isnt working, I have been using sudo add-apt-repository ppa:banshee-team/ppa in terminal, from the Banshee.fm website. but after running through terminal it says this: sudo add-apt-repository ppa:banshee-team/ppa You are about to add the following PPA to your system: PPA for Banshee Team This PPA contains the latest stable debs of Banshee for Ubuntu. To install Banshee, you must first enable the PPA on your system: 1. Open Software Sources (System->Administration->Software Sources) 2. Navigate to the "Third Party Sources" tab. 3. Click "Add" 4. Enter the APT line below that corresponds to your Ubuntu version that starts with "deb". 5. Click "Add Source" 6. Click "Close" 7. It will prompt you to reload your software cache. Click "Reload". 8. Now install the package "banshee" from Synaptic, or using the command below: sudo apt-get install banshee For those who wish to compile from trunk, add the deb-src line and then run "sudo apt-get build-dep" to install all required dependencies before starting to compile. Unstable (version which have odd minor version numbers) debs of Banshee can be found here: https://launchpad.net/~banshee-team/+archive/banshee-unstable More info: https://launchpad.net/~banshee-team/+archive/ppa Press [ENTER] to continue or ctrl-c to cancel adding it Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /tmp/tmp.OPAjxemDQr --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver hkp://keyserver.ubuntu.com:80/ --recv 9D2C2E0A3C88DD807EC787D74874D3686E80C6B7 gpg: requesting key 6E80C6B7 from hkp server keyserver.ubuntu.com gpg: key 6E80C6B7: "Launchpad PPA for Banshee Team" not changed gpg: Total number processed: 1 gpg: unchanged: 1 I believe I have the ppa but, im not sure. I need a step by step process to get this, ive been trying to figure it out for quite a while now...

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• Couldn't make Angry birds to work on wine

  - by Ashfame

  I could run Notepad++ easily but I fail to run the Angry bird exe. Whenever I open the exe, I see one of my screen flickrs a bit (as lines and not the whole screen) and nothing happens. Any ideas? Edit: Output of wine angrybirds.exe fixme:actctx:parse_depend_manifests Could not find dependent assembly L"Microsoft.VC80.CRT" (8.0.50727.4053) fixme:actctx:parse_depend_manifests Could not find dependent assembly L"Microsoft.VC90.CRT" (9.0.21022.8) err:module:import_dll Library MSVCP90.dll (which is needed by L"C:\\windows\\system32\\AppUpWrapper.dll") not found err:module:import_dll Library AppUpWrapper.dll (which is needed by L"C:\\windows\\system32\\angrybirds.exe") not found err:module:LdrInitializeThunk Main exe initialization for L"C:\\windows\\system32\\angrybirds.exe" failed, status c0000135 I think it didn't even install. I manually dropped those files in the folder but still no gain. Edit: Progress I dropped the file MSVCP90.dll manually and now this is what I get in the output fixme:actctx:parse_depend_manifests Could not find dependent assembly L"Microsoft.VC80.CRT" (8.0.50727.4053) fixme:actctx:parse_depend_manifests Could not find dependent assembly L"Microsoft.VC90.CRT" (9.0.21022.8) fixme:heap:HeapSetInformation 0x541000 0 0x32fd48 4 fixme:heap:HeapSetInformation (nil) 1 (nil) 0 EXCEPTION: Failed to open data/scripts/starLimits.lua wine: Unhandled exception 0x40000015 at address 0x7b880023:0x78b271d0 (thread 0009), starting debugger... fixme:msvcr90:__clean_type_info_names_internal (0x10267694) stub fixme:msvcr90:__clean_type_info_names_internal (0x78506644) stub ashfame@ashfame-desktop:~$ Process of pid=0008 has terminated No process loaded, cannot execute 'echo Modules:' Cannot get info on module while no process is loaded No process loaded, cannot execute 'echo Threads:' process tid prio (all id:s are in hex) 0000000e services.exe 00000014 0 00000010 0 0000000f 0 00000011 winedevice.exe 00000018 0 00000016 0 00000013 0 00000012 0 00000019 explorer.exe 0000001a 0 You must be attached to a process to run this command. No process loaded, cannot execute 'detach' and there the terminal hangs (I mean I would have to Ctrl + C to get out). It shows up the famous message, that it needs to close down. Edit: Just to let you know that I am still stuck at it. I don't use wine for anything else, so I am ready to do a clean install of wine and everything if anyone is willing to provide me instructions.

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• Wireless with WEP extremely slow on an Acer Timeline 4810T with a Centrino Wireless-N 1000

  - by noq38

  I've upgraded an Acer Timeline 4810T to Ubuntu 11.10. Everything works fine except for the darn wireless interface (network manager). I just tested the wireless interface over a non-encrypted signal and it works beautifully. The issue is definitely related to WEP. Unfortunately, some of the networks I need to connect to are WEP encrypted, therefore this is a serious issue for me that is preventing me from using Ubuntu on my laptop. This was no problem in 11.04 and prior. Is there a simple solution for this? Any suggestions? Here's more hardware information. Hopefully this helps to debug the network issue: sudo lshw -class network *-network description: Wireless interface product: Centrino Wireless-N 1000 vendor: Intel Corporation physical id: 0 bus info: pci@0000:02:00.0 logical name: wlan0 version: 00 serial: 00:1e:64:3c:5e:e0 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlagn driverversion=3.0.0-13-generic-pae firmware=39.31.5.1 build 35138 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn resources: irq:43 memory:d2400000-d2401fff lspci 02:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000 rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no 1: acer-wireless: Wireless LAN Soft blocked: no Hard blocked: no Many thanks for your help! I just tested the wireless interface over a non-encrypted signal and it works beautifully. The issue is definitely related to WEP. Unfortunately, some of the networks I need to connect to are WEP encrypted, therefore this is a serious issue for me that is preventing me from using Ubuntu on my laptop. Any suggestions?

