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• Creating an install of Ubuntu to clone

  - by naaronne

  I work on a team with several other developers. We all have similar hardware and we all run at least the same base development software. We are wishing to upgrade from 10.04 to 10.10 doing a clean install. I am looking for a way to do a base install of Ubuntu, including all our common applications, then clone it to each of the developers drives and then let them further customize their own install. Some considerations would be giving the developer the ability to have their own person id and not the same as which the base install was done with. I know they do this on VMware installs and corporate installs of Windows that can then be customized, but I have not seen this done with Ubuntu yet. Thanks

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• Is there a way to make the speaker silent while the headphone-jack keeps working? 12.04LTS

  - by Cees

  The PC I am working on is in a loud environment. If I need sound, I use the headphone. On my own account this is easy: I mute the speaker in the sound-setting. I am not the only user, others use the Guest-session. And that's what this question about: Is it possible to turn off the speaker by default on a guest-session AND leave the headphone-output working? If yes, how can I fix it? I tried to loosen the speaker (hardware) connection but it is soldered to the mainboard. The soundcard on the PC is: HDA Intel at 0xfea78000 irq 44 /proc/asound/pcm ---------------------------+ ¦00-00: ALC662 rev1 Analog : ALC662 rev1 Analog : playback 1 : capture 1¦ ¦00-02: ALC662 rev1 Analog : ALC662 rev1 Analog : capture 1 Ubuntu 12.04LTS is running on the system, my account has all the (admin) rights

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• How do I play HD video without it stuttering?

  - by hugocreal

  Hello All, I want play a Blu Ray Video from my hard drive with Boxee, but it chokes all the time. I've tried to play it with others video players but it is the same. I think that is a 10gb .mkv file with 10Gb. Stuttering video with VLC , mplayer, and the default video player on ubuntu. I read in many Forums just can´t put this to work. Any idea? thanks. Ubuntu 10.10, My PC specs: Single Core 2Ghz ATI HD 4350 (i have installed the drivers from "Hardware Drivers"), 2G Memory *EDIT: Problem solved, this weekend had buy a motherboard and a processor DualCore 2.5Ghz, no more stuttering. thanks alot for your help.

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• Ubuntu always freezes on a friend's machine

  - by missingfaktor

  I am posting this on my friend's behalf. I installed Ubuntu 12.04 on my friend's computer but it continuously froze, no desktop effects worked, and it was frankly unusable. I thought this might be an issue with Unity and how it interacts with his hardware, so I tried several other desktop environments on his machine. These include KDE, Xfce, and GNOME. The problems persisted regardless of the desktop environment. I would like to note that he dual boots his system with Windows 7. Even there no desktop effects work but the system is reasonably stable. The following screenshots describe some of his system information (He is running Xfce at this time): 1: 2: Card information: intel corporation 82G33/G31 integrated graphics controller (rev02). What is the issue and how can it be solved? Please let me know if I should add any more information. Thank you.

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• why write-enable ring

  - by SpashHit

  Here's an "interview question" that while ostensibly about hardware really does inform a software design principal as well. Computers used to (still do I guess, somewhere) use magnetic tape reels to store data. There was a plastic accessory you could attach to a tape reel called a "write-enable ring". If the tape had such a ring, the tape drive allowed writing to the tape... if not, it only allowed read access. Why was the choice to design the system in this way? Why not have a "write protect ring" instead, with the opposite effect?

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• Left-click button inconsistently clicks in Lubuntu

