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• Listing side projects in a jr. sysadmin resume

  - by Beaming Mel-Bin

  I have many "side-projects" that were not part of my past jobs. Just for example: Configuring web site environment for professors and friends Configuring a Linux box that does the routing, firewall (iptables), backup and file sharing (samba) for my apartment Developing small websites for things as simple as party invites to polling friends. Running my own SMTP server with domain keys, SPF and DNSBL Etc., etc. What would be the appropriate section to mention this? Should I even mention it? Perhaps it's best to just bring it up during the interview. I would especially appreciate the opinion of hiring managers.

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• Apps crashing - Android 4.3 in VirtualBox

  - by Nasenbaer

  Performance and stability problem with Android 4.3 in VM. Tried with x64 and x86 System. VirtualBox V4.3.2 in use. Android could be installed on x86 only. But there it seems to be successfully, using the "Linux 2.2" template on VirtualBox. 1024MB RAM and 2GB Harddisk defined. Some times Android browser is crashing and closing. In all cases stuff like "Skype" and "Plats vs Zombies" does never startup after installing. Crashes directly. "Plats vs Zombies 2" is not able to install. Is there any way of gettings such stuff work?

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• If sudo is broken, what should be used instead?

  - by ivant

  I found the following answer to a FAQ question about a security problem in Oprofile: This "problem" only occurs if you actively, and mistakenly, configure access to OProfile via sudo. OProfile uses shell scripts which have not been audited (nor is it likely to happen) for use through the broken sudo facility (anything that lets you alter root's path arbitrarily counts as horribly broken). Do not use sudo! As I see it, the author of the answer suggests that sudo is broken, so that it should not be used not only with oprofile, but for other purposes as well. Are there better alternatives to sudo in Linux?

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• CodePlex Daily Summary for Wednesday, July 24, 2013

