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• Setting up dual monitors, Xorg.conf issues

  - by JTS

  I just got a new computer (W520, Graphics card nVidia GF106 [Quadro 2000]) and installed ubuntu on it using wubi. I have everything working, so I wanted to set it up to be able to use two monitors with an extended screen. I figured I had to edit Xorg.conf, but the file didnt exist. So I tried to create it by booting in recovery mode, and executing Xorg -configure but I am getting these errors: (EE) Failed to load module "vmwgfx" (module does not exist, 0) (EE) vmware: Please ignore the above warnings about not being able to load module/driver vmwgfx (++) Using config file: "/root/xorg.conf.new" (==) Using system config directory "/usr/share/X11/xorg.conf.d" (EE) [drm] No DRICreatedPCIBusID symbol Number of created screens does not match number of detected devices. Configuration failed. ddxSigGiveUp: Closing log Any idea how I can get Xorg -configure to work, so that I can have an xorg.conf file that I can edit to enable twinview? EDIT: Another way I could ask the same question to solve this problem is, why can't I boot with an xorg.conf file generated by nvidia-xconfig? Is there something in the generated xorg.conf file that might need editing?

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• Is ActionScript 3 used by Serious Indie Developers?

  - by Puedes

  This question is for dedicated independent game developers: My dream is to be a game developer. I am a senior in high school who has taken Computer Science for all four years. I have used Java the whole time, but last year I started using PHP and ActionScript 3 (with Flixel). I also used Game Maker for a brief period. I apologize for this, I wanted to get that out of the way and clarify the fact that I have experience of some kind with game development. I am stuck at the moment because I don't quite know what language to use to develop games at a professional level. I am seriously interested in becoming a dedicated game developer, but this issue is really bothering me. I would like to know what the best option would be for my case, based on your experiences. Any advice is appreciated. Things to consider: I am only interested in making 2D games (I am not worried about 3D support) It would be ideal to use something that can be ported to multiple platforms (so as not to run into this problem later) I can't seem to figure out what the industry likes to use So far, this is what I have: I can't decide if it would be wise to stick with ActionScript 3, or move to C++ I know Flash would be for browser games, but what if I want to make a downloadable game, like Plants Vs. Zombies or Super Crate Box? Would Flash be a smart choice for standalone games, or did they use something else? Thank you for reading this, as I would like to stop worrying about this and make some games! Also, I hope this wasn't all over the place :) tl;dr Should I move ahead with AS3 or use something else i.e. C++

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• Managing Kindle Fire with on 12.04 via Micro-USB

  - by pirtle

  To begin, I have read both Is there a way to get a Kindle Fire to work with 12.04? and How can I transfer files to a Kindle Fire with a Micro-USB cable? My problem is that I am unable to mount my Kindle Fire in order to add books to it. I have installed calibre, but it is unable to manage any devices until the computer itself has recognized it. The latter post had an excellent answer (provided by @jeremiah) that was making some progress. Unfortunately, I think I don't know enough about the -t flag used with mount. This is what I've done... Ran dmesg to locate the device: [ 3.920886] sd 6:0:0:0: [sdb] Attached SCSI removable disk Confirmed it's location: $ sudo ls -l /dev/disk/by-id lrwxrwxrwx 1 root root 9 Aug 18 15:52 usb-Amazon_Kindle_3C6C002600000001-0:0 -> ../../sdb So we know that my Kindle is recognized on /dev/sdb. I then used the mount command suggested by @jeremiah: $ sudo mount -t ext3 /dev/sdb/ /mnt/kindle/ mount: no medium found on /dev/sdb The same error occurs for sudo mount /dev/sdb /mnt/kindle. Note: I have created the 'kindle' directory in 'mnt' Any suggestions?

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• Can't access certain specific IP/domain on Windows 7

  - by jfrobishow

  Been banging my head on the wall for some time now. I have a fresh install of Windows 7 - Ultimate ~x86. Some IPs can't resolve properly, it doesn't matter if I try using Firefox, Chrome or IE I end up with a domain not found (server not found, etc.) I am behind a router, all the other computers aren't affected only this Win 7 machine. It's only certain sites. e.g. xkcd.com, facebook's cdn, google group. Things I have tried: flushdns ipconfig renew Disable IP v6 on the NIC Double checked that the computer was in the right timezone @ the right time. Reinstall the NIC driver. Again 90% of the sites will work but not the major one :P help!!!

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• How to configure 2nd network card for use in VMWare Workstation?