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• Everythings changes, except that it doesn&rsquo;t

  - by Dennis Vroegop

  You may have noticed this. Microsoft launched a new product this week. Well, launched is a strong word, they announced it. They call it.. The Surface! What is it? Well, it’s a cool looking family of tablets designed for Windows 8. And I have to say: they look stunning and I can’t wait to have one. There’s just one thing.. The name..Where have I heard that before? Why, indeed! Yes, it is also the name of a new paradigm in computing: Surface Computing. You may have read something about that, here on this blog for instance. Well, in order to prevent confusion they have decided to rename Surface to Pixelsense. You know, the technology that drives the ‘camera’ inside the Samsung SUR40 for Microsoft Surface…. So now, when we talk about Surface, we mean the new tablet. When we talk about Pixelsense we mean that big table… So there you have it… Welcome PixelSense! For more info see http://www.surface.com for the tablet and http://www.pixelsense.com for Pixelsense.

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• Oracle on Oracle: Is that all?

  - by Darin Pendergraft

  On October 17th, I posted a short blog and a podcast interview with Chirag Andani, talking about how Oracle IT uses its own IDM products. Blog link here. In response, I received a comment from reader Jaime Cardoso ([email protected]) who posted: “- You could have talked about how by deploying Oracle's Open standards base technology you were able to integrate any new system in your infrastructure in days. - You could have talked about how by deploying federation you were enabling the business side to keep all their options open in terms of companies to buy and sell while maintaining perfect employee and customer's single view. - You could have talked about how you are now able to cut response times to your audit and security teams into 1/10th of your former times Instead you spent 6 minutes talking about single sign on and self provisioning? If I didn't knew your IDM offer so well I would now be wondering what its differences from Microsoft's offer was. Sorry for not giving a positive comment here but, please your IDM suite is very good and, you simply aren't promoting it well enough” So I decided to send Jaime a note asking him about his experience, and to get his perspective on what makes the Oracle products great. What I found out is that Jaime is a very experienced IDM Architect with several major projects under his belt. Darin Pendergraft: Can you tell me a bit about your experience? How long have you worked in IT, and what is your IDM experience? Jaime Cardoso: I started working in "serious" IT in 1998 when I became Netscape's technical specialist in Portugal. Netscape Portugal didn't exist so, I was working for their VAR here. Most of my work at the time was with Netscape's mail server and LDAP server. Since that time I've been bouncing between the system's side like Sun resellers, Solaris stuff and even worked with Sun's Engineering in the making of an Hierarchical Storage Product (Sun CIS if you know it) and the application's side, mostly in LDAP and IDM. Over the years I've been doing support, service delivery and pre-sales / architecture design of IDM solutions in most big customers in Portugal, to name a few projects: - The first European deployment of Sun Access Manager (SAPO – Portugal Telecom) - The identity repository of 5/5 of the Biggest Portuguese banks - The Portuguese government federation of services project DP: OK, in your blog response, you mentioned 3 topics: 1. Using Oracle's standards based architecture; (you) were able to integrate any new system in days: can you give an example? What systems, how long did it take, number of apps/users/accounts/roles etc. JC: It's relatively easy to design a user management strategy for a static environment, or if you simply assume that you're an <insert vendor here> shop and all your systems will bow to that vendor's will. We've all seen that path, the use of proprietary technologies in interoperability solutions but, then reality kicks in. As an ISP I recall that I made the technical decision to use Active Directory as a central authentication system for the entire IT infrastructure. Clients, systems, apps, everything was there. As a good part of the systems and apps were running on UNIX, then a connector became needed in order to have UNIX boxes to authenticate against AD. And, that strategy worked but, each new machine required the component to be installed, monitoring had to be made for that component and each new app had to be independently certified. A self care user portal was an ongoing project, AD access assumes the client is inside the domain, something the ISP's customers (and UNIX boxes) weren't nor had any intention of ever being. When the Windows 2008 rollout was done, Microsoft changed the Active Directory interface. The Windows administrators didn't have enough know-how about directories and the way systems outside the MS world behaved so, on the go live, things weren't properly tested and a general outage followed. Several hours and 1 roll back later, everything was back working. But, the ISP still had to change all of its applications to work with the new access methods and reset the effort spent on the self service user portal. To keep with the same strategy, they would also have to trust Microsoft not to change interfaces again. Simply by putting up an Oracle LDAP server in the middle and replicating the user info from the AD into LDAP, most of the problems went away. Even systems for which no AD connector existed had PAM in them so, integration was made at the OS level, fully supported by the OS supplier. Sun Identity Manager already had a self care portal, combined with a user workflow so, all the clearances had to be given before the account was created or updated. Adding a new system as a client for these authentication services was simply a new checkbox in the OS installer and, even True64 systems were, for the first time integrated also with a 5 minute work of a junior system admin. True, all the windows clients and MS apps still went to the AD for their authentication needs so, from the start everybody knew that they weren't 100% free of migration pains but, now they had a single point of problems to look at. If you're looking for numbers: - 500K directory entries (users) - 2-300 systems After the initial setup, I personally integrated about 20 systems / apps against LDAP in 1 day while being watched by the different IT teams. The internal IT staff did the rest. DP: 2. Using Federation allows the business to keep options open for buying and selling companies, and yet maintain a single view for both employee and customer. What do you mean by this? Can you give an example? JC: The market is dynamic. The company that's being bought today tomorrow will be sold again. Companies that spread on different markets may see the regulator forcing a sale of part of a company due to monopoly reasons and companies that are in multiple countries have to comply with different legislations. Our job, as IT architects, while addressing the customers and employees authentication services, is quite hard and, quite contrary. On one hand, we need to give access to all of our employees to the relevant systems, apps and resources and, we already have marketing talking with us trying to find out who's a customer of the bough company but not from ours to address. On the other hand, we have to do that and keep in mind we may have to break up all that effort and that different countries legislation may became a problem with a full integration plan. That's a job for user Federation. you don't want to be the one who's telling your President that he will sell that business unit without it's customer's database (making the deal worth a lot less) or that the buyer will take with him a copy of your entire customer's database. Federation enables you to start controlling permissions to users outside of your traditional authentication realm. So what if the people of that company you just bought are keeping their old logins? Do you want, because of that, to have a dedicated system for their expenses reports? And do you want to keep their sales (and pre-sales) people out of the loop in terms of your group's path? Control the information flow, establish a Federation trust circle and give access to your apps to users that haven't (yet?) been brought into your internal login systems. You can still see your users in a unified view, you obviously control if a user has access to any particular application, either that user is in your local database or stored in a directory on the other side of the world. DP: 3. Cut response times of audit and security teams to 1/10. Is this a real number? Can you give an example? JC: No, I don't have any backing for this number. One of the companies I did system Administration for has a SOX compliance policy in place (I remind you that I live in Portugal so, this definition of SOX may be somewhat different from what you're used to) and, every time the audit team says they'll do another audit, we have to negotiate with them the size of the sample and we spend about 15 man/days gathering all the required info they ask. I did some work with Sun's Identity auditor and, from what I've been seeing, Oracle's product is even better and, I've seen that most of the information they ask would have been provided in a few hours with the help of this tool. I do stand by what I said here but, to be honest, someone from Identity Auditor team would do a much better job than me explaining this time savings. Jaime is right: the Oracle IDM products have a lot of business value, and Oracle IT is using them for a lot more than I was able to cover in the short podcast that I posted. I want to thank Jaime for his comments and perspective. We want these blog posts to be informative and honest – so if you have feedback for the Oracle IDM team on any topic discussed here, please post your comments below.