  CodePlex Daily Summary for Wednesday, July 24, 2013Popular ReleasesGeoTransformer: GeoTransformer 4.5: Extensions can now be installed and uninstalled from the application. The extensions update the same way as the application - silently and automatically. Added ability to search for caches by pressing CTRL+F in the table views. (Thanks to JanisU for implementing this request) Added ability to remove edited customizations for multiple caches at once (use SHIFT or CTRL to select multiple lines in the table). A new experimental version for Windows 8 RT (on ARM processor) is also made availa...Kartris E-commerce: Kartris v2.5003: This fixes an issue where search engines appear to identify as IE and so trigger the noIE page if there is not a non-responsive skin specified.VG-Ripper & PG-Ripper: VG-Ripper 2.9.45: changes NEW: Added Support for "ImgBabes.com" links NEW: Added Support for "ImagesIon.com" linksFamily Tree Analyzer: Version 1.5.3.0: Added a new Lost Cousins Report to the Lost Cousins tab. This report displays colour coded boxes for each census showing whether census data has been found and entered into Lost Cousins website for all the UK census years.Magelia WebStore Open-source Ecommerce software: Magelia WebStore 2.4: Magelia WebStore version 2.4 introduces new and improved features: Basket and order calculation have been redesigned with a more modular approach geographic zone algorithms for tax and shipping calculations have been re-developed. The Store service has been split in three services (store, basket, order). Product start and end dates have been added. For variant products a unique code has been introduced for the top (variable) product, product attributes can now be defined at the top ...LINQ to Twitter: LINQ to Twitter v2.1.08: Supports .NET 3.5, .NET 4.0, .NET 4.5, Silverlight 4.0, Windows Phone 7.1, Windows Phone 8, Client Profile, Windows 8, and Windows Azure. 100% Twitter API coverage. Also supports Twitter API v1.1! Also on NuGet.AndroidCopyAndPaste: Capood: Erstes Release für Evaluation --> Changeset 26675AcDown?????: AcDown????? v4.4.3: ??●AcDown??????????、??、??、???????。????，????，?????????????????????????。???????????Acfun、????(Bilibili)、??、??、YouTube、??、???、??????、SF????、????????????。 ●??????AcPlay?????，??????、????????????????。 ● AcDown???????C#??，????.NET Framework 2.0??。?????"Acfun?????"。 ??v4.4.3 ?? ??Bilibili????????????? ???????????? ????32??64? Windows XP/Vista/7/8 ???? 32??64? ???Linux ????(1)????????Windows XP???，????????.NET Framework 2.0???(x86)，?????"?????????"??? (2)???????????Linux???，????????Mono?? ??2.10?...Magick.NET: Magick.NET 6.8.6.601: Magick.NET linked with ImageMagick 6.8.6.6. These zip files are also available as a NuGet package: https://nuget.org/profiles/dlemstra/C# Intellisense for Notepad++: Initial release: Members auto-complete Integration with native Notepad++ Auto-Completion Auto "open bracket" for methods Right-arrow to accept suggestions51Degrees.mobi - Mobile Device Detection and Redirection: 2.1.19.4: One Click Install from NuGet This release introduces the 51Degrees.mobi IIS Vary Header Fix. When Compression and Caching is used in IIS, the Vary header is overwritten, making intelligent caching with dynamic content impossible. Find out more about installing the Vary Header fix. Changes to Version 2.1.19.4Handlers now have a ‘Count’ property. This is an integer value that shows how many devices in the dataset that use that handler. Provider.cs -> GetDeviceInfoByID to address a problem w...SalarDbCodeGenerator: SalarDbCodeGenerator v2.1.2013.0719: Version 2.1.2013.0719 2013/7/19 Pattern Changes: * DapperContext pattern is added. * All patterns are updated to work with one-to-one relations. Changes: * One-to-one relation is supported. * Minor bug fixes.PantheR's GraphX for .NET: GraphX for .NET v0.9.5 BETA: BETA 0.9.5 + Added GraphArea.SaveAsImage() method that supports different image formats + Added GraphArea.UseNativeObjectArrange property. True by default. If set to False it will use different coordinates handling that helps to soften vertex drag issues to the top and left area sides. + Added GraphArea.Translation property. It is needed to get correct translation coordinates when determining object position from the mouse coordinates. + Added new VertexControl.PositionChanged event along wit....NET Code Migrator for Dynamics CRM: v1.0.12: Combined the main macros, generated macros from a sample organization, and the CreateVisualStudioMacros utility into a single package.DARF: Dynamic Application Runtime Framework: DARF.Demo: This demo is DARF.IDE application plus a sample file (calculator.xda) which describes a very simple calculator. All you need to do is to unzip the package, run DARF.IDE.exe and load calculator.xda then press F5 or select 'Execute' from 'Code' menu to see the execution of the application. The calculator.xda file is fully commented so you can inspect the file and get a feeling of the way DARF works. This sample application makes use of some pre-written blocks (namely button, textbox and ...) ...Player Framework by Microsoft: Player Framework for Windows and WP (v1.3 beta 2): Includes all changes in v1.3 beta 1 Additional support for Windows 8.1 Preview New API (JS): addTextTrack New API (JS): msKeys New API (JS): msPlayToPreferredSourceUri New API (JS): msSetMediaKeys New API (JS): onmsneedkey New API (Xaml): SetMediaStreamSource method New API (Xaml): Stretch property New API (Xaml): StretchChanged event New API (Xaml): AreTransportControlsEnabled property New API (Xaml): IsFullWindow property New API (Xaml): PlayToPreferredSourceUri proper...CodeGen Code Generator: CodeGen 4.2.11: Changes in this release include: Added several new alternate forms of the <FIELD_SELWND> token to provide template developers better control over the case of field selection window names. Also added a new token <FIELD_SELWND_ORIGINAL> to preserve the case of selection window names in the same way that <FIELD_SELWND> used to. Enhanced UI Toolkit window script selection window processing (-ws) so that selection window names are no longer case sensitive (they aren't in UI Toolkit). Also the -w...Outlook 2013 Add-In: Multiple Calendars: As per popular request, this new version includes: - Support for multiple calendars. This can be enabled in the configuration by choosing which ones to show/hide appointments from. In some cases (public folders) it may time out and crash, and so far it only supports "My Calendars", so not shared ones yet. Also they're currently shown in the same font/color so there are no confusions with color categories, but please drop me a line on any suggestions you'd like to see implemented. - Added fri...Circuit Diagram: Circuit Diagram 2.0 Beta 2: New in this release: Show grid in editor Cut/copy/paste support Bug fixesCommunity TFS Build Extensions: July 2013: The July 2013 release contains VS2010 Activities(target .NET 4.0) VS2012 Activities (target .NET 4.5) VS2013 Activities (target .NET 4.5.1) Community TFS Build Manager VS2012 The Community TFS Build Manager can also be found in the Visual Studio Gallery here where updates will first become available. A version supporting VS2010 is also available in the Gallery here.New Projects.NET Weaver: This project is a base project to weave code in existing assemblies.AAP WB: aam aadmi party west bengal facebook appajax call wcf: it's about how to call wcf use ajax in asp.netBMI: Test ProjectCarWebOOB: Website for learning subject about object oriented databaseCloud Ninja Polyglot Persistence: The Cloud Ninja Polyglot Persistence project is a sample that demonstrates the use of multiple and different types of repositories to persist application data.ConsoleGamePacMan: C# console Implementation of popular game Pac-MancrawlerTeam: crawlerDB-Team-Project-Mimosa: Telerik Database Project Team MimosaDemoJS: Nonedeployspsolution: powershell snapin that mimics publishing behaviour of wsp sharepoint solution in visual studio.Du Lich Thanh Nien: Du L?ch Thanh NiênElectronic Commerce Resource Planning: Electronic Commerce Resource PlanningGnuPGNotepad: A notepad based GUI for GnuPG (PGP) which allows you to Encrypt/Decrypt on the fly, or save & load encrypted to disk without using temporary clear text files.modbusclasslabrarycsharp: Summary MvcAppTestSolution: MVCNext Inventory: NextInventory is an open source application. Native in the ASP.Net MVC4.Org Chart in SharePoint 2010 using Google API.: Organization Chart webpart for SharePoint 2010 using Google API and SharePoint list as the data source. Good for small organizations with no AD hierarchy.Parsec SWTOR Parser: .NET Combat Log Parser Windows Application for SWTOR (Star Wars the Old Republic)Portable Imaging Library for .NET: Portable Imaging Library for asynchronous loading, modifying and saving images from any thread (out of UI thread for WPF/WP8).Powershell MetadataExplorer: Windows Powershell SnapIn that includes the Get-ItemMetadata cmdlet. The Get-ItemMetadata cmdlet retrieves extended metadata associated with file system items.Pseudogenerator: Pseudogenerator es un generador de numeros pseudoaleatorios compatible con una variedad de metodos de generacion. Muy util en el area de simulaciones digitales.PushIt!: Very interesting arcade game.S3Console: This project is an initiative to create shell like interactive console application to administer amazon s3 using c#.net.Sample VariableSizedWrapGrid Windows Phone: This example gives an idea of ​​how to make the size of a list item dynamically. In this case a user control that has been created by VariableSizedWrapGrid kinnSchool CMS: School CMS is a school content management system, written in PHP and run from a single MySQL Database. Anyone can use school cms.Sys: This is library of collection of most used .NET components implemented in C#VariousPublicExperiments: This project contains various experiments, publish for educational purposes. These projects may later on be branched to their own repositories.VBDownloader: *VBDownloader* _The open source solution for downloading_wechat demo: wechat demoZing State Explorer: Zing is a state explorer for models of concurrent and asynchronous programs.