  - by Timo

  Hi all, I am using VMWare Workstation 6.5, connected to my network with a bridged adapter so that the virtual machine OS (Windows XP) has its own IP adress. This just worked out of the box. Now my host machine (Windows Vista) has an additional network card that is directly connected to another computer using a crossover cable (and fixed IP adress 10.1.1.4, while the "main" network connection is using DHCP with IP in the 192.68.0.* range). How can I use that network connection as well in the virtual machine? Do I need to bridge my 2nd network adapter to some VMnetX adapter? Do I need to add a host virtual adapter? I do not know much about networks, and the VMWare network settings really confuse me :-) Thanks, Timo

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• PNG files are not being displayed in IE and Vista's Sidebar

  - by Wbdvlpr

  Hi, I am using Windows Vista. I was just visiting a website and found some "missing" images boxes on webpages. And, I could see this for many of the websites I visited. Then I realised that only a certain type of image files are not being displayed, which is PNG. I restarted my computer and noticed that 2 of the sidebar gadgets were missing background images. The websites with "missing" images are working fine in Firefox though. So its a problem related to IE and some of the Windows files. Any ideas how do I get PNGs working in my IE and Sidebar etc. Thanks.

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• Copy files between two windows machines on seperate domains

  - by Simon

  I need to copy several database backups between two computers. The source computer initiates the copy and is a Windows 2000 pc and is a member of domain1. The destination machine is running Windows Server 2000 and is a member of domain2. The machines are on separate networks physically connected via a firewall. The files are currently copied via ssh with http://sshwindows.sourceforge.net/ installed on the destination machine. There is no need to encrypt the contents during the copy, however the passwords should not be sent in the clear. I am looking for a way to copy the files without having to install a server on the destination. I specifically need help with how to set up the permissions and what ports would need to be opened on the firewall.

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• App installed in ~/usr launches from terminal but not Applications menu (or why does setting ld_library_path in .profile not work as it should)

  - by levesque

  I have built and installed an application under a directory of my choosing, let's say under /home/jim/usr, so files have been put in three-four folders, all under this $HOME/usr folder (e.g., bin, include, lib, share, etc.). I can launch this application from the command line just fine as I added the proper paths to my environement variables PATH and LD_LIBRARY_PATH in ~/.bashrc. I added the same paths to the ~/.profile file, which, if I'm not mistaken, is supposed to be parsed by Ubuntu. Doesn't work. Nothing. Where can I go from there? EDIT: I logged out/in and restarted my computer. Both didn't change a thing. The problem seems to come from the fact that no matter what I do the LD_LIBRARY_PATH environment variable is not properly passed to Ubuntu. Using log files, I found that the application I'm trying to run in this example doesn't find one it's dependencies located in ~/usr/lib. One solution would be to add the /home/jim/usr/lib folder inside a file located in /etc/ld.so.conf.d/, but I don't have admin rights on this machine. Making a wrapper script like this one works: #!/bin/bash export LD_LIBRARY_PATH=$HLOC/usr/lib application &> $HOME/application_messages.log but that would force me to wrap all my home compiled applications with this script. Any ideas? Why does Ubuntu/Gnome remove the LD_LIBRARY_PATH environment variable from my set variables? Is it because trying to do this is bad practice? UPDATE (and solution): As found by Christopher, there is a bug report about this on launchpad. LD_LIBRARY_PATH is unset after parsing of the ~/.profile file. See the bug report. Seems the only solution for now is to make a wrapper script.

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• Restoring using SyncBack without profiles

  - by Thomas Matthews

  I backed up my internal hard drive (C:) using SyncBack onto an external (USB) hard drive with maximum compression. I then performed a clean install of Windows Vista onto the computer. I forgot to copy the SyncBack logs before the clean install. And now when ever I try to restore a directory, the RAR/ZIP files are copied to the system hard drive instead of extracting their contents to the hard drive. Also, SyncBack is not traversing the folders during the Restore process. How can I tell SyncBack to expand the compressed files? I am running the freeware version of SyncBack. I have to create new log files (unless SyncBack put them somewhere on the external drive). My alternative is to write a program that traverses the folders on the external drive and extracts files from the RAR/ZIP files. I am using Windows Vista, Service Pack 2, and the data size prior to backup was about 200 GB. (The backup process took over 72 hours due to "hiccups").