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• no hdmi sound on Ubuntu 12.04 LTS

  - by bart

  i'm very new to ubuntu/linux. I installed Ubuntu 12.04 LTS on my vista laptop (nvidia gpu) in dual boot and with some help of google i'm almost ready to go. The only thing that i can't figure out is how to play sound trough my hdmi connected to my tv. Speakers of the laptop are ok, in te sound settings i can see -hdmi -digital -speaker outputs. The top 2 won't play sound so i googled around, found a bunch of things to try but the only thing succesfull so far was to erase all the drivers from the audio settings and they stayed gone. So finally i re-installed from scratch but still no sound trough hdmi. Re-installed 6times in the last 3 days now so the only thing left for me is reaching out for help/advice about this. How can i play sound on my tv connected with hdmi? I will be glad to give more info if needed cuz this is driving me crazy, thanks for your help in advance ! Bart.

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• How to improve battery life on Samsung 13.3” Series 7 Ultra (NP730U3E-S01AU)?

  - by beam022

  Recently I've bought a Series 7 Ultra Samsung ultrabook and decided to change the OS from originally installed Windows 8 to Ubuntu 14.04LTS. However, it's difficult not to notice great decrease in battery life: on pre-installed Windows 8 battery would last for about 6 hours while on Ubuntu it's almost empty after 2 hours of same kind of work (wi-fi, web, vlc, spotify, intellij idea). I'm not here to say that Ubuntu's battery performance is worse than Windows, but to ask for suggestions how to improve the situation (2 hours of work is pretty poor battery life). Can you recommend some sources, applications or tips/tricks that would improve battery life on my ultrabook? I really like the Ubuntu experience, but this makes my machine much less reliable. I suspect that graphic video card might be one of the issues here. Let me give you tech specs of the ultrabook: Processor: Intel® Core™ i5 Processor 3337U (1.80GHz, 3MB L3 Cache) Chipset: Intel HM76 Graphic: AMD Radeon™ HD 8570M Graphics with 1GB gDDR3 Graphic Memory (PowerExpress) and Intel(R) HD Graphics 4000 Display: 13.3" SuperBright+ 350nit FHD LED Display (1920 x 1080), Anti-Reflective Memory: 10GB DDR3 System Memory at 1,600MHz Hard-drive: 128GB Solid-state Drive More informations here, on the official page. If it's helpful to provide additional info, I'm happy to do it, just let me know what you need. Thank you.

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• How do i delete these files?

