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• Felix Baumgartner Skydives from the Edge of Space [Video]

  - by Jason Fitzpatrick

  Yesterday Felix Baumgartner broke the record for highest skydive by leaping out of a capsule 128,100 feet above the Earth. Check out his jump in the following videos. After flying to an altitude of 39,045 meters (128,100 feet) in a helium-filled balloon, Felix Baumgartner completed a record breaking jump for the ages from the edge of space, exactly 65 years after Chuck Yeager first broke the sound barrier flying in an experimental rocket-powered airplane. Felix reached a maximum of speed of 1,342.8 km/h (833mph) through the near vacuum of the stratosphere before being slowed by the atmosphere later during his 4:20 minute long freefall. The 43-year-old Austrian skydiving expert also broke two other world records (highest freefall, highest manned balloon flight), leaving the one for the longest freefall to project mentor Col. Joe Kittinger. The above video is a 2 minute highlight reel of the ascent and jump; check out the full 15 minute descent video here. For an in-depth look at the technology used to keep Baumgartner safe during his record setting journey, hit up the link below. The Tech Behind Felix Baumgartner’s Stratospheric Skydive [ExtremeTech] HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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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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• 50 Years of LEDs: An Interview with Inventor Nick Holonyak [Video]

  - by Jason Fitzpatrick

  The man who powered on the first LED half a century ago is still around to talk about it; read on to watch an interview with LED inventor Nick Holonyak. The most fascinating thing about Holonyak’s journey to the invention of the LED was that he started off trying to build a laser and ended up inventing a super efficient light source: Holonyak got his PhD in 1954. In 1957, after a year at Bell Labs and a two year stint in the Army, he joined GE’s research lab in Syracuse, New York. GE was already exploring semiconductor applications and building the forerunners of modern diodes called thyristors and rectifiers. At a GE lab in Schenectady, the scientist Robert Hall was trying to build the first diode laser. Hall, Holonyak and others noticed that semiconductors emit radiation, including visible light, when electricity flows through them. Holonyak and Hall were trying to “turn them on,” and channel, focus and multiply the light. Hall was the first to succeed. He built the world’s first semiconductor laser. Without it, there would be no CD and DVD players today. “Nobody knew how to turn the semiconductor into the laser,” Holonyak says. “We arrived at the answer before anyone else.” But Hall’s laser emitted only invisible, infrared light. Holonyak spent more time in his lab, testing, cutting and polishing his hand-made semiconducting alloys. In the fall of 1962, he got first light. “People thought that alloys were rough and turgid and lumpy,” he says. “We knew damn well what happened and that we had a very powerful way of converting electrical current directly into light. We had the ultimate lamp.” How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems 7 Ways To Free Up Hard Disk Space On Windows

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• What You Said: Your Favorite Co-Op Games

  - by Jason Fitzpatrick

  While competitive gaming is fun, reader response to this week’s Ask the Readers question shows that good old beat-the-bad-guys-together cooperative gaming is as popular as ever. Read on to see what your fellow readers are playing. By far the most popular nomination for favorite co-op game was an outright classic: 1987′s smash hit Contra. Originally released as an arcade game, it was ported to the Nintendo Entertainment System in 1988. Contra was groundbreaking for the time as it featured simultaneous play for the two players–you and a friend could play side by side without waiting to take your turn. Clearly that kind of side-by-side play resonated with readers. RJ writes: When my fiance and I played and beat Contra on the NES. I knew she was the one and we got married and its been great. That’s no small feat; Contra was voted “Toughest Game to Beat” by IGN.com readers. Even readers who had moved on to newer games still recall Contra fondly; Jami writes: The Gears of War trilogy on 360 is my favorite co-op currently, although I do have fond memories of bonding with my brother playing some co-op Contra on the NES. HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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• Don't Miss What Procurement Experts Are Talking About. Join the Webcasts starting next week!