  - by thebaer

  Just recently installed Lubuntu 12.10 on my Samsung N130 netbook, and left-clicking only works every once in a while. Here is the output from synclient, if it helps. Before changing MaxTapTime to 0, tapping to click worked fine. Clicking with hardware button worked fine on previous versions of Ubuntu before switching to Lubuntu on same computer. Parameter settings: LeftEdge = 1775 RightEdge = 5503 TopEdge = 1652 BottomEdge = 4662 FingerLow = 25 FingerHigh = 30 FingerPress = 256 MaxTapTime = 0 MaxTapMove = 245 MaxDoubleTapTime = 180 SingleTapTimeout = 180 ClickTime = 100 FastTaps = 0 EmulateMidButtonTime = 75 EmulateTwoFingerMinZ = 282 EmulateTwoFingerMinW = 7 VertScrollDelta = 111 HorizScrollDelta = 111 VertEdgeScroll = 0 HorizEdgeScroll = 0 CornerCoasting = 0 VertTwoFingerScroll = 1 HorizTwoFingerScroll = 0 MinSpeed = 1 MaxSpeed = 1.75 AccelFactor = 0.0359131 TrackstickSpeed = 40 EdgeMotionMinZ = 30 EdgeMotionMaxZ = 160 EdgeMotionMinSpeed = 1 EdgeMotionMaxSpeed = 445 EdgeMotionUseAlways = 0 TouchpadOff = 0 LockedDrags = 0 LockedDragTimeout = 5000 RTCornerButton = 2 RBCornerButton = 3 LTCornerButton = 0 LBCornerButton = 0 TapButton1 = 1 TapButton2 = 3 TapButton3 = 0 ClickFinger1 = 1 ClickFinger2 = 1 ClickFinger3 = 0 CircularScrolling = 0 CircScrollDelta = 0.1 CircScrollTrigger = 0 CircularPad = 0 PalmDetect = 0 PalmMinWidth = 10 PalmMinZ = 200 CoastingSpeed = 20 CoastingFriction = 50 PressureMotionMinZ = 30 PressureMotionMaxZ = 160 PressureMotionMinFactor = 1 PressureMotionMaxFactor = 1 ResolutionDetect = 1 GrabEventDevice = 1 TapAndDragGesture = 1 AreaLeftEdge = 0 AreaRightEdge = 0 AreaTopEdge = 0 AreaBottomEdge = 0 HorizHysteresis = 27 VertHysteresis = 27 ClickPad = 0

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• Ubuntu 12.10 live-usb won't boot

  - by user109175

  I own an Aleutia "Tango" low power PC. It uses a Intel Atom CPU N2800 @1.86GHz processor. I know there are Linux issues with the "Cedar Trail" graphics on this hardware but I can happily run Ubuntu 12.04 using the VESA graphics driver. I wanted to try out Ubuntu 12.10 so I created a live USB under 12.04 but I am unable to get this to boot. It gets as far as the Grub screen but after that the monitor shuts down. I have tried the F6 "nomodeset" option but that doesn't make any difference. Does anyone have any knowledge of this problem? Thanks in advance.

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• Raspberry Pi + Azure + Mobile App

  - by Richard Jones

  Ongoing project idea. So this is of long running personal interest to build a Mobile App that shows you a push notification/pop up alert, when anyone calls your house phone. So I've taken delivery of a Raspberry Pi. I've ordered a new Crucible Technology Caller ID Box. (arriving soon). I have been writing/learning Python to implement the Listener software. This will in turn push xml messages up to Azure for final delivery via push notifications to an App. iOS app already written to receive the notifications/allow address book additions made up from phone numbers from incoming calls. So this is fusion, R-Pi, Azure, Hardware and iOS. Details to follow as this plan unfolds.

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• Google I/O 2012 - Android WebView

  Google I/O 2012 - Android WebView Nicolas Roard Hundred of thousands of Android applications use WebView to display HTML content. In Android 4.0 it's hardware-accelerated, which allows support for HTML5 features such as inline video, CSS 3d, CSS animations, and overflow elements. This talk will give an overview of the underlying implementation in ICS, explain how to best take advantage of WebView in your application, and cover best practices for high-performance HTML code. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 83 3 ratings Time: 52:04 More in Science & Technology

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• Multiple X screens without Xinerama

  - by Kalle Elmér

  Is there some way to move Windows between separate X screens in Ubuntu 12.04? With 3 monitors on 2 GPUs, using Twinview is not an option. Xinerama allows me to drag windows between all monitors, but it also means that I lose all hardware acceleration. I don't expect to be able to drag windows between the screens and have them occupy two monitors simultaneously, but there must be some way to transfer a program while it is running. At the moment, I don't even know how to select which monitor it will use when launched. Any pointers?