  - by user107277

  I ran this command sudo find / -type d -name '*Trash*' | sudo xargs du -h | sort This was the output: 100M /root/.local/share/Trash/files/recup_dir.2.30 100M /root/.local/share/Trash/files/recup_dir.2.72 100M /root/.local/share/Trash/files/recup_dir.32 101M /root/.local/share/Trash/files/recup_dir.2.27 101M /root/.local/share/Trash/files/recup_dir.29 103M /root/.local/share/Trash/files/recup_dir.2.7 103M /root/.local/share/Trash/files/recup_dir.9 103M /root/.local/share/Trash/files/recup_dir.93 106M /root/.local/share/Trash/files/recup_dir.187 106M /root/.local/share/Trash/files/recup_dir.71 107M /root/.local/share/Trash/files/recup_dir.131 107M /root/.local/share/Trash/files/recup_dir.136 107M /root/.local/share/Trash/files/recup_dir.2.46 107M /root/.local/share/Trash/files/recup_dir.51 108M /root/.local/share/Trash/files/recup_dir.106 108M /root/.local/share/Trash/files/recup_dir.2.78 108M /root/.local/share/Trash/files/recup_dir.52 109M /root/.local/share/Trash/files/recup_dir.2.32 109M /root/.local/share/Trash/files/recup_dir.34 110M /root/.local/share/Trash/files/recup_dir.2.28 110M /root/.local/share/Trash/files/recup_dir.2.53 110M /root/.local/share/Trash/files/recup_dir.30 110M /root/.local/share/Trash/files/recup_dir.55 110M /root/.local/share/Trash/files/recup_dir.89 112M /root/.local/share/Trash/files/recup_dir.2.31 112M /root/.local/share/Trash/files/recup_dir.33 114M /root/.local/share/Trash/files/recup_dir.2.29 114M /root/.local/share/Trash/files/recup_dir.2.74 114M /root/.local/share/Trash/files/recup_dir.31 115M /root/.local/share/Trash/files/recup_dir.125 117M /root/.local/share/Trash/files/recup_dir.83 118M /root/.local/share/Trash/files/recup_dir.105 118M /root/.local/share/Trash/files/recup_dir.2.70 119M /root/.local/share/Trash/files/recup_dir.133 1.1G /root/.local/share/Trash/files/recup_dir.148 11M /root/.local/share/Trash/files/recup_dir.179 1.1M /root/.local/share/Trash/info 122M /root/.local/share/Trash/files/recup_dir.80 124M /root/.local/share/Trash/files/recup_dir.137 125G /root/.local/share/Trash 125G /root/.local/share/Trash/files 125M /root/.local/share/Trash/files/recup_dir.2.49 129M /root/.local/share/Trash/files/recup_dir.153 1.2G /root/.local/share/Trash/files/recup_dir.165 1.2G /root/.local/share/Trash/files/recup_dir.166 12K /media/A80E1DE60E1DAE76/.Trash-1000/files 12M /root/.local/share/Trash/files/recup_dir.178 12M /root/.local/share/Trash/files/recup_dir.180 12M /root/.local/share/Trash/files/recup_dir.181 130M /root/.local/share/Trash/files/recup_dir.85 137M /root/.local/share/Trash/files/recup_dir.2.5 137M /root/.local/share/Trash/files/recup_dir.7 137M /root/.local/share/Trash/files/recup_dir.76 13M /root/.local/share/Trash/files/recup_dir.143 13M /root/.local/share/Trash/files/recup_dir.18 13M /root/.local/share/Trash/files/recup_dir.182 13M /root/.local/share/Trash/files/recup_dir.2.16 13M /root/.local/share/Trash/files/recup_dir.2.2 13M /root/.local/share/Trash/files/recup_dir.4 140M /root/.local/share/Trash/files/recup_dir.2.77 145M /root/.local/share/Trash/files/recup_dir.2.63 147M /root/.local/share/Trash/files/recup_dir.2.43 147M /root/.local/share/Trash/files/recup_dir.45 148M /root/.local/share/Trash/files/recup_dir.84 149M /root/.local/share/Trash/files/recup_dir.160 149M /root/.local/share/Trash/files/recup_dir.2.79 1.4G /root/.local/share/Trash/files/recup_dir.191 150M /root/.local/share/Trash/files/recup_dir.2.26 150M /root/.local/share/Trash/files/recup_dir.28 153M /root/.local/share/Trash/files/recup_dir.64 153M /root/.local/share/Trash/files/recup_dir.78 154M /root/.local/share/Trash/files/recup_dir.107 155M /root/.local/share/Trash/files/recup_dir.2.80 155M /root/.local/share/Trash/files/recup_dir.79 15M /root/.local/share/Trash/files/recup_dir.151 162M /root/.local/share/Trash/files/recup_dir.65 163M /root/.local/share/Trash/files/recup_dir.82 164M /root/.local/share/Trash/files/recup_dir.104 165M /root/.local/share/Trash/files/recup_dir.2.39 165M /root/.local/share/Trash/files/recup_dir.41 168M /root/.local/share/Trash/files/recup_dir.2.62 16M /root/.local/share/Trash/files/recup_dir.171 170M /root/.local/share/Trash/files/recup_dir.135 170M /root/.local/share/Trash/files/recup_dir.159 171M /root/.local/share/Trash/files/recup_dir.91 172M /root/.local/share/Trash/files/recup_dir.2.41 172M /root/.local/share/Trash/files/recup_dir.43 175M /root/.local/share/Trash/files/recup_dir.2.33 175M /root/.local/share/Trash/files/recup_dir.35 176M /root/.local/share/Trash/files/recup_dir.2.76 179M /root/.local/share/Trash/files/recup_dir.2.38 179M /root/.local/share/Trash/files/recup_dir.40 179M /root/.local/share/Trash/files/recup_dir.61 1.7G /root/.local/share/Trash/files/recup_dir.167 17M /root/.local/share/Trash/files/recup_dir.172 180M /root/.local/share/Trash/files/recup_dir.186 181M /root/.local/share/Trash/files/recup_dir.2.71 182M /root/.local/share/Trash/files/recup_dir.158 183M /root/.local/share/Trash/files/recup_dir.2.59 185M /root/.local/share/Trash/files/recup_dir.123 189M /root/.local/share/Trash/files/recup_dir.92 18M /root/.local/share/Trash/files/recup_dir.142 18M /root/.local/share/Trash/files/recup_dir.149 18M /root/.local/share/Trash/files/recup_dir.150 18M /root/.local/share/Trash/files/recup_dir.152 18M /root/.local/share/Trash/files/recup_dir.173 18M /root/.local/share/Trash/files/recup_dir.177 191M /root/.local/share/Trash/files/recup_dir.147 193M /root/.local/share/Trash/files/recup_dir.102 195M /root/.local/share/Trash/files/recup_dir.73 196M /root/.local/share/Trash/files/recup_dir.94 198M /root/.local/share/Trash/files/recup_dir.2.58 19M /root/.local/share/Trash/files/recup_dir.175 19M /root/.local/share/Trash/files/recup_dir.176 205M /root/.local/share/Trash/files/recup_dir.108 206M /root/.local/share/Trash/files/recup_dir.56 206M /root/.local/share/Trash/files/recup_dir.60 207M /root/.local/share/Trash/files/recup_dir.2.55 209M /root/.local/share/Trash/files/recup_dir.90 2.0G /root/.local/share/Trash/files/recup_dir.190 20K /media/A80E1DE60E1DAE76/.Trash-1000/info 20M /root/.local/share/Trash/files/recup_dir.17 20M /root/.local/share/Trash/files/recup_dir.2.15 210M /root/.local/share/Trash/files/recup_dir.121 211M /root/.local/share/Trash/files/recup_dir.134 212M /root/.local/share/Trash/files/recup_dir.57 21M /root/.local/share/Trash/files/recup_dir.174 223M /root/.local/share/Trash/files/recup_dir.88 225M /root/.local/share/Trash/files/recup_dir.118 230M /root/.local/share/Trash/files/recup_dir.87 232M /root/.local/share/Trash/files/recup_dir.66 235M /root/.local/share/Trash/files/recup_dir.139 236M /root/.local/share/Trash/files/recup_dir.97 238M /root/.local/share/Trash/files/recup_dir.2.54 240M /root/.local/share/Trash/files/recup_dir.163 241M /root/.local/share/Trash/files/recup_dir.126 242M /root/.local/share/Trash/files/recup_dir.2.81 243M /root/.local/share/Trash/files/recup_dir.156 244M /root/.local/share/Trash/files/recup_dir.2.37 244M /root/.local/share/Trash/files/recup_dir.39 248M /root/.local/share/Trash/files/recup_dir.110 249M /root/.local/share/Trash/files/recup_dir.75 256M /root/.local/share/Trash/files/recup_dir.2.73 257M /root/.local/share/Trash/files/recup_dir.2.64 25M /root/.local/share/Trash/files/recup_dir.10 25M /root/.local/share/Trash/files/recup_dir.2.8 262M /root/.local/share/Trash/files/recup_dir.86 266M /root/.local/share/Trash/files/recup_dir.144 27M /root/.local/share/Trash/files/recup_dir.99 282M /root/.local/share/Trash/files/recup_dir.127 29M /root/.local/share/Trash/files/recup_dir.183 29M /root/.local/share/Trash/files/recup_dir.22 29M /root/.local/share/Trash/files/recup_dir.2.20 316M /root/.local/share/Trash/files/recup_dir.124 31M /root/.local/share/Trash/files/recup_dir.2.21 31M /root/.local/share/Trash/files/recup_dir.23 320M /root/.local/share/Trash/files/recup_dir.168 32M /root/.local/share/Trash/files/recup_dir.12 32M /root/.local/share/Trash/files/recup_dir.2.10 334M /root/.local/share/Trash/files/recup_dir.140 338M /root/.local/share/Trash/files/recup_dir.69 33M /root/.local/share/Trash/files/recup_dir.21 33M /root/.local/share/Trash/files/recup_dir.2.19 340M /root/.local/share/Trash/files/recup_dir.2.57 341M /root/.local/share/Trash/files/recup_dir.185 342M /root/.local/share/Trash/files/recup_dir.169 343M /root/.local/share/Trash/files/recup_dir.129 346M /root/.local/share/Trash/files/recup_dir.111 348M /root/.local/share/Trash/files/recup_dir.103 351M /root/.local/share/Trash/files/recup_dir.2.34 351M /root/.local/share/Trash/files/recup_dir.36 352M /root/.local/share/Trash/files/recup_dir.155 358M /root/.local/share/Trash/files/recup_dir.59 36G /root/.local/share/Trash/files/recup_dir.1 36G /root/.local/share/Trash/files/recup_dir.2 36M /root/.local/share/Trash/files/recup_dir.120 36M /root/.local/share/Trash/files/recup_dir.2.24 36M /root/.local/share/Trash/files/recup_dir.2.51 36M /root/.local/share/Trash/files/recup_dir.26 37M /root/.local/share/Trash/files/recup_dir.112 390M /root/.local/share/Trash/files/recup_dir.162 398M /root/.local/share/Trash/files/recup_dir.2.67 39M /root/.local/share/Trash/files/recup_dir.145 401M /root/.local/share/Trash/files/recup_dir.2.52 402M /root/.local/share/Trash/files/recup_dir.54 408M /root/.local/share/Trash/files/recup_dir.2.40 408M /root/.local/share/Trash/files/recup_dir.42 4.0K /home/daniel/.local/share/Trash 40K /media/A80E1DE60E1DAE76/.Trash-1000 41M /root/.local/share/Trash/files/recup_dir.13 41M /root/.local/share/Trash/files/recup_dir.2.11 428M /root/.local/share/Trash/files/recup_dir.2.61 434M /root/.local/share/Trash/files/recup_dir.2.36 434M /root/.local/share/Trash/files/recup_dir.38 43M /root/.local/share/Trash/files/recup_dir.19 43M /root/.local/share/Trash/files/recup_dir.2.17 43M /root/.local/share/Trash/files/recup_dir.53 440M /root/.local/share/Trash/files/recup_dir.157 448M /root/.local/share/Trash/files/recup_dir.2.35 448M /root/.local/share/Trash/files/recup_dir.37 44M /root/.local/share/Trash/files/recup_dir.20 44M /root/.local/share/Trash/files/recup_dir.2.18 454M /root/.local/share/Trash/files/recup_dir.116 47M /root/.local/share/Trash/files/recup_dir.11 47M /root/.local/share/Trash/files/recup_dir.2.9 48M /root/.local/share/Trash/files/recup_dir.2.48 495M /root/.local/share/Trash/files/recup_dir.192 49M /root/.local/share/Trash/files/recup_dir.114 49M /root/.local/share/Trash/files/recup_dir.50 52M /root/.local/share/Trash/files/recup_dir.3 538M /root/.local/share/Trash/files/recup_dir.2.68 53M /root/.local/share/Trash/files/recup_dir.95 54M /root/.local/share/Trash/files/recup_dir.98 551M /root/.local/share/Trash/files/recup_dir.63 57M /root/.local/share/Trash/files/recup_dir.101 5.7M /root/.local/share/Trash/files/recup_dir.119 57M /root/.local/share/Trash/files/recup_dir.14 57M /root/.local/share/Trash/files/recup_dir.2.12 581M /root/.local/share/Trash/files/recup_dir.70 586M /root/.local/share/Trash/files/recup_dir.170 588M /root/.local/share/Trash/files/recup_dir.62 58M /root/.local/share/Trash/files/recup_dir.2.4 58M /root/.local/share/Trash/files/recup_dir.2.42 58M /root/.local/share/Trash/files/recup_dir.44 58M /root/.local/share/Trash/files/recup_dir.6 59M /root/.local/share/Trash/files/recup_dir.2.22 59M /root/.local/share/Trash/files/recup_dir.24 603M /root/.local/share/Trash/files/recup_dir.109 60M /root/.local/share/Trash/files/recup_dir.15 60M /root/.local/share/Trash/files/recup_dir.2.13 619M /root/.local/share/Trash/files/recup_dir.154 61M /root/.local/share/Trash/files/recup_dir.2.23 61M /root/.local/share/Trash/files/recup_dir.25 626M /root/.local/share/Trash/files/recup_dir.138 62M /root/.local/share/Trash/files/recup_dir.2.3 62M /root/.local/share/Trash/files/recup_dir.5 63M /root/.local/share/Trash/files/recup_dir.188 64M /root/.local/share/Trash/files/recup_dir.2.1 65M /root/.local/share/Trash/files/recup_dir.113 65M /root/.local/share/Trash/files/recup_dir.146 69M /root/.local/share/Trash/files/recup_dir.122 701M /root/.local/share/Trash/files/recup_dir.2.60 71M /root/.local/share/Trash/files/recup_dir.130 71M /root/.local/share/Trash/files/recup_dir.141 72M /root/.local/share/Trash/files/recup_dir.132 72M /root/.local/share/Trash/files/recup_dir.2.47 74M /root/.local/share/Trash/files/recup_dir.16 74M /root/.local/share/Trash/files/recup_dir.2.14 74M /root/.local/share/Trash/files/recup_dir.2.25 74M /root/.local/share/Trash/files/recup_dir.2.45 74M /root/.local/share/Trash/files/recup_dir.27 74M /root/.local/share/Trash/files/recup_dir.47 751M /root/.local/share/Trash/files/recup_dir.164 752M /root/.local/share/Trash/files/recup_dir.128 76M /root/.local/share/Trash/files/recup_dir.49 77M /root/.local/share/Trash/files/recup_dir.115 77M /root/.local/share/Trash/files/recup_dir.77 8.0K /media/A80E1DE60E1DAE76/.Trash-1000/expunged 810M /root/.local/share/Trash/files/recup_dir.58 815M /root/.local/share/Trash/files/recup_dir.2.66 818M /root/.local/share/Trash/files/recup_dir.2.56 82M /root/.local/share/Trash/files/recup_dir.2.44 82M /root/.local/share/Trash/files/recup_dir.46 835M /root/.local/share/Trash/files/recup_dir.68 84M /root/.local/share/Trash/files/recup_dir.189 860M /root/.local/share/Trash/files/recup_dir.161 86M /root/.local/share/Trash/files/recup_dir.117 86M /root/.local/share/Trash/files/recup_dir.2.69 86M /root/.local/share/Trash/files/recup_dir.2.75 90M /root/.local/share/Trash/files/recup_dir.74 924M /root/.local/share/Trash/files/recup_dir.184 94M /root/.local/share/Trash/files/recup_dir.81 95M /root/.local/share/Trash/files/recup_dir.100 96M /root/.local/share/Trash/files/recup_dir.2.6 96M /root/.local/share/Trash/files/recup_dir.2.65 96M /root/.local/share/Trash/files/recup_dir.8 97M /root/.local/share/Trash/files/recup_dir.2.50 97M /root/.local/share/Trash/files/recup_dir.67 97M /root/.local/share/Trash/files/recup_dir.72 98M /root/.local/share/Trash/files/recup_dir.96 99M /root/.local/share/Trash/files/recup_dir.48 How do I delete these files?