  - by LuciaC

  The Procurement team have three Advisor Webcasts scheduled in December with information about new features, tips and tricks and troubleshooting guidance. New Features and enhancements Incorporated in the Procurement Rollup Patch 14254641:R12.PRC_PF.B December 4, 2012 at 14:00 London / 16:00 Egypt / 06:00 am Pacific / 7:00 am Mountain / 9:00 am EasternThis session is recommended for technical and functional users who need to know about the new features and enhancements incorporated in the Procurement Rollup Patch. Topics will include: GCPA Enable All Sites E-Mail PO - .LANGUAGE Read Only BWC Validate Document GBPA OSP Items GL Date Defaulting Cancel Refactoring Action History Cleanup Click here to register for this event. Approval Management Engine (AME) New Features, Setup and Use for Purchase Orders December 6, 2012 at 14:00 London / 16:00 Egypt / 06:00 am Pacific / 7:00 am Mountain / 9:00 am EasternThis is recommended for Functional Users and Application Technical Users who work in the Procurement Module including Purchasing and iProcurement and would like to know more about how to set up and use the Approval Management Engine (AME) for purchase orders.Topics will include: Scope and limitations of AME functionality for purchase orders Setup and use of AME for purchase orders PO Review and PO E-Sign new features Demonstration: Example of scenarios using the new features Click here to register for this event. How to Solve Approval Errors in Procurement December 18, 2012 at 4:00 pm Egypt / 2:00 pm London / 6:00 am Pacific / 7:00 am Mountain / 9:00 am EasternThis session is recommended for technical and functional users who need to know about how to diagnose and troubleshoot common Approval Errors.Topics will include: Basic mandatory setups for approvals of PO documents Differences between Purchase Order Approval and Requisition Approval Process. Troubleshooting of Approval Errors. Basic Setup of AME which can be used in Requisition Approval Process. Click here to register for this event. You can see a listing of all scheduled and archived webcasts from Doc ID 740966.1.  Select the product you are interested in (such as E-Business Suite Procurement) and this will take you to the webcast listing for the product.

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• hdmi AC-3 audio broke after upgrading from 11.10 to 12.04.3

  - by Jim LastName

  I just updated my MythBuntu 11.10 to 12.04.3. Now, when I try to play 5.1 content (ripped DVD), my TV (and receiver) plays a "chattering" sound. I check my receiver and the digital dolby light isn't on--it's in PCM mode. So, either the audio is getting sent as AC-3, but the TV and receiver think it's PCM or the AC-3 audio got converted to multichannel PCM and they can't handle it. My setup: hdmi cable from htpc to TV. TV has an s/pdif output to my receiver. I know TV sends AC-3 audio out correctly because I see digital dolby light come on when I view a digital TV channel and PCM come on when I view an old analog channel. I can connect s/pdif from my htpc to my receiver and the digital dolby light comes on and it can decode the audio just fine. It's just not sending it right over hdmi. Now for some hints to the issue: I noticed in MythTV audio setup when I select alsa:hdmi.... the description only lists 2 channel PCM audio capability. speaker-test -Dhdmi:PCH -c6 errors about a bad channel count (only -c2 works). Finally, I tried vlc and it does the same chattering sound. These all make me think this isn't a MythTV issue, it's something lower than that. I think the best way to troubleshoot this is to start at the drivers and check each layer, one at a time all the way to alsa. I just don't know what the layers are and how to do it. So, I need to find some audio troubleshooting guide to assist me. Or, if one doesn't exist, I'd appreciate some steps. Thanks much, Jim

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• Announcement: DTrace for Oracle Linux General Availability

  - by Zeynep Koch

  Today we are announcing the general availability of DTrace for Oracle Linux. It is available to download from ULN for Oracle Linux Support customers.  DTrace is a comprehensive dynamic tracing framework that was initially developed for the Oracle Solaris operating system, and is now available to Oracle Linux customers. DTrace is designed to give operational insights that allow users to tune and troubleshoot the operating system. DTrace provides Oracle Linux developers with a tool to analyze performance, and increase observability into the systems they own to see how they work. DTrace enables higher quality applications development, reduced downtime, lower cost, and greater utilization of existing resources. Key benefits and features of DTrace on Oracle Linux include: • Designed to work on finding performance bottlenecks • Dynamically enables the kernel with a number of probe points, improving ability to service software • Enables maximum resource utilization and application performance • Fast and easy to use, even on complex systems with multiple layers of software If you already have Oracle Linux support, you can download DTrace from ULN channel. We have a dedicated Forum for DTrace on Oracle Linux, to discuss your experience and questions.

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• Keyboard / keymap problems with Xubuntu 12.04 + NX nomachine