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• Windows 8.1 clean install keeps failing with Oxc0000005 error

  - by joaocandre

  I'm encountering the error Oxc0000005 when making a clean install of Windows 8.1 x64 on a Samsung 840 SSD. I don't know where the error is coming from, I'v already tested several solutions/workarounds I found online and nothing seems to work. The SSD is healthy, I can install Linux (Ubuntu) on it, but apparently the Windows install reports the drive as "locked" when trying to "refresh" the install. According to diskpart, however, the SSD is not in read-only mode, so I don't understand what is going on. I had Windows 8 installed before formatting the drive.

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• Downloading Database dump from server

  - by Ctroy

  I have a mysql database on a server that is around 4 gb in size and I couldn't get it downloaded to my local machine. I tried getting a dump on the server, but the dump is not getting created probably because of the big size. Is there any way, I could get the dump downloaded on my local machine? I can syncing using Sqlyog but I know it will take ages. Is there a way, I can get a dump created on the server? By the way, my server is a linux server and its running php/mysql.

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• Browser-based GUI for a python application

  - by ack__

  I want to create a web/browser-based GUI for a command-line python application. The goal is to make use of HTML/JS technologies to create this GUI. As the application itself, it needs to run on Linux and Windows, and the interface will be accessible only from localhost (not exposed to internet). The GUI will contain 5 to 10 pages. I don't want a traditional desktop GUI that includes HTML/JS, but just a bunch of html files and some kind of controller between those and the application. I also want to make use of asynchronous programming (ajax like) so I can load and print data in the GUI without refreshing the whole page. I'd probably use jQuery for that and a couple other things. How would you recommend to design this? Performance is not the key here, I'm rather looking at reliability, portability and simplicity. I'm thinking of using a lightweight python HTTP server / framework (like CherryPy) and maybe later a Python templating system (at the begining it will just be a couple pages). EDIT: I'm looking for ideas/recommendations how to build this, not for alternatives to browser/web-based GUI.

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• ubuntu one syncronizing problems

  - by user72249

  I am a user of Ubuntu and Ubuntu One. First: I had a serious problem with ubuntu one. I have a windows and several Ubuntu machine and they all sync one account. My first problem is that i can't really delete files. Whenever I delete something Ubu One resync it, so it appears again in my folder. Furthermore, when i move something to another dir it synconize the new location and resync the old one, so i got doubled my files. I can't reorganize my files. So i tried to delete the duplicated files through the web dash, but i cant reorder and select multiple files by extension. For example i wanted to move all PDF to another location... Second: I can't configure in the ubuntu one app the loacation of the main One folder. For example i want my One folder to be on another partition than my HOME folder. It is a main problem in linux and windows also. I tried to move that folder in windows with the hardlink method. So i uninstalled the U1, then i created a folder link to another drive, than installed the U1. THEN i lost all my files in my U1. Lucky thing that i have a backup, but i thought U1 is a stable solution for me, and i planned to extend my space, but these bugs are major problems! It's worth to pay for it if it's working perfectly. I think it's more important than releasing a new version in every month.

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• SDL & Windows 8 Metro WinRT

  - by Adrian

  I am just beginning to dip my tow into game programming and have been reading up on SDL, SFML, OpenGL, XNA, MonoGame and of course DirectX. (Needless to say there are a lot of choices out there) As much as I like SFMLs syntax I have chosen to read up and start with SDL as it is pretty ubiquitous and available on every platform (Windows, Linux, Mac) and also available on portable devices (Android, iOS) with the current exception of WinPhone 7 After that pre-amble here is my question. I notice that the docs say that for the windows platform the SDL API calls through to DirectX for higher perf. ( http://www.libsdl.org/intro.en/whatplatforms.html ) Microsoft have said that for Metro Game Apps you can only use DirectX (which means no XNA, no OpenGL, no SFML, etc, etc) My question is: If SDL just wraps DirectX calls will I (we) be able to use SDL to bring games to the new Metro WinRT environment and Windows 8 marketplace? This would be great if possible. Additionally as WinPhone 8 is supposedly built on Win8 then this could mean SDL would be available on the win phone in the future too. Thanks for your time in responding to this question and I look forward to hearing your response. EDIT: Based on DeadMG's answer I have installed Visual Studio 11 (beta) in Windows 8 Consumer Preview (CP) and went file-New to check project types. The project types: "Blank Application", "Direct2D Application" and "Direct3D Application" look of interest. I have selected "Direct2D App" but SDL generates its own window when you call: SDL_INIT Is it possible to link/setup the SDL window to point to the Direct2D surface in the this project?

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• does vmware server needs bare metal or can be installed on an existing OS

  - by Registered User

  I am new to virtual stuff on Vmware sort of environment.I am basically testing Vmware and its various things for our needs.I have a linux 64 bit laptop.I want to know 1) The Vmware server can it be installed in this existing OS or I need to have baremetal installation for this? 2) What is the advantage of using Vmware Server on Vmware workstation ? 3) What is the use of ESX server of vmware? I have seen some alternatives like Xen which one is better Xen or Vmware might be a debatable issue but my questions for Xen are also same I checked Citrix website. 1) I see similar products for Xen What is the advantage of using Xen Server on Xen desktop ?