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• Using WDS to make a router act like a makeshift signal booster

  - by cornjuliox

  I've got a router that supports WDS, and I was wondering if I could use it to help extend the range of an existing wireless router? The PC I'm using right now is just barely within the signal range of a wireless router, and the signal is rather weak so I moved my wireless USB adapter away from the computer using a USB extension cord and used a pie tin + some packing tape + a stack of books and a tall wooden stand to make a sort of reflector dish. Sometime in the future I'd like other PCs to be able to connect wirelessly but with the way things are set up I can't move any farther from this spot or I lose the signal entirely. Can I use WDS to bridge the two networks together both to increase the range of the first network and allow computers connected to the 2nd router to share internet access?

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• Can't double click files to open them in inDesign (CS5)

  - by Matt

  I cannot open a file unless I open inDesign (the program) and then do File-Open If I double click, it starts to open, then just hangs forever. AFTER I close it, and look in the directory where they're saved, I see a (temporary?) "lock" file. Now I can double click the original file and it opens just fine. However, now when I close iD it deletes the file and the whole process starts again... I have tried updating the software, uninstalled COMPLETELY and reinstalled, tried a brand new Win7 install. These files are all saved on a network drive, the computer is a new quad-core Dell with 12GB of RAM and a fresh x64 Win7 install on the SSD. Does not happen with other programs.

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• Boot from external usb hdd won't work in 12.04

  - by Ben Andersen

  I've been running 10.04 on an external USB HDD without problems for years. I installed 12.04 on an external USB HDD and it worked until I upgraded to all the new packages. But after that it wouldn't boot. I just got into the grub prompt. So then I tried installing on the disk inside the computer and that worked fine. But when I take it out and use it as an external USB HDD I just get: error: hd0 out of disk. grub rescue> How can I fix this? So why do I want this you might wonder? Well I have a laptop at home and a somewhat similar at work. And I just move the disk between them and don't have to move a heavy laptop. So I really hope I can continue doing this with 12.04! The old disk is only 80Gb but the new one is 320Gb (7200rpm Toshiba). I'm using 12.04 on a 64Gb SSD as an external drive and it warns about out of disk but it boots anyway most of the times.

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• Ubuntu Desktop does not load

  - by Niklas

  If I login on my Ubuntu 14.04, I get the following desktop: This weird behavior appeared after I executed sudo apt-get update && sudo apt-get upgrade and restarted my computer. Don't know why though. To my Ubuntu I have tried the following (nothing seems to work so far) Fix any broken packages: sudo apt-get update sudo apt-get autoclean sudo apt-get clean sudo apt-get autoremove Locate any broken packages and reinstall them: sudo apt-get install debsums sudo apt-get clean sudo debsums_init sudo debsums -cs sudo apt-get install --reinstall $(sudo dpkg -S $(sudo debsums -c) | cut -d : -f 1 | sort -u) Removing some compiz files: rm -r ~/.cache/compizconfig-1 rm -r ~/.compiz Purging of NVIDIA and installing NVIDIA-prime: sudo apt-get install --reinstall ubuntu-desktop sudo apt-get install unity sudo apt-get purge nvidia* bumblebee* sudo apt-get install nvidia-prime sudo shutdown -r now Compizconfig Settings Manager: sudo apt-get install compizconfig-settings-manager export DISPLAY=:0 ccsm // Back to UI and enablement of Unity Plugin Unity replace, which stopped at a while and did nothing afterwards unity --replace Some dconf reset dconf reset -f /org/compiz/ unity --reset-icons &disown Actually dconf did not work and I got this error: error: Cannot autolaunch D-Bus without X11 $DISPLAY Can anybody help me on that? This is my hardware (hope it helps in any way): Intel® Core™ i7-3770 ASUS GTX660TI-DC2-OG-2GD5 (NVIDIA driver is/was installed) ASUS P8Z77-V LX Corsair DIMM 8 GB DDR3-1600 Kit Samsung 830series 2,5" 256 GB (Windows is installed here) Seagate ST31000524AS 1 TB (3/4 are reserved for files; 1/4 is for Ubuntu (16GB swap included))

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• Does it mean video card is broken?

  - by Sejanus

  Hello, I've just installed some sort of relatively old video card and now computer freezes while playing certain video games (Civilization 4, HOMM V). Some other video games with far better graphics works well (Dawn of War I). Note that "freezing" games runs nicely and smoothly for about 10-15 mins, no lag or any other indication that video card may be not good enough. And then PC suddenly freezes, nothing works but rebooting. The question is, is this a normal behavior of a video card which is simply "not good enough" for the games in question, or is there something broken? Card itself or motherboard or whatever? OS is Windows 7 if that matters, and I don't know exact videocard specs but that probably doesn't matter for this sort of question... thanks in advance!