  - by bajafresh4life

  I'm running NX client on my Macbook Pro to connect to a Xubuntu 12.04 desktop at work. I have configured NX client to start up a console upon connection. I am able to connect to my remote linux machine and I get a simple xterm console. However, when I run xfce4-session, half my keys no longer work. For example, when I launch a terminal, I typing a, s, or d works, but if type w, e, r, or t, the cursor just blinks. If I ctrl-C out of xfce4-session, all the keys work fine in my xterm console. If I run xev, this is the output for when I hit a key that works: KeyRelease event, serial 34, synthetic NO, window 0x2e00001, root 0x373, subw 0x0, time 170160781, (-45,-21), root:(824,429), state 0x4, keycode 16 (keysym 0x63, c), same_screen YES, XLookupString gives 1 bytes: (03) "" XFilterEvent returns: False KeyRelease event, serial 34, synthetic NO, window 0x2e00001, root 0x373, subw 0x0, time 170160781, (-45,-21), root:(824,429), state 0x4, keycode 67 (keysym 0xffe3, Control_L), same_screen YES, XKeysymToKeycode returns keycode: 63 XLookupString gives 0 bytes: XFilterEvent returns: False but when I hit a key that doesn't work: FocusOut event, serial 34, synthetic NO, window 0x2e00001, mode NotifyGrab, detail NotifyAncestor FocusIn event, serial 34, synthetic NO, window 0x2e00001, mode NotifyUngrab, detail NotifyAncestor KeymapNotify event, serial 34, synthetic NO, window 0x0, keys: 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Any ideas on what I can do to troubleshoot this issue? Googling around offered a few suggestions (like playing with xmodmap) but nothing seemed to work. Also, one thing worth mentioning is that I do not have any keyboard issues when remoting into a different Ubuntu 10 box via NX.

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• After update, flash plugin playing video too fast or too slow

  - by John H

  Last night I did an update and reboot. After that, I couldn't reliably play any flash videos. They would either go too fast or stutter (as if they were buffering every 2 seconds). This occurs in both Firefox and Chrome, however I'll troubleshoot in Chrome because it's easier to enable/disable plugins at will. With PPAPI enabled (and npapi disabled), flash videos play at 1.5x speeds and audio is scrambled. With NPAPI enabled (and ppapi disabled), flash videos stutter and skip, despite showing a decent buffer. From one old thread, I went into pavucontrol and tried disabling the high def audio controller. I also tried disabling Totem plugin to no affect. Version other details: Linux freshdesk 3.2.0-29-generic #46-Ubuntu SMP Fri Jul 27 17:03:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux $ cat /etc/*-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04.1 LTS" Shockwave Flash 11.3 r31 /opt/google/chrome/PepperFlash/libpepflashplayer.so 11.3.31.331 PPAPI (out-of-process) Shockwave Flash Version: 11.2 r202 Location: /usr/lib/adobe-flashplugin/libflashplayer.so Type: NPAP 01:00.0 VGA compatible controller: NVIDIA Corporation GT218 [GeForce 8400 GS] (rev a2) 01:00.1 Audio device: NVIDIA Corporation High Definition Audio Controller (rev a1)

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• Ubuntu 12.04 LTS loops the login screen unless you login as Guest

  - by Mário Silva

  I am running a VMWare Player with a Ubuntu 12.04 LTS Precise Pangloin as Guest on my Windows 7. Sometimes I get the shutdown blue screen error in Windows, this time it happened when I was running the Player. When I restarted everything Ubuntu gave the not so unfamiliar in this forum Login Loop in adminstrator login. I login and there's this black screen where I can only read: "piix4...smbus:0.0.0.07.3 Host Smbus controller not enabled" . When I go to the Prompt in root mode it fails to update and only upgraded, specially some plugins ( I think graphic plugins) which also appear in one an error message after quitting the prompt, but they´are successfully installed. They are not the error message. After that I have been working with the Fail/safe Mode recovery panel. When I try to update via Root I get errors like this: W:failed to fetch http://extras.ubuntu.com/ubuntu/dists/precise/release.gpg could not resolve 'extras/ubuntu.com There are 8 more like this referring to areas like: -archive/canonical.com -ppa.Launchpad.net -security.Ubuntu.com -Us.archive.ubuntu.com - release.gpg precise-updates/release.gpg precise_backport/release.gpg Final Message: some index files failed to download.....they have been ignored or old files are used. The black screens most of the time pass by too fast for me to pick up any information. But in general I think I have done everything I was able to in the recovery panel including updating network and graphic packages and recovering filesystem packages and the basic stuff ( I am a beginner regarding Linux ) in the root prompt. Now I am stuck in this screen with graphic options: - Run in low-graphics mode just for one session - Reconfigure Graphics - Troubleshoot the error - Exit to console login I am trying to choose to reconfigure graphics but the mouse disappears in the virtual machine screen and sometimes when options change ity´s only the first and last option. ut this happens from the blue without messages. This particular option menu is in the regular GUI style against a black screen in Terminal style. Really strange. Thanx in advance, all is welcome and appreciated.