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• Solaris 32bit / 64bit confusion

  - by goldenmean

  I have a Solaris on a AMD- uname -a gives OS Solaris 10 x86_64 (SunOS goldtpus34 5.10 Generic_144489-11 I wanted to find whether it has a 32bit or 64 bit kernel so I did /usr/bin/isainfo -k it says amd64 but when i do file /sbin/init it says ELF 32-bit LSB executable 80386 Version 1, dynamically linked, stripped Also if I do file it says ELF 64-bit LSB executable AMD64 Version 1 [SSE2 SSE FXSR FPU], dynamically linked, not stripped So is it possible to have a Kernel working in 64bit mode but System utils/process spawner(init) in 32bit mode. I am confused. How to accurately get if the OS Kernel is in 64/32 bit mode on Solaris and on Linux?

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• Problem running mercurial against symlinked .hgrc file under Cygwin/Windows 7

  - by emptyset

  This is not a question about handling symlinks in the mercurial repository. I have this setup at work where I keep my dotfiles in a separate directory (.configuration) that I can use to synch my dotfiles between cygwin/windows and linux, then use symlinks instead of dotfiles in the home directory. So, I have the symlink ~/.hgrc -> .configuration/.hgrc in my home directory. After setting this up, mercurial complains thus: $ hg st hg: config error at C:\Users\aaf\.hgrc:1: '!<symlink>ÿþ.configuration/.hgrc' Removing the symlink and replacing it with the actual file works, so the contents of the .hgrc file are not at fault. I can live with that, I suppose, but I'd like to know why this happens. All other tools I've configured the same way work great with symlinked dotfiles.

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• links for 2010-06-09

  - by Bob Rhubart

  Enterprise Architecture: From Incite comes Insight...: Why aren't we seeing more adoption of open source in large enterprises? (tags: ping.fm entarch opensource linux) Forms Modernization, Part 1: Motivation for change iAdvise blog (tags: ping.fm oracleace apex middleware oracle) OmniGraffle for iPad Now Supports VGA Output (Enterprise Architecture at Oracle) (tags: ping.fm entarch ipad oracle) SysAdmin access in Oracle VDI - Jaap's VDI Blog Space (tags: ping.fm virtualization sunray vdi) Securing Enterprise Data in AWS Oracle PeopleSoft Enterprise Consulting, Support and Training (tags: ping.fm cloud peoplesoft entarch) Enterprise Software Development with Java: ODTUG Kaleidoscope 2010 - preparations and sessions (tags: ping.fm oracle java oracleace) @toddbiske: Enterprise Architecture Must Assist Delivery "In most IT organizations, things get delivered through projects, and enterprise architects don’t typically play the role of project architect. At best, there is an indirect association with delivery." -- Todd Biske (tags: entarch enterprisearchitecture) @pevansgreenwood: The Rules of Enterprise IT "The rules of this game need to change if enterprise IT — as we know it — is to remain relevant in the future." -- Peter Evans Greenwood (tags: entarch enterprisearchitecture) @bex: Oracle UCM 11g Now Released! "Good news!" says Oracle ACE Director Bex Huff. "The 11g version of Oracle UCM is finally available! This version is a bit of a re-write to run on top of the WebLogic application server. Oracle has been talking about this release for some time, so I'm glad to see it finally available." (tags: oracle enteprise2.0 e20 oracleace) Marc Kelderman: SOA 11g Cloning Cloning an Oracle SOA Suite 11g environment is rather simple. Marc Kelderman shows you how. (tags: soa oracle)

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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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• HP-UX - custom rsync path

  - by stack_zen

  Hi. There are a range of HP-UX 11.11 hosts I'm unable to install rsync (I'm limited to a non-privileged user) I've extracted both rsync binary and libpopt.sl, libiconv.sl, libintl.sl from the depots into one of that user's directories: /home/zenith/rsync/ Problem is, I can't get my RH Linux box communicating with it: rsync -e --rsync-path=/home/zenith/rsync/rsync --compress=9 -pgtov --filter=+rs_/'*.log' --exclude='*' [email protected]:/home/zenith/service/logs/ /u01/rsync_depot/service/192.102.14.18/ /usr/lib/dld.sl: Can't find path for shared library: libintl.sl /usr/lib/dld.sl: No such file or directory sh: 1644 Abort(coredump) I've added to the remote host .profile export SHLIB_PATH=/usr/lib:/home/zenith/rsync export PATH=$PATH:/home/zenith/rsync but still, no libintl.sl is found. How can I initialize the correct env variable/ get this to work?