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• Oracle Exalogic X3-2 Installation and Maintenance Training (from OU)

  - by Javier Puerta

  Many of the Exadata partners in our community are also architecting and servicing Exalogic-based solution. The following training is open to partners and will be of interest. This course introduces the Oracle Exalogic Elastic Cloud X3-2 including new functions and features. It discusses the architecture and components of the server and where they are located in the chassis. The students will learn how to install and configure the Oracle Exalogic Elastic Cloud as well as upgrade its firmware. The course will cover maintaining and servicing field replaceable units (FRU) as well as performing hands-on hardware procedures.  This course is mandatory for all Oracle Partners that wish to become certified to perform Exalogic system installations. Oracle Exalogic X3-2 Services Training - Web Based Training (WBT) description (Link) Oracle Exalogic X3-2 Services Training - Public Course Description on education.oracle.com (Link)

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• Implementing invisible bones

  - by DeadMG

  I suddenly have the feeling that I have absolutely no idea how to implement invisible objects/bones. Right now, I use hardware instancing to store the world matrix of every bone in a vertex buffer, and then send them all to the pipeline. But when dealing with frustrum culling, or having them set to invisible by my simulation for other reasons, means that some of them will be randomly invisible. Does this mean I effectively need to re-fill the buffer from scratch every frame with only the visible unit's matrices? This seems to me like it would involve a lot of wasted bandwidth.

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• New: StorageTek SL150 Modular Tape Library Guided Learning Paths

  - by Cinzia Mascanzoni

  Now Available – The StorageTek SL150 Modular Tape Library Guided Learning Paths (GLPs). In order to apply to distribute the StorageTek SL150, partners must meet the following criteria: Be a Gold, Platinum or Diamond member of the Oracle PartnerNetwork in good standing with a valid OPN Agreement. Have confirmed acceptance from Oracle into the StorageTek Tape Storage Knowledge Zone. Have a valid Full Use Distribution Agreement (FUDA) v041610 or later with Oracle, be in the process of applying for one, or have a valid addendum to your existing Full Use Distribution Agreement with current hardware terms. Have met the resale competency criteria (GLPs): a.) StorageTek SL150 Modular Tape Library Sales Specialist (2 completed) b.) StorageTek SL150 Modular Tape Library PreSales Specialist (1 completed).

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• If an app runs well on iPhone 3GS with iOS 5.1, how to know that it runs well on iOS 4.3? [closed]

  - by ????

  I bought an iPhone 3GS just to test backward compatibility of apps that I developed, but it arrived preinstalled with iOS 5.1. So even if an app runs well on iPhone 3GS and iOS 5.1 with its hardware limitation, how can we tell that it runs well even on iPhone 3GS with iOS 4.3? Will it actually be better to install iOS 4.3 on the phone so that we know even the older iOS can support it, so the newer iOS will work well supposedly? Or is there a need to buy yet another iPhone 3GS and install 4.3 on one and 5.1 on the other? (my assumption is that if we set the app's build target iOS to 4.3, the iPhone 3G won't be able to install it, because iPhone 3G only runs iOS up to 4.2. So the target device is 3GS but not earlier. But it will exclude iPod Touch 2nd Generation as well because they also can only support iOS up to 4.2 only)

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• No sound on fresh install of 13.10

  - by Totalnon

  I installed a new copy of 13.10 today and cannot get my audio to work. Speakers test good on other devices, enabled in the BIOS, worked this morning in a Windows environment. I ran all of the available updates through apt-get. aplay -l lists my card (which tells me Ubuntu recognizes the hardware, I have been looking around the web and trying various things to no avail. Pulse folder permissions seem fine, I've reinstalled ALSA, and the card shows both digital and analog in the system settings sound section. I have tried this guide: Sound Troubleshooting Guide As well as looked through these forums under the tags sound and 13.10 Anyone have any ideas that may help me?