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• Firefox 4 crashing in VNC

  - by MacThePenguin

  On my desktop PC I've been using Kubuntu 10.04 for about a year. Recently I've updated Firefox to version 4 using aptitude and the mozilla-team/firefox-stable repository. Since then, I can't run it when I'm logged in through a VNC session. Firefox crashes immediately: when I try to run it from the console I get this error: ###!!! ABORT: X_ShmPutImage: BadShmSeg (invalid shared segment parameter); 3 requests ago: file /build/buildd/firefox-4.0.1+build1+nobinonly/build-tree/mozilla/toolkit/xre/nsX11ErrorHandler.cpp, line 203 ###!!! ABORT: X_ShmPutImage: BadShmSeg (invalid shared segment parameter); 3 requests ago: file /build/buildd/firefox-4.0.1+build1+nobinonly/build-tree/mozilla/toolkit/xre/nsX11ErrorHandler.cpp, line 203 Firefox works fine when I run it directly from the PC. Firefox 3.x worked fine also from a VNC session. I tried to turn off the hardware acceleration from the Firefox preferences, but that doesn't fix the problem. firefox --sync, firefox -safe-mode and firefox -ProfileManager also crash the same way. Any idea how to troubleshoot this? Thanks. Edit: additional info. I run vnc (RealVNC 4.1.1) from xinetd, this is the config I use: service Xvnc { type = UNLISTED disable = no socket_type = stream protocol = tcp wait = yes user = root server = /usr/bin/Xvnc4 server_args = -inetd :1 -desktop vnc5901 -query localhost -geometry 1160x675 -depth 16 -once -DisconnectClients=0 -NeverShared passwordFile=/path/to/vnc/password -render port = 5901 }

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• [MINI HOW-TO] Repair Missing External Hard Drive Database Error in WHS

  - by Mysticgeek

  If you’re using external hard drives with your Windows Home Server, they might get unplugged and create an error. Here we look at running the Repair Wizard to quickly fix the issue. If an external drive that is included in your drive pool becomes unplugged or loses power, you might see the following error under Home Network Health when opening the WHS Console. To fix the issue verify the drive has power and is plugged in correctly and click Repair. The wizard launches and you’ll need to agree that you may lose data during the repair of the backup database. In this example it was a simple problem where an external drive became unplugged from the server…so you can close out of the wizard. If you look under Server Storage you can see the drive is missing…To fix the issue verify the drive has power and is plugged in correctly. WHS will add the drive back into the pool and when finished you’ll see it listed as healthy and good to go. Using external drives that are part of your storage pool may not be the best way to have your home built WHS setup, but if you do, expect occasional errors such as this. Similar Articles Productive Geek Tips Find Your Missing USB Drive on Windows XPFixing "BOOTMGR is missing" Error While Trying to Boot Windows VistaSpeed up External USB Hard Drives in Windows VistaRebit Backup Software [Review]Troubleshoot Startup Problems with Startup Repair Tool in Windows 7 & Vista TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips HippoRemote Pro 2.2 Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Know if Someone Accessed Your Facebook Account Shop for Music with Windows Media Player 12 Access Free Documentaries at BBC Documentaries Rent Cameras In Bulk At CameraRenter Download Songs From MySpace Steve Jobs’ iPhone 4 Keynote Video

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• SQL SERVER – Download PSSDIAG Data Collection Utility

  - by pinaldave

  During an early career of mine as a database consultant – when I was dealing with SQL Server 2000, I often needed to collect various data related to SQL Server. My favorite tool to collect the data is PSSDIAG tool. It is a general purpose diagnostic collection utility that Microsoft Product Support Services uses to collect various logs and data files. It collects Performance Monitor logs, SQL Profiler traces, SQL Server blocking script output, Windows Event Logs, and SQLDIAG output. The data collected can be used by SQL Nexus tool which help you troubleshoot SQL Server performance problems. PSSDIAG is a wrapper around other data collection APIs and utilities, the performance impact of running PSSDIAG is generally equal to the impact of the traces that PSSDIAG has been configured to capture. If you are using SQL Server 2000 – you need to seriously consider to upgrading it to SQL Server 2012. Here is a PSSDIAG Data Collection Utility updated in August 2012. My friend and SQL Server Expert Amit Benerjee have written an excellent article on this subject, I encourage all of you to read the same. Note: For SQL Server 2012 there is SQLDiag. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Download, SQL Query, SQL Server, SQL Tips and Tricks, SQLAuthority News, T SQL, Technology

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• E-Business Suite Proactive Support - Workflow Analyzer