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• Samba setup to request password reset on first time login

  - by crazybyte

  Is it possible to setup Samba to ask for password reset when the user first logs in without the need to setup a domain controller? Would this work properly with Windows clients or with clients using Linux with file managers like Krusader or Nautilus? Could somebody give me a few pointers how to implement this if is possible? I'm pretty new to Samba and I use it as a file server and I would like to have such a feature on it, but I'm not sure if it's possible. Thanks!

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• Booting from USB on Mac Air (using setup_mac_usb_boot.sh)

  - by Mike O

  So, I've been working on this for hours and it's getting a little tiring. As some of you may know, installing Ubuntu on Macs is frequently an adventure, and I'm experiencing that right now. The part I'm hung up on at the moment is making a bootable USB. I would just use a CD, but my laptop is a MacBook Air (which doesn't have a CD drive), and I don't own an external CD drive. I initially attempted to use the command line method supplied by the Ubuntu documentation here: https://help.ubuntu.com/community/How%20to%20install%20Ubuntu%20on%20MacBook%20using%20USB%20Stick However, that wasn't even recognized by rEFIt even when I made a number of different modifications to the process, so I quickly decided to look elsewhere. I came across this guide: https://help.ubuntu.com/community/MacBookAir4-2#Basic_Installation_Instructions This ended up working to a large extent. If I choose the supplied grub from rEFIt, it will bring me to the Ubuntu grub, asking me to try it, install, or check the disk. And if I choose to boot Linux directly from rEFIt, it will bring me to the language selection menu. But when I make my selection from either of these menus it pauses for about ten seconds and then gives me a command line error message. It begins with kernel panic - not syncing timer doesn't work through interrupt, and then shows about eight file names. Does anyone here have any ideas as to what can be causing this? I also tried the script with both Ubuntu 11.10 (the current version when the script was written) and 12.04.

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• How to make HOME or END keys work in mc running on OS X (ssh)

  - by Sorin Sbarnea

  I installed MacPorts on OS X 10.5 and I found out that when I connect to the computer using SSH and use mc - Midnight Commander - the HOME and END keys do not work. I have to mention that I'm using putty and I am able to use the keyboard very well on Linux machines like Fedora, Ubuntu,... Here is putty keyboard configuration (a configuration I found to be optimal over time): Backspace key: 127 Home/End keys: Standard Function keys: Xterm R6 Cursor keys: Normal Numpad: normal Terminal type string: xterm-color I'm looking for a command line solution/script that does these changes, this make much easier to create a prepare OS script for configuring a new OS.

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• Streaming video from a point-and-shoot camera that doesn't support it

  - by egasimus

  I have a Canon IXUS 120is (PowerShot SD940) - a nice digital camera that's a couple of years old. It does record fairly decent video, but, alas, can't function as a webcam - and I need to stream video over the Web. I've installed CHDK on it, and while it's quite flexible, doesn't seem to provide a solution to my problem. I suppose that the video footage is written to the SD card in real time - is there a hack that allows me to monitor the file as it is written, and broadcast its contents over the Internet? Perhaps connecting its the camera's slot to my laptop's card reader via SDIO? I'm running Windows, but I'm roughly familiar with Linux; another question has suggested a file-to-/dev/video driver - do such tools exist?

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• Will a database server perform better running on 2 CPUs with 16 cores or 4 CPUs with 8 cores?

  - by AlexOdin

  What I have: an online financial application (ASP.NET, C#) at peak we have 5K+ simultaneous users backend is running on Oracle 11g (active server + stand-by using Active Data Guard). At peak - 4K-5K database sessions Oracle is installed on Linux 5.8 (Oracle's unbreakable version) the database size: 7TB disk storage: NetApp (connected with 10GB network) I would like to replace old servers (IT will purchase HP blades BL685C). Servers will have 256GB of RAM. I need your help to figure out what to do with CPUs and cores. Options: 2 CPUs (2.3 GHz) with 16 cores each 4 CPUs (3.0 GHz) with 8 cores each Question: Which one should I pick? P.S. Next year, we will migrate from Oracle to SQL server. I hope, whatever option you recommend will work for both platforms