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• Use 3 monitors w/built-in intel adapter + two old nvidia PCI cards on 10.10?

  - by Kendall Gifford

  I'd like to move from windows with my current workstation. The only thing holding me back is that I have 3 monitors connected to the system and I really take advantage of the real estate when working. I just installed Ubuntu 10.10 on the system and one of the monitors is up and running just fine. This monitor is connected to the built-in Intel adapter. I also have two old nVidia GeForce4 MX 4000 (nv19pl) cards in my two PCI slots with two monitors connected to them respectively. I installed the legacy (and proprietary) nVidia drivers (the nvidia-96 package) that claims to support these old cards. Now the question is how to get X configured to use all adapters (using two different drivers) so I can use all three monitors (and is this even possible)? From what I've read, it looks like I'll have to write an xorg.conf file since the nVidia driver doesn't support the auto-magic configuration supported by other drivers. On this site: http://wiki.ubuntu.com/X/Config it says that on 10.10 I just need to write an xorg.conf "containing only those sections and options that you need to override Xorg's autoconfigurated settings". So, does this mean I can get away with only including the nVidia-specific configuration stuff and all else will get auto-configured? Or, will providing a config with a "Device" section overrule the auto-magic from detecting/using the Intel adapter? I ran the included nvidia-xconfig to generate a basic, nVidia-specific xorg.conf but I'm hesitant to reboot with it in place, suspecting I'll have a screwed up display. Also, is there any way (any tool or command) to generate an xorg.conf from the current, auto-configured running state of an X session? If I have to write a full, complete config, I'd rather start with one that includes everything that's been auto-detected thus far (and merge it with my nVidia version). Anyhow, any info and thoughts are greatly appreciated (as are answers).

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• Boot failure after update and system crash 11.10

  - by Alubuntu

  I'm using: Dell XPS M1330 laptop, Ubuntu 11.10 32bits, single boot (only Linux OS), Virtualbox (with Windows XP on virtual machine). System crashed while working with a very heavy image on GIMP (and Virtualbox was on). During the same session, I made an automatic system update, but don't know what was exactly updated. After the crash the system doesn't boot. Always freezes on terminal screen but at different stages, ""Starting CUPS printing spooler/server", "Checking battery state", "mountall: plymouth command failed", etc. Sometimes indicates [failed] in some of the processes and sometimes they're all [ok]. Did a Boot info summary with boot-repair and gave me this report http://paste.ubuntu.com/1050743/ This is not a new install, have been using it for almost 6 months...though since last month it couldn't halt..it started shutting down and stopped at black screen with fan on and on/off light still on (I used to finish the shutdown process by forcing halt with a long-press of the power button). I don't know if these has anything to do with the boot failure. Is there anyway I can solve this issue (the boot failure) or make some sort of system check to find out what is the cause of the problem? I wasn't sure if this was the right place to ask the question, so I also did it at https://answers.launchpad.net/ubuntu/+question/201004

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• Unable to cast transparent proxy to type &lt;type&gt;