  - by Alejandro Sosa

  Overview The Workflow Analyzer is a standalone, easy to run tool created to read, validate and troubleshoot Workflow components configuration as well as runtime. It identifies areas where potential problems may arise and based on set of best practices suggests the Workflow System Administrator what to do when such potential problems are found. This tool represents a proactive way to verify Workflow configuration and runtime data to prevent issues ahead of time before they may become of more considerable impact on a production environment. Installation Since it is standalone there are no pre-requisites and runs on Oracle E-Business applications from 11.5.10 onwards. It is installed in the back-end server and can be run directly from SQL*Plus. The output of this tool is written in a HTML file friendly formatted containing the following on both workflow Components configuration and Workflow Runtime data: Workflow-related database initialization parameters Relevant Oracle E-Business profile option values Workflow-owned concurrent programs schedule and Workflow components status Workflow notification mailer configuration and throughput via related queues and table Workflow-relevant recommended and critical one-off patches as well as current code level Workflow database footprint by reading Workflow run-time tables to identify aged processes not being purged. It also checks for large open and closed processes or unhealthy looping conditions in a workflow process, among other checks. See a sample of Workflow Analyzer's output here.  Besides performing the validations listed above, the Workflow Analyzer provides clarification on the issues it finds and refers the reader to specific Oracle MOS documents to address the findings or explains the condition for the reader to take proper action. How to get it? The Workflow Analyzer can be obtained from Oracle MOS Workflow Analyzer script for E-Business Suite Workflow Monitoring and Maintenance (Doc ID 1369938.1) and the supplemental note How to run EBS Workflow Analyzer Tool as a Concurrent Request (Doc ID 1425053.1) explains how to register and run this tool as a concurrent program. This way the report from the Workflow Analyzer can be submitted from the Application and its output can be seen from the application as well.

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• Steam (via Wine) crashes after login - any troubleshooting tips?

  - by new Thrall

  The Steam client crashes after I login. After submitting my credentials, Steam displays a dialog box informing me the client is 'connecting'. I then see the Steam main page and news page displayed for roughly a second or so before the client crashes. I'm running Ubuntu 10.10 (I think..what's the best way to verify? uname only displays Linux) which I've installed on a usb flash drive using a capser-rw file for persistence. wine-1.3.14 I'm not sure how to troubleshoot. How do I identify if the problem is with wine or steam or the video card driver, or what? Any ideas? hardware: motherboard: ECS Elitegroup 945GCT-M sound: integrated audio video: ATI Radeon X1950 console output: ubuntu@ubuntu:~/.wine/drive_c/Program Files/Steam$ wine Steam.exe fixme:process:GetLogicalProcessorInformation ((nil),0x32e488): stub fixme:process:GetLogicalProcessorInformation (0x1010c00,0x32e488): stub fixme:process:SetProcessShutdownParameters (00000100, 00000000): partial stub. fixme:urlmon:CoInternetSetFeatureEnabled 5, 0x00000002, 1, stub fixme:urlmon:CoInternetSetFeatureEnabled 10, 0x00000002, 1, stub fixme:dwmapi:DwmSetWindowAttribute (0x1009a, 2, 0x32d334, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x1009a, 3, 0x32d338, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x1009a, 4, 0x32d33c, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x100a2, 2, 0x32d964, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x100a2, 3, 0x32d968, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x100a2, 4, 0x32d96c, 4) stub err:ole:CoGetClassObject class {77f10cf0-3db5-4966-b520-b7c54fd35ed6} not registered err:ole:CoGetClassObject no class object {77f10cf0-3db5-4966-b520-b7c54fd35ed6} could be created for context 0x1 fixme:wbemprox:wbem_locator_ConnectServer 0x1ab5f0, L"ROOT\CIMV2", (null), (null), (null), 0x00000080, (null), (nil), 0x42bbee8) fixme:dwmapi:DwmSetWindowAttribute (0x100ae, 2, 0x32d8cc, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x100ae, 3, 0x32d8d0, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x100ae, 4, 0x32d8d4, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x100b6, 2, 0x32d80c, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x100b6, 3, 0x32d810, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x100b6, 4, 0x32d814, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x100c0, 2, 0x32d2e4, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x100c0, 3, 0x32d2e8, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x100c0, 4, 0x32d2ec, 4) stub fixme:winhttp:WinHttpGetIEProxyConfigForCurrentUser returning no proxy used fixme:dwmapi:DwmSetWindowAttribute (0x100dc, 2, 0x32d94c, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x100dc, 3, 0x32d950, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x100dc, 4, 0x32d954, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x10118, 2, 0x32da8c, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x10118, 3, 0x32da90, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x10118, 4, 0x32da94, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x10122, 2, 0x32d514, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x10122, 3, 0x32d518, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x10122, 4, 0x32d51c, 4) stub fixme:dbghelp:elf_search_auxv can't find symbol in module

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• How to revert back to older xorg?