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• 4096 and 8192 block size read slower than write? by using lsi 9361-8i RAID10

  - by Min Hong Tan

  is it possible that 1024 and 2048 block size read speed is faster than 4096 and 8192 block? I'm using lsi 9361-8i with RAID 10 , with 8 x Kingston E50 250G. result: 1024 = Write: 2,251 MB/s Read: 2,625 MB/s 2048 = Write: 2,141 MB/s Read: 3,672 MB/s 4096 = Write: 2,147 MB/s Read: 231 MB/s 8192 = Write: 2,147 MB/s Read: 442 MB/s is there any possible? and below is the reading when i simply want to test out the RAID 10 function and disaster test by taking out one of the 250G harddisk. the result is different like below: Result: 1024 = Write: 825 MB/s Read: 1,139 MB/s 2048 = Write: 797 MB/s Read: 1,312 MB/s 4096 = Write: 911 MB/s Read: 1,342 MB/s 8192 = Write: 786 MB/s Read: 1,204 MB/s and the result for 4096 and 8192block are different? can any one explain to me is it normal? or I need to do some tuning/configuration? will it affect my host linux performance?

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• How to run a shell script before restarting a service in Monit in case of a crash

  - by Supratik

  I am using Monit 5.3.2 in my Linux box. I am monitoring some services using Monit. I want to run a script before the running the restart command. I have used the below conditions for the same. if does not exist for 2 times within 3 cycles then exec "/bin/bash -c 'touch /tmp/somefile'" as uid someuser and gid someuser if does not exist for 10 cycles then restart Unfortunately only the restart action is getting executed. Can anyone please help me to identify why the first rule is not executed ? Is there are any other way to solve the problem ?

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• Remote Access Problems with DRAC 5 on Dell PowerEdge 1950

  - by Darin Peterson

  Today I received my first Dell PowerEdge 1950 server with a DRAC 5 card. On my local network I have static configurations on my Linux systems using this for instance: iface eth0 inet static address 192.168.1.210 netmask 255.255.255.0 network 192.168.1.0 broadcast 192.168.1.255 gateway 192.168.1.1 dns-nameservers 8.8.8.8 8.8.4.4 For the DRAC card, I configured the LAN like this: address 192.168.1.215 netmask 255.255.255.0 gateway 192.168.1.1 For the advanced LAN settings I used dns-nameservers 8.8.8.8 8.8.4.4 I've tried many different IP addresses, but cannot communicate with the card. Is there anyone who might know if I have configuration issues, or maybe if the card might be bad?

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• Windows 2003 DNS updates from ISC DHCP server

  - by wolfgangsz

  We have a very mixed network, with most clients being Debian Lenny, the rest Windows XP/Vista/7. The network itself is split into two segments (for technical reasons) called "corporate" and "engineering". On the "corporate" side all clients get their IP addresses from a Windows DHCP server and the dynamic updates into the Windows DNS work just fine. On the "engineering" side, clients get their IP addresses from a linux machine running the standard ISC DHCP server. Although this server is configured to do dynamic DNS updates, they actually don't work. Anybody got any advice on how to fix this? Please note: dynamic updates from the clients directly into the DNS would work, but are not an option for us. So this is strictly on how make this work from an ISC DHCP server to a Windows DNS server.

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• Overlapping Samba Shares

  - by Toaomalkster

  Is it OK to have samba shares that overlap, like the following: [whole-drive] path = /mnt/myusbdrive ... [music] path = /mnt/myusbdrive/music ... [movies] path = /mnt/myusbdrive/movies ... I have a mounted external HDD with music and movies, plus a whole bunch of other stuff like backups. I want to expose the music and movies directories as separate samba shares (probably with guest access), so that they're uncluttered with all the other stuff; and I want to expose the entire drive as a separate samba share (with higher permissions) for doing more administrative things across the drive. Does Samba behave well with this configuration? I'm wondering if I'd end up with problems like phantom writes if the same file is accessed at the same time across two different shares. Details: OS: Debian GNU/Linux wheezy/sid on Raspberry Pi HDD: NTFS, mounted as ntfs-3g. Samba: version 3.6.6

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