  - by Rick Strahl

  This is not the first time I've run into this wonderful error while creating new AppDomains in .NET and then trying to load types and access them across App Domains. In almost all cases the problem I've run into with this error the problem comes from the two AppDomains involved loading different copies of the same type. Unless the types match exactly and come exactly from the same assembly the typecast will fail. The most common scenario is that the types are loaded from different assemblies - as unlikely as that sounds. An Example of Failure To give some context, I'm working on some old code in Html Help Builder that creates a new AppDomain in order to parse assembly information for documentation purposes. I create a new AppDomain in order to load up an assembly process it and then immediately unload it along with the AppDomain. The AppDomain allows for unloading that otherwise wouldn't be possible as well as isolating my code from the assembly that's being loaded. The process to accomplish this is fairly established and I use it for lots of applications that use add-in like functionality - basically anywhere where code needs to be isolated and have the ability to be unloaded. My pattern for this is: Create a new AppDomain Load a Factory Class into the AppDomain Use the Factory Class to load additional types from the remote domain Here's the relevant code from my TypeParserFactory that creates a domain and then loads a specific type - TypeParser - that is accessed cross-AppDomain in the parent domain:public class TypeParserFactory : System.MarshalByRefObject,IDisposable { …/// <summary> /// TypeParser Factory method that loads the TypeParser /// object into a new AppDomain so it can be unloaded. /// Creates AppDomain and creates type. /// </summary> /// <returns></returns> public TypeParser CreateTypeParser() { if (!CreateAppDomain(null)) return null; /// Create the instance inside of the new AppDomain /// Note: remote domain uses local EXE's AppBasePath!!! TypeParser parser = null; try { Assembly assembly = Assembly.GetExecutingAssembly(); string assemblyPath = Assembly.GetExecutingAssembly().Location; parser = (TypeParser) this.LocalAppDomain.CreateInstanceFrom(assemblyPath, typeof(TypeParser).FullName).Unwrap(); } catch (Exception ex) { this.ErrorMessage = ex.GetBaseException().Message; return null; } return parser; } private bool CreateAppDomain(string lcAppDomain) { if (lcAppDomain == null) lcAppDomain = "wwReflection" + Guid.NewGuid().ToString().GetHashCode().ToString("x"); AppDomainSetup setup = new AppDomainSetup(); // *** Point at current directory setup.ApplicationBase = AppDomain.CurrentDomain.BaseDirectory; //setup.PrivateBinPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "bin"); this.LocalAppDomain = AppDomain.CreateDomain(lcAppDomain,null,setup); // Need a custom resolver so we can load assembly from non current path AppDomain.CurrentDomain.AssemblyResolve += new ResolveEventHandler(CurrentDomain_AssemblyResolve); return true; } …} Note that the classes must be either [Serializable] (by value) or inherit from MarshalByRefObject in order to be accessible remotely. Here I need to call methods on the remote object so all classes are MarshalByRefObject. The specific problem code is the loading up a new type which points at an assembly that visible both in the current domain and the remote domain and then instantiates a type from it. This is the code in question:Assembly assembly = Assembly.GetExecutingAssembly(); string assemblyPath = Assembly.GetExecutingAssembly().Location; parser = (TypeParser) this.LocalAppDomain.CreateInstanceFrom(assemblyPath, typeof(TypeParser).FullName).Unwrap(); The last line of code is what blows up with the Unable to cast transparent proxy to type <type> error. Without the cast the code actually returns a TransparentProxy instance, but the cast is what blows up. In other words I AM in fact getting a TypeParser instance back but it can't be cast to the TypeParser type that is loaded in the current AppDomain. Finding the Problem To see what's going on I tried using the .NET 4.0 dynamic type on the result and lo and behold it worked with dynamic - the value returned is actually a TypeParser instance: Assembly assembly = Assembly.GetExecutingAssembly(); string assemblyPath = Assembly.GetExecutingAssembly().Location; object objparser = this.LocalAppDomain.CreateInstanceFrom(assemblyPath, typeof(TypeParser).FullName).Unwrap(); // dynamic works dynamic dynParser = objparser; string info = dynParser.GetVersionInfo(); // method call works // casting fails parser = (TypeParser)objparser; So clearly a TypeParser type is coming back, but nevertheless it's not the right one. Hmmm… mysterious.Another couple of tries reveal the problem however:// works dynamic dynParser = objparser; string info = dynParser.GetVersionInfo(); // method call works // c:\wwapps\wwhelp\wwReflection20.dll (Current Execution Folder) string info3 = typeof(TypeParser).Assembly.CodeBase; // c:\program files\vfp9\wwReflection20.dll (my COM client EXE's folder) string info4 = dynParser.GetType().Assembly.CodeBase; // fails parser = (TypeParser)objparser; As you can see the second value is coming from a totally different assembly. Note that this is even though I EXPLICITLY SPECIFIED an assembly path to load the assembly from! Instead .NET decided to load the assembly from the original ApplicationBase folder. Ouch! How I actually tracked this down was a little more tedious: I added a method like this to both the factory and the instance types and then compared notes:public string GetVersionInfo() { return ".NET Version: " + Environment.Version.ToString() + "\r\n" + "wwReflection Assembly: " + typeof(TypeParserFactory).Assembly.CodeBase.Replace("file:///", "").Replace("/", "\\") + "\r\n" + "Assembly Cur Dir: " + Directory.GetCurrentDirectory() + "\r\n" + "ApplicationBase: " + AppDomain.CurrentDomain.SetupInformation.ApplicationBase + "\r\n" + "App Domain: " + AppDomain.CurrentDomain.FriendlyName + "\r\n"; } For the factory I got: .NET Version: 4.0.30319.239wwReflection Assembly: c:\wwapps\wwhelp\bin\wwreflection20.dllAssembly Cur Dir: c:\wwapps\wwhelpApplicationBase: C:\Programs\vfp9\App Domain: wwReflection534cfa1f For the instance type I got: .NET Version: 4.0.30319.239wwReflection Assembly: C:\\Programs\\vfp9\wwreflection20.dllAssembly Cur Dir: c:\\wwapps\\wwhelpApplicationBase: C:\\Programs\\vfp9\App Domain: wwDotNetBridge_56006605 which clearly shows the problem. You can see that both are loading from different appDomains but the each is loading the assembly from a different location. Probably a better solution yet (for ANY kind of assembly loading problem) is to use the .NET Fusion Log Viewer to trace assembly loads.The Fusion viewer will show a load trace for each assembly loaded and where it's looking to find it. Here's what the viewer looks like: The last trace above that I found for the second wwReflection20 load (the one that is wonky) looks like this:*** Assembly Binder Log Entry (1/13/2012 @ 3:06:49 AM) *** The operation was successful. Bind result: hr = 0x0. The operation completed successfully. Assembly manager loaded from: C:\Windows\Microsoft.NET\Framework\V4.0.30319\clr.dll Running under executable c:\programs\vfp9\vfp9.exe --- A detailed error log follows. === Pre-bind state information === LOG: User = Ras\ricks LOG: DisplayName = wwReflection20, Version=4.61.0.0, Culture=neutral, PublicKeyToken=null (Fully-specified) LOG: Appbase = file:///C:/Programs/vfp9/ LOG: Initial PrivatePath = NULL LOG: Dynamic Base = NULL LOG: Cache Base = NULL LOG: AppName = vfp9.exe Calling assembly : (Unknown). === LOG: This bind starts in default load context. LOG: Using application configuration file: C:\Programs\vfp9\vfp9.exe.Config LOG: Using host configuration file: LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework\V4.0.30319\config\machine.config. LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind). LOG: Attempting download of new URL file:///C:/Programs/vfp9/wwReflection20.DLL. LOG: Assembly download was successful. Attempting setup of file: C:\Programs\vfp9\wwReflection20.dll LOG: Entering run-from-source setup phase. LOG: Assembly Name is: wwReflection20, Version=4.61.0.0, Culture=neutral, PublicKeyToken=null LOG: Binding succeeds. Returns assembly from C:\Programs\vfp9\wwReflection20.dll. LOG: Assembly is loaded in default load context. WRN: The same assembly was loaded into multiple contexts of an application domain: WRN: Context: Default | Domain ID: 2 | Assembly Name: wwReflection20, Version=4.61.0.0, Culture=neutral, PublicKeyToken=null WRN: Context: LoadFrom | Domain ID: 2 | Assembly Name: wwReflection20, Version=4.61.0.0, Culture=neutral, PublicKeyToken=null WRN: This might lead to runtime failures. WRN: It is recommended to inspect your application on whether this is intentional or not. WRN: See whitepaper http://go.microsoft.com/fwlink/?LinkId=109270 for more information and common solutions to this issue. Notice that the fusion log clearly shows that the .NET loader makes no attempt to even load the assembly from the path I explicitly specified. Remember your Assembly Locations As mentioned earlier all failures I've seen like this ultimately resulted from different versions of the same type being available in the two AppDomains. At first sight that seems ridiculous - how could the types be different and why would you have multiple assemblies - but there are actually a number of scenarios where it's quite possible to have multiple copies of the same assembly floating around in multiple places. If you're hosting different environments (like hosting the Razor Engine, or ASP.NET Runtime for example) it's common to create a private BIN folder and it's important to make sure that there's no overlap of assemblies. In my case of Html Help Builder the problem started because I'm using COM interop to access the .NET assembly and the above code. COM Interop has very specific requirements on where assemblies can be found and because I was mucking around with the loader code today, I ended up moving assemblies around to a new location for explicit loading. The explicit load works in the main AppDomain, but failed in the remote domain as I showed. The solution here was simple enough: Delete the extraneous assembly which was left around by accident. Not a common problem, but one that when it bites is pretty nasty to figure out because it seems so unlikely that types wouldn't match. I know I've run into this a few times and writing this down hopefully will make me remember in the future rather than poking around again for an hour trying to debug the issue as I did today. Hopefully it'll save some of you some time as well in the future.© Rick Strahl, West Wind Technologies, 2005-2012Posted in .NET  COM   Tweet !function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs"); (function() { var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true; po.src = 'https://apis.google.com/js/plusone.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s); })();