  - by wouter205

  Since the last update of ubuntu 12.04, the system won't boot into gui anymore. It states that it was unable to load the graphics drivers and gives me 4 options, these are: run in low graphics mode for 1 session reconfigure graphics troubleshoot the error exit to console login whichever option I choose, it doesn't solve anything. For instance, when i choose to reconfigure graphics and then switch to vesa drivers, the screen goes back to the option list. So i configured xorg.conf to vesa myself, and i see in the update history that ubuntu updated xserver-xorg-core and xserver-common whereas i blocked these updates in synaptic since i'm aware that updating these files caused troubles with my particular video card (radeon hd6800). So my solution is probably to revert these files to the older (working) versions. How can I do this please (in particular xserver-xorg-core since i think this is the main cause of my problem). thanks! output of ls /etc/X11 -app-defaults xorg.conf Xreset -cursors xorg.conf-backup-120529144709 Xreset.d -default-display-manager xorg.conf.fglrx-0 -Xresources -fonts xorg.conf.fglrx-1 Xsession -rgb.txt xorg.conf.fglrx-2 Xsession.d -X xorg.conf.original-0 -Xsession.options -xinit xorg.conf.original-1 -Xwrapper.config -xkb xorg.conf.vesa Output of sudo aptitude show xserver-xorg-core | grep Versie (read: Version in Flemish) Versie: 2:1.11.4-0ubuntu10.2

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• Can not access Internet (DNS names do not resolve) after update today

  - by Aras

  I have been using Precise for a few weeks now for work with no problem. Today, I am not able to access any website using either wired or wireless connections. I installed the updates today which included nautilus, xserver, and a new kernel (3.2.0-24). After restarting I no longer was able to browse the Internet using firefox or chrome. Trying to ping google in terminal gives ping: unknown host google.ca I have tried: Connecting to wireless or wired networks (both working on other machines) Restart the machine and boot with previous Kernel Manually configure opendns on my wired connection Restart the network and the laptop and the wireless card Without any success so far. I am not sure where to go next. Please let me know the cause of the issue or help me troubleshoot it. Note that the laptop does receive an ip address, and it can ping ip address of google.ca (74.125.127.94) but not the domain name, or any domain name for that matter. This system was upgraded from 11.10 to 12.04 more two weeks ago.

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• DIY Homemade Hybrid Rocket Engine [Video]

  - by Jason Fitzpatrick

  Remember the guy with the cool DIY astronaut ice cream build? He’s back with a mini hybrid rocket engine that runs off oxygen and acrylic. I built a small rocket engine for demonstration purposes. The engine is built from a 2″ diameter acrylic rod through which I drilled a 0.5″ hole. The oxygen at 80 psi or less is passed through the hole and then is forced through a convergent-divergent nozzle at the tail end. The nozzle’s throat is about 0.25″ and expands to 0.625″. I lit the engine by inserting a burning cotton swab (with wooden stick) while a small amount of oxygen was flowing. The acrylic catches fire very easily in a pure oxygen environment. The engine can be throttled and shut off completely, which is a major benefit to hybrid engine designs. Solid-fuel rockets cannot be throttled or shut off, which makes them difficult to control. [via Make] HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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• Playing Age of Empires II multiplayer in VirtualBox Over wi fi network

  - by Gaurav_Java

  I installed Age of Empires II (Expansion) in VirtualBox (hosting Windows XP). It works great in single player mode. Unfortunately, I tried playing multiplayer via WI-FI which I created on my Ubuntu machine and can't seem to join games. But when I connected to my WI-FI router other able to connect to my system and we can play multiplayer mode This is what I've done so far to try to resolve the issue: I noticed that the IP address of my virtual machine was 10.0.x.x, While the local IP on Ubuntu is 192.168.x.x, which I figured was a Problem. So I changed from NAT networking to bridged networking in VirtualBox . I turned off the Windows firewall in the virtual machine and don't have any ports blocked by Ubuntu, so no software firewall should be at fault. However I'm still unable to play multiplayer games, and suspect that some kind of networking issue lies at the heart of the problem. I'm not sure what else I would need to change, however. So essentially I was wondering if anyone else here has managed to play AOE2, or any similar game, inside VirtualBox from Ubuntu, and if so what you needed to do to make it possible. Or if anyone has suggestions on where else to look to figure out the problem, I'd appreciate that as well. Unfortunately AOE2 itself doesn't provide any debugging information to troubleshoot the inability to connect to network games. Here MY IP result both for Ubuntu and Virtualbox XP I want to play game on multiplayer mode in virtualbox on my system(Own Created on Ubuntu ) wi-fi on which other can connect and play hope someone will answer this