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• Is there such thing as a portable database that runs easily OsX and Windows?

  - by Jean-Philippe Murray

  I need to make a small database for a project at school (not computer related at all, I'm indexing and categorizing paper documents of a research projet). The thing is that in september, my semester is over and other students will have to taker over the project (and so on, for every semester!), so I'd need something that would be free and OS agnostic (or at least OsX/Windows) so it would easily be given to the next students on the project. I was thinking about a WAMP running USB key that would have a MySQL / HTML interface, but it will become locked to the OS I choose first. LibreOffice and the likes will be an option in the end if I don't find anything truly portable. Anyone has a solution in mind?

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• How do I get back hard drive space after I have uninstalled Ubuntu from Windows?

  - by Shantanu

  I installed Ubuntu on windows like it says to do it on Ubuntu's website as an application. I did not want it to create a separate partition on my hard drive. A few days ago, I uninstalled Ubuntu by going into the Windows control panel and hitting uninstall. As you would expect, I would get back my 100 or so gb on the disc. i never really installed anything of importance on ubuntu so i never had a second thought about uninstalling it. But I never got back my 100gb from Ubuntu. Now when I add up all of the folders on my c drive, they total to the amount I had on windows before I uninstalled Ubuntu but when I look at the My Computer screen, it says that another 100 or so gb is missing. I tried defragmenting the disc, downloading various disc managers but nothing fixed the space problem. Can anyone please help me with this!!??? Any help is much appreciated! Just making sure: UBUNTU WAS NOT ON A SEPARATE PARTITION, IT WAS INSTALLED AS AN APPLICATION ON WINDOWS. It tells yuo how to do this here except i did it with a much older version (i think it was 8.04 or soemthing): http://www.ubuntu.com/download/help/install-ubuntu-with-windows

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• ZFS and SAN -- best practices?

  - by chris

  Most discussions of ZFS suggest that the hardware RAID be turned off and that ZFS should directly talk to the disks and manage the RAID on the host (instead of the RAID controller). This makes sense on a computer with 2-16 or even more local disks, but what about in an environment with a large SAN? For example, the enterprise I work for has what I would consider to be a modest sized SAN with 2 full racks of disks, which is something like 400 spindles. I've seen SAN shelves that are way more dense than ours, and SAN deployments way larger than ours. Do people expose 100 disks directly to big ZFS servers? 300 disks? 3000 disks? Do the SAN management tools facilitate automated management of this sort of thing?

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• Incremental Backup which also is imageable

  - by qwertymk

  I'm looking for a backup program that does incremental backups and that I can use to completely flush onto my main HD. For example I use the C:\ as my main drive and have E:\backups... as my backup, what I want is to be able to have it make incremental backups but such that if my computer becomes infested I can just choose an earlier snapshot and restore my entire HD to that image. I'm also looking for something that had auto scheduling but I'm guessing they all do. I really would like it if there is an open source option that does this, but everything I tried doesn't seem to have an "imaging" option. Is there any open source programs that does this (for windows 7 64bit)? If not I would also use any free non-open-source options

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• WinXP Movie Maker Codec Error

  - by Bob Rivers

  I'm trying to use Windows XP Movie Maker, but when I try to import an AVI video, it shows an error telling me that it wasn't import due to an the fact that the codec wasn't available (I'm able to see the video using the windows media player) First, the error message suggested to enable the option "download codecs automatically" under "tools options general". I did it. But know the error tells me that the codec wasn't available and, if I already installed it, I should reinitialize movie maker. I also already did it... The error msg is: The file D:\movie1.avi cannot be imported because the codec required to play the file is not installed on your computer. If you have already tried to download and install the codec, close and restart Windows Movie Maker, and then try to import the file again. Any hints?

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• Password manager solution: Symbian based phone and a Linux machine (Windows is not important, but wo

  - by Kent

  Hi, I currently use KeePassX to manage my passwords on my Linux (Xubuntu) machine. It's nice to have all the passwords encrypted, but sometimes I'd like to be able to tell a password when I'm on the run. Therefore I'm looking for a solution which I can synchronize with my phone. I have a Nokia N82 which is a Symbian OS v9.2 based phone for the S60 3rd Edition platform with Feature Pack 1. I like an open source solution if it's possible. In case it isn't I wouldn't mind paying for a good solution. If Windows may be added to the synchronization mix it's nice, but it's absolutely not a primary requirement (I don't even have any computer running Windows).