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• Proper way to remove an active / inactive LVM snapshot

  - by user2622247

  I have created a sample ruby script file for removing extra LVM snapshots from the system. For removing LVM snapshot, we are using lvremove command. This command is working fine and we can remove snapshots from the system. # sudo lvremove /dev/ops/dbbackup lvremove -- do you really want to remove "/dev/ops/dbbackup"? [y/n]: y Sometimes while removing snapshots we are getting following errors. Unable to deactivate open rootfs_12.10_20140812_00-cow (252:8) Failed to resume rootfs_12.10_20140812_00. libdevmapper exiting with 7 device(s) still suspended. The system gets frozen. We cannot fire any command or can not perform any action on it. After restarting the system, it is functioning fine. We can perform all the operations even we can delete that snapshot also. I searched about it I found these threads https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=659762 and https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=674682 Solution from this thread is after getting the error but I have to avoid this type of error. I have a question, Is there any better way removing LVM snapshots? So that we can avoid this type of error. If anyone needs more info feel free to ask me.

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• How to list all my packages from command line which can show package name, license, source url, etc?

  - by YumYumYum

  How to get all the installed package list with there license, source url? Such as following only shows name of the package only. $ dpkg --get-selections acpi-support install acpid install adduser install adium-theme-ubuntu install aisleriot install alacarte install For example in Fedora/CentOS (RED HAT LINUX BRANCH), you can see that: $ yum info busybox Loaded plugins: auto-update-debuginfo, langpacks, presto, refresh-packagekit Available Packages Name : busybox Arch : i686 Epoch : 1 Version : 1.18.2 Release : 5.fc15 Size : 615 k Repo : updates Summary : Statically linked binary providing simplified versions of system commands URL : http://www.busybox.net License : GPLv2 Description : Busybox is a single binary which includes versions of a large number : of system commands, including a shell. This package can be very : useful for recovering from certain types of system failures, : particularly those involving broken shared libraries. Follow up: /var/lib/apt/lists$ ls extras.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages extras.ubuntu.com_ubuntu_dists_natty_main_source_Sources extras.ubuntu.com_ubuntu_dists_natty_Release extras.ubuntu.com_ubuntu_dists_natty_Release.gpg lock partial security.ubuntu.com_ubuntu_dists_natty-security_main_binary-amd64_Packages security.ubuntu.com_ubuntu_dists_natty-security_main_source_Sources security.ubuntu.com_ubuntu_dists_natty-security_multiverse_binary-amd64_Packages security.ubuntu.com_ubuntu_dists_natty-security_multiverse_source_Sources security.ubuntu.com_ubuntu_dists_natty-security_Release security.ubuntu.com_ubuntu_dists_natty-security_Release.gpg security.ubuntu.com_ubuntu_dists_natty-security_restricted_binary-amd64_Packages security.ubuntu.com_ubuntu_dists_natty-security_restricted_source_Sources security.ubuntu.com_ubuntu_dists_natty-security_universe_binary-amd64_Packages security.ubuntu.com_ubuntu_dists_natty-security_universe_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty_main_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty_multiverse_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty_multiverse_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty_Release us.archive.ubuntu.com_ubuntu_dists_natty_Release.gpg us.archive.ubuntu.com_ubuntu_dists_natty_restricted_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty_restricted_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty_universe_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty_universe_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty-updates_main_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty-updates_main_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty-updates_multiverse_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty-updates_multiverse_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty-updates_Release us.archive.ubuntu.com_ubuntu_dists_natty-updates_Release.gpg us.archive.ubuntu.com_ubuntu_dists_natty-updates_restricted_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty-updates_restricted_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty-updates_universe_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty-updates_universe_source_Sources

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