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• mdadm starts resync on every boot

  - by Anteru

  Since a few days (and I'm positive it started shortly before I updated my server from 13.04-13.10) my mdadm is resyncing on every boot. In the syslog, I get the following output [ 0.809256] md: linear personality registered for level -1 [ 0.811412] md: multipath personality registered for level -4 [ 0.813153] md: raid0 personality registered for level 0 [ 0.815201] md: raid1 personality registered for level 1 [ 1.101517] md: raid6 personality registered for level 6 [ 1.101520] md: raid5 personality registered for level 5 [ 1.101522] md: raid4 personality registered for level 4 [ 1.106825] md: raid10 personality registered for level 10 [ 1.935882] md: bind<sdc1> [ 1.943367] md: bind<sdb1> [ 1.945199] md/raid1:md0: not clean -- starting background reconstruction [ 1.945204] md/raid1:md0: active with 2 out of 2 mirrors [ 1.945225] md0: detected capacity change from 0 to 2000396680192 [ 1.945351] md: resync of RAID array md0 [ 1.945357] md: minimum _guaranteed_ speed: 1000 KB/sec/disk. [ 1.945359] md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for resync. [ 1.945362] md: using 128k window, over a total of 1953512383k. [ 2.220468] md0: unknown partition table I'm not sure what's up with that detected capacity change, looking at some old logs, this does have appeared earlier as well without a resync right afterwards. In fact, I let it run yesterday until completion and rebooted, and then it wouldn't resync, but today it does resync again. For instance, yesterday I got: [ 1.872123] md: bind<sdc1> [ 1.950946] md: bind<sdb1> [ 1.952782] md/raid1:md0: active with 2 out of 2 mirrors [ 1.952807] md0: detected capacity change from 0 to 2000396680192 [ 1.954598] md0: unknown partition table So it seems to be a problem that the RAID array does not get marked as clean after every shutdown? How can I troubleshoot this? The disks themselves are both fine, SMART tells me no errors, everything ok.

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• Use Oracle Product Hub Business Events to Integrate Additional Logic into Your Business Flows

  - by ToddAC-Oracle

  Business events provide a mechanism to plug-in and integrate some additional business processes or custom code into standard business flows.  You could send a notification to a business User, write to advanced queues or perform some custom processes. In-built business events are available specifically for each flow like Item Creation, Item Updation, User-Defined Attribute Changes, Change Order Creation, Change Order Status Changes and others.To get a list of business events, refer to the PIM implementation Guide or Using Business Events in PLM and PIM Data Librarian (Doc ID 372814.1) .If you are planning to use business events, Doc ID 1074754.1 walks you through a setup with examples. How to Subscribe and Use Product Hub (PIM / APC) Business Events [Video] ? (Doc ID 1074754.1). Review the 'Presentation' section of Doc ID 1074754.1 for complete information and best practices to follow while implementing code for subscriptions. Learn things you might want to avoid, like commit statements for instance. Doc ID 1074754.1 also provides sample code for testing, and can be used to troubleshoot missing setups or frequently experienced issues. Take advantage and run a test ahead of time with the sample code to isolate any issues from within business specific subscription code.Get more out of Oracle Product Hub by using Business Events!

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• Troubleshooting Your Network with Oracle Linux

  - by rickramsey

  Are you afraid of network problems? I was. Whenever somebody said "it's probably the network," I went to lunch. And hoped that it was fixed by the time I got back. Turns out it wasn't that hard to do a little basic troubleshooting Tech Article: Troubleshooting Your Network with Oracle Linux by Robert Chase You're no doubt already familiar with ping. Even I knew how to use ping. Turns out there's another command that can show you not just whether a system can respond over the network, but the path the packets to that system take. Our blogging platform won't allow me to write the name down, but I can tell you that if you replace the x in this word with an e, you'll have the right command: tracxroute Once you get used to those, you can venture into the realms of mtr, nmap, and netcap. Robert Chase explains how each one can help you troubleshoot the network, and provides examples for how to use them. Robert is not only a solid writer, he is also a brilliant motorcyclist and rides an MV Augusta F4 750. About the Photograph Photo of flowers in San Simeon, California, taken by Rick Ramsey on a ride home from the Sun Reunion in May 2014. - Rick Follow me on: Personal Blog | Personal Twitter   Follow OTN Garage on: Web | Facebook | Twitter | YouTube

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• How to hire support people?