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• Transfer nearly an entire file system to a fresh install as smoothly as possible

  - by Xander

  I've got a friend who needs his computer working in just a few hours. His files are safe, however, he managed to corrupt his main install of Windows 7. My plan is to go in with a Linux disk, copy his C:\ do a backup drive I've got and then reinstall. Restoring many of his files will be pretty simple (such as documents and such), however, things such as applications won't transfer as easily. Is there any easy way to transfer applications such as MS Office (which he needs in the morning) or other commercial software packages without having to go through the hassle of locating the keys and reinstalling them completely? I don't think just moving them over will work just because of the fact that I'm sure much of that is stored in the registry (validation stuff and such). Anyways, quick responses would be super nice! Also, additional help would be great!

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• ArchBeat Link-o-Rama Top 10 for November 2, 2012

  - by Bob Rhubart

  ADF Mobile - Login Functionality | Andrejus Baranovskis "The new ADF Mobile approach with native deployment is cool when you want to access phone functionality (camera, email, sms and etc.), also when you want to build mobile applications with advanced UI, " reports Oracle ACE Director Andrejus Baranovskis. Big Data: Running out of Metric System | Andrew McAfee Do very large numbers make your brain hurt? Better stock up on aspirin. According to Andrew McAfee: "It seems safe to say that before the current decade is out we’ll need to convene a 20th conference to come up with some more prefixes for extraordinarily large quantities not to describe intergalactic distances or the amount of energy released by nuclear reactions, but to capture the amount of digital data in the world." Cloud computing will save us from the zombie apocalypse | Cloud Computing - InfoWorld "It's just a matter of time before we migrate our existing IT assets to public cloud systems," says InfoWorld cloud blogger David Linthicum. "Additionally, it's a short window until the dead rise from the grave and attempt to eat our brains." Is is Halloween or something? Thought for the Day "A computer lets you make more mistakes faster than any invention in human history—with the possible exceptions of hand guns and tequila." — Mitch Ratcliffe

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• How to create an Orthographic display in OpenGL (ES) that handles different screen sizes and orientations?

  - by Piku

  I'm trying to create an iPad/iPhone game using GLES2.0 that contains a 3D scene with a heads-up-display/GUI overlaid on the top. However, this problem would also apply if I were to port my game to a computer and run the game in a resizable window, or allow the user to change screen resolutions... When trying to make the 2D GUI/HUD work I've made the assumption that all I'm really doing is drawing a load of 2D textured 'quads' on the screen and am trying to treat the orthographic projection as an old-style 2D display with 0,0 in the upper left and screenWidth,ScreenHeight in the lower right. This causes me all sorts of confusion when I rotate my ipad into Landscape mode since I can't work out what to put into my projection and modelview matrices to turn everything around the right way. It also gets messy if I want to support the iPad's large screen, an iPhone or a Retina display since I have to then draw three sets of textures for everything and work out which ones to use. Should I be trying to map the 2D OpenGL co-ords 1:1 with the screen? While typing out this question it occurs to me that I could keep my origin in the centre, still running -1/+1 along the axes. This would let me scale my 2D content appropriately on the different screen sizes, but wouldn't I end up with the textures being scaled and possibly losing quality? I'm using OpenGLES 2.0 and have a matrix library that has equivalents to the GLES1.1 glOrthof() and glFrustrum() calls.

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• Accessing internal server eg 192.168.10.10 without using remote desktop

  - by bergin

  Hi there My boss has an intranet he wants his employees to gain access to from the WWW. Theres a sharepoint server running on 192.168.10.10 and SBS can be seen from a website 81.244.232.22 (some numbers like this). When you access, theres a default internal sharepoint site "companyweb" but we dont want to use that we want the main sharepoint site which has all the business on it. is this possible? Currently we have to connect to a computer, chose the server and then get in that way. Any ideas?

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• Accessing internal server eg 192.168.10.10 without using remote desktop

  - by bergin

  Hi there My boss has an intranet he wants his employees to gain access to from the WWW. Theres a sharepoint server running on 192.168.10.10 and SBS can be seen from a website 81.244.232.22 (some numbers like this). When you access, theres a default internal sharepoint site "companyweb" but we dont want to use that we want the main sharepoint site which has all the business on it. is this possible? Currently we have to connect to a computer, chose the server and then get in that way. Any ideas?

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