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• New MyOracleSupport (MOS)Interface Coming 13 July 2012

  - by user793553

  On July 13, 2012, we plan to upgrade the My Oracle Support HTML-based user interface (UI) with additional functionality that will allow those users remaining on the Flash-based user interface to switch over to the HTML version. Our goal is to provide a single-online support portal so that all My Oracle Support users can benefit from the same features and functionality. Prior to July 13, 2012, users of Oracle On Demand, Oracle CRM On Demand, Taleo, and Oracle Configuration Manager should continue accessing the My Oracle Support Flash-based user interface. After July 13, 2012, the above features and functionality to support these users will be available on the HTML interface. All other users of My Oracle Support can make the switch now. Benefits of using the HTML-based user interface include: Streamlined, three-step process for initiating new Service Requests (SRs) Single, consistent workflow for both hardware and software incidents Enhanced personalization and filtering within the user interface New accessibility features (enabling screen readers, large fonts, etc.) Additionally, please note Internet Explorer 6 (IE6) will no longer be supported. For further information, please check Doc ID 1385682.1

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• R Statistical Analytics with Faster Performance for Enterprise Database Access and Big Data

  - by Mike.Hallett(at)Oracle-BI&EPM

  Further demonstrating commitment to the open source community, Oracle has just released enhanced support of the R statistical programming language for Oracle Solaris and AIX in addition to Linux and Windows, connectivity to Oracle TimesTen In-Memory Database in addition to Oracle Database, and integration of hardware-specific Math libraries for faster performance.  Oracle’s Open Source distribution of R is available with the Oracle Big Data Appliance and available for download now. Oracle also offers Oracle R Enterprise, a component of Oracle Advanced Analytics that enables R processing on Oracle Database servers.   This all goes to make big data analytics more accessible in the enterprise and improving data scientist productivity with faster performance Since its introduction in 1995, R has attracted more than two million users and is widely used today for developing statistical applications that analyze big data. Analyst Report: Oracle Advances its Advanced Analytics Strategy  

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• What is the ideal laptop for creative coding applications?

  - by Jason

  Hi, I am a creative coder using C++(cinder and OpenFrameworks) I am looking to upgrade from my MacBook, which slowed down to about 3fps this morning. My project involves particles systems and fluids reacting to audio analysis data and computer vision data in real-time. SD or HD? no biggie. I have asked many people what computer I need. Ideally, I want a MacBook Pro. But is that enough power? I've been told that I need a desktop for what I am doing though I'd rather stay portable I've been told that I should go PC linux to get the most power but I'd rather stay mac I've been told that RAM is more of bottleneck than processor speed I've been told that the Graphics Card is more important than CPU and that code optimizations such as using trees over lists, proper threading, sending tasks to the GPU make a bigger difference than the hardware!!! what's true?! what do I need? Any suggestions are greatly appreciated

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• What are the factors that determine the default frequency of a shader call?

  - by user827992

  After i have been played for some days with various vertex and fragments shaders seems clear to me that this programs are called by the GPU at every and each rendering cycle, the problem is that I can't really quantify this frequency and I can't tell if is based on some default values or not because I don't have a big collection of hardware right now to do extensive tests. For what i know the answer could be really trivial like "it's the same of the refresh rate of your monitor", but i would like some good answers on that to be clear on this. For instance looks really odd to me that all the techniques used to control the amount of FPS that i have seen until now uses a call for the OpenGL function glutGet(GLUT_ELAPSED_TIME) to retrieve a value in ms about when the rendering started but I have to relies on the CPU to do the math. Why I can't set an FPS value in OpenGL if OpenGL clearly has a counter and a timer/clock? PS I'm referring to OpenGL 3.0+

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• LightScythe Creates Huge Light Paintings

  - by Jason Fitzpatrick

  Earlier this year we showed you how an LED POV staff could be used to visualize network data. This build takes it to another level and allows you to imprint entire words and images into photos. Gavin, a hardware hacker from Sydney, built an open-source POV (persistence of vision) staff after the Wi-Fi visualizer inspired him to begin playing with large POV builds. He built his POV staff using LED strips, wireless controllers, and a laptop to send the signals at the proper intervals to the staff. He can write words, create images, and even send Pac-Man racing across the frame. Hit up the link below to read more about his project and grab his schematics and parts lists. LightScythe [The Mechatronics Guy via Make] HTG Explains: Photography with Film-Based CamerasHow to Clean Your Dirty Smartphone (Without Breaking Something)What is a Histogram, and How Can I Use it to Improve My Photos?