  - by Martin

  I manage a tech support team at a mid-sized software company. We are the last line of support, so issues that we can't fix need to be escalated to the development team. When I joined the company, our team wasn't capable of much beyond using a specific set of troubleshooting steps to solve known issues and escalating anything else to the developers. It's always been a goal of mine for our team to shoulder as much of the support burden as possible without ever bothering a developer. Over the past few years, I, along with several new hires I've made, have made pretty good progress in that direction. We've coded our own troubleshooting tools which now ship with several of our products. When users have never-before-seen issues, we analyze stack traces and troubleshoot down to the code level, and if we need to submit a bug, half the time we've already identified in the code where in the code the bug is and offered a patch to fix it. Here's the problem I've always had: finding support people capable of the work I've described above is really difficult. I've hired 3 people in the past 3 years, and I've probably looked at several thousand resumes and conducted several hundred phone screens to do so. I know it's pretty well accepted that hiring good people is tough in the tech industry, but it seems that support is especially difficult -- there are clearly thousands of people walking around calling themselves support analysts, but 99%+ of them seemingly aren't capable of anything beyond reading a script. I'm curious if anyone has experience recruiting the sort of folks I'm talking about, and if you have any suggestions to share. We've tried all sorts of things -- different job titles/descriptions, using headhunters, etc. And while we've managed to hire a few good folks, it's basically taken us a year to find an appropriate candidate for each opening we've had, and I can't help but wonder if there's something we could be doing differently.

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• Bad DMA/do_IRQ errors on suspend/resume, with occasional freezing

  - by Steve Kroon

  Every time I suspend or resume my laptop (Dell Latitude E6520, bought this year), I get 2 messages of the form displayed on the console just before shutting down/starting up: [ 407.107610] ehci_hcd 0000:00:1d.0: dma_pool_free buffer-128, f6f18000/36f18000 (bad dma) On occasion, I get a message of the form: [ 3753.979066] do_IRQ: 0.177 No irq handler for vector (irq -1) On occasion, my machine freezes with a flashing Caps Lock button when suspending, after which I need to do a hard shutdown. This never happened before the messages started appearing (a while back), and I think it never happens without a do_IRQ message appearing (although I'm not sure about that). [There's nothing in the owner's manual on a flashing Caps Lock button; apparently it may be a kernel panic if the scroll lock also flashes, but the laptop doesn't have a scroll lock light, and there's no message on the console saying kernel panic.] Are these bad DMA/do IRQ messages serious, and what can I do to investigate/troubleshoot them and the freezing? Edit: I've also now received the following error messages a few times: [246943.023908] JBD: I/O error detected when updating journal superblock for sdb1. [246943.023958] Buffer I/O error on device sdb1, logical block 0 [246943.023996] EXT3-fs (sdb1): I/O error while writing superblock Edit: Output of dmesg at http://pastebin.com/ra7MTQEj ; contents of /var/log/kern.log at http://pastebin.com/i6jf0Md9 Edit: the output of some smartctl (-a, -x, --log=error, --log=xerror) instructions is available at http://paste.ubuntu.com/1088488/ . Edit (31/8/2012): Output of dmesg|grep -i ehci available at http://paste.ubuntu.com/1177246/ .

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• Finally! Entity Framework working in fully disconnected N-tier web app

  - by oazabir

  Entity Framework was supposed to solve the problem of Linq to SQL, which requires endless hacks to make it work in n-tier world. Not only did Entity Framework solve none of the L2S problems, but also it made it even more difficult to use and hack it for n-tier scenarios. It’s somehow half way between a fully disconnected ORM and a fully connected ORM like Linq to SQL. Some useful features of Linq to SQL are gone – like automatic deferred loading. If you try to do simple select with join, insert, update, delete in a disconnected architecture, you will realize not only you need to make fundamental changes from the top layer to the very bottom layer, but also endless hacks in basic CRUD operations. I will show you in this article how I have  added custom CRUD functions on top of EF’s ObjectContext to make it finally work well in a fully disconnected N-tier web application (my open source Web 2.0 AJAX portal – Dropthings) and how I have produced a 100% unit testable fully n-tier compliant data access layerfollowing the repository pattern. http://www.codeproject.com/KB/linq/ef.aspx In .NET 4.0, most of the problems are solved, but not all. So, you should read this article even if you are coding in .NET 4.0. Moreover, there’s enough insight here to help you troubleshoot EF related problems. You might think “Why bother using EF when Linq to SQL is doing good enough for me.” Linq to SQL is not going to get any innovation from Microsoft anymore. Entity Framework is the future of persistence layer in .NET framework. All the innovations are happening in EF world only, which is frustrating. There’s a big jump on EF 4.0. So, you should plan to migrate your L2S projects to EF soon.

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