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• installing ubuntu 10.04 over top 11.04

  - by Alex

  im looking to install 10.04 over top the 11.04 partition, it wouldnt let. keeps giving me a "root file system not found" error ever time i manually select partition. (i have a win7 partition) 11.04 popped up after upgrade that my hardware isnt supported for unity. and i cant boot into it, hangs up on purple screen right after boot menu. if anyone can post a link to a how to guide or put it on here, would be great? im trying to take advantage of my nvidia geforce gt 120m (its a laptop) to play around with cuda/c++ programming!

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• broadcom 43225 wireless on acer laptop is disabled

  - by Robbie

  I have a acer aspire 5820T with a broadcom 43225 wireless card. I previously used ubuntu 10.10 and the wireless worked straight away, but when I updated to 11.04 the wireless stopped working. I have managed to get the wireless hardware to switch on for a couple of seconds before turning off (When you turn the wireless on using the manual switch the wireless light stays on for a couple of seconds and in the drop down connections menu the information under wireless networks changes from 'device not ready' to 'Disconnected' but shows no wireless networks despite there being one). So far I have tried installing an additional driver, and also disabling the additional driver and installing b43-fwcutter and firmware b43 installer. There may have been other things that I've found in searches that i've tried but unfortunately I can't remember them. Any help would be appreciated.

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• Chrome dispay Glich when GPU acc. on

  - by user289172

  Hy Everyone! I have some graphics glich when enable gpu acc. in chrome. If i disable acceleraion it fix the glich but, in full HD most of flash videos frame rate drop above frogs a**, so very slow... :) Any idea, what can i do? I Upload 2 pics from glich. My hardware: CM Hyper TX 3 on AMD A5300 with HD 7480D 6 GB RAM I use official AMD driver from amd.com, Ubuntu 14.04(I upgraded from 12.04, in Ubuntu 12, same glitch with old drivers.) I reinstalld x.org completly and purge all config files, but this didnt resolve the problem. If i use other drivers, i have some other problem ie.:nor automatic resolution chnge when connect new monitor, false refreshrate for displays and etc. Thanks for the help! http://i.stack.imgur.com/9PkrK.jpg http://i.stack.imgur.com/AMS22.jpg

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• Can't login after forced shutdown

  - by user1205935

  I am on ubuntu 12.04 and forced a shutdown (hardware switch). Now I can't login anymore. In particular, after entering my password I get sent back to the login screen. The error message is to fast for me to read. I am, however, able to login into the Guest account through the usual login screen, and able to login into my own account on tty1 after pressing Ctrl+Alt+F1. What should I try to get back into my own account via the login screen and get back to a working desktop? Update: I can login with gdm, but not with the (default) lightdm. So the forced shutdown seems to have broken lightdm. The question now is, how do I fix a broken lightdm?

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• AMD 6870 Twin Frozr II video adapter issues

  - by user35427

  Hardware: AMD 6870 Twin Frozr II (1GB), ASUS 990 chipset Software: Ubuntu 11.10 Built a new PC from scratch, loaded it with Ubuntu 11.10. It's displaying, but with poor resolution, unable to change, as it says no drivers are installed. Ubuntu indicates that there are 2 proprietary drivers available to download: ATI/AMD proprietary FGLRX Graphics driver (Post-release update) ATI/AMD proprietary FGLRX Graphics driver The first won't even finish downloading. The second downloads and installs, but when I restart the PC as requested it boots up, I see purple in the background, then the video feed just stops with a black screen. I can still hear ubuntu boot up though. It seems like I just need the latest drivers, googled around and not had much luck. I'm pretty new with Ubuntu, but have basic knowledge. Any potentially helpful information would be welcome.

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