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• How to configure path or set environment variables for installation?

  - by Orr22

  I'm aiming to install APE in Ubuntu 14.04 LTS, a simple code for pseudopotential generation. I'm having this error message while running ./configure: checking for gsl-config... no checking for GSL - version >= 1.0... no *** The gsl-config script installed by GSL could not be found *** If GSL was installed in PREFIX, make sure PREFIX/bin is in *** your path, or set the GSL_CONFIG environment variable to the *** full path to gsl-config. configure: error: could not find required gsl library I checked and I have the GSL already installed: :~/Programas/ape-2.2.0$ dpkg -l | grep gsl ii libgsl0ldbl 1.16+dfsg-1ubuntu1 i386 GNU Scientific Library (GSL) -- library package So I have the library but the program installation isn't finding it. Any help? Thanks in advance

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• What is supposed to happen when you install Gmail webapp?

  - by ubuntico

  I have installed Gmail (and other Google as well) webapps into Ubuntu 14.04 64-bit. After that I rebooted the system hoping that webapps will integrate into the system. But after logging back to the system, I see no changes. If I click on email envelope (top bar), I don't see my inbox. Also if I try to search email in Dash via gmail keyword, nothing happens as well. Am I using this wrongly or webapps don't work? What was supposed to happen when I install webapps? Note: I did start the Gmail app from Dash and logged in

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• unity bar not looking as supossed to

  - by Migue Garcia Ortiz

  hi everyone i'm still a newbie on linux ubuntu but there's a problem that's been bugging me and i haven't found an answer yet i recently upgrade from 12.04 to 12.10 and everything was fine but suddenly my pointer stop working and i was able to fix that however the menus on my computer started to look horrible like an old version of windows i'll leave a screenshot and i hope someone can help me thx in advance screenshot so you know what i'm talking about

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• My computer will not reboot after fresh install of ubuntu 12.04LTS

  - by user170715

  I bought a new computer yesterday and it came with Windows 8. When installing Ubuntu, i choose the erase and install option thinking that Ubuntu would install easily like it did for my old laptop... After a successful install and following the instructions telling me to reboot to finish installation and remove installation media. It worked and my computer booted fine, however once I began installing updates via update manager and activating additional driver {ATI/AMD proprietary FGLRX graphics driver (post-release updates)} out of the following: Experimental AMD binary Xorg driver and kernel module ATI/AMD proprietary FGLRX graphics driver (*experimental*beta) ATI/AMD proprietary FGLRX graphics driver (post-release updates) Then reboot to finish making changes I reboot and get an error (Reboot and select proper boot device) At this point I was stuck, so I eventually reinstalled ubuntu and repeated the exacted same steps until right before i rebooted to finish making changes. However this time i used this Boot Repair tool sudo add-apt-repository ppa:yannubuntu/boot-repair sudo apt-get update sudo apt-get install -y boot-repair boot-repair After running the program i get a "boot successfully repaired" message. Then I try to reboot again and get the GNU Grub screen where it says would you like to boot: normal recovery memorytest Once it begins loading, you see the code moving across the screen then it pauses when it gets to and doesnt do anything. If someone could tell me how to fix this or get Windows 8 back soon, I'd appreciate it because like i said i just bought it yesterday and now i cant even use it.

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• How to fix "error: unknown file system" on all available partitions

  - by Jonathan

  I've had a running problem with removing Linux from my Windows 7 laptop. Initially, it was installed as a dual-boot, and worked well. To remove, I deleted the partitions on my laptop. This removed grub, and I was left with needing to enter: set root=... set prefix=... insmod normal normal each restart. I didn't restore the Windows boot-loader and have since re-partitioned my drive. Now, upon reaching the command prompt screen, an ls query showshd0, with three partitions, but none of them have a recognizable boot-loader as each returns with error: unknown file system. Booting from a Windows 7 rescue disk doesn't seem to work, as it sends me to the same command prompt terminal. All I'm looking to do is restore the boot-loader, either grub or Windows 7. Any help would be appreciated. Thanks in advance.

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• mounting linux partition after installing windows

  - by varsketiz

  I installed windows 7 and my grub is gone. I'm trying to follow: https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows but I can't mount my ubuntu partion. sudo fdisk -l Device Boot Start End Blocks Id System /dev/sda1 * 1 13 102400 7 HPFS/NTFS Partition 1 does not end on cylinder boundary. /dev/sda2 13 4863 38958080 7 HPFS/NTFS /dev/sda3 4864 14594 78157825 5 Extended /dev/sda5 14220 14594 2999296 82 Linux swap / Solaris Gparted shows my Extended partition as empty/unallocated space (???). How can I mount it? sudo mount -t ext3 /dev/sda3 /media/ubuntu mount: wrong fs type, bad option, bad superblock on /dev/sda3, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so

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• GeForce and Radeon: what is present condition of opensource and proprietary drivers?

  - by Septagram

  So, it'm about to buy a fresh videocard. Since I do most of my stuff on Linux, I wonder how well will either videocard perform. I recently had a good experience with GeForce 6600 with proprietary drivers and a less than satisfactory experience with Radeon 9000 a while ago. From my experience, proprietary drivers for GeForce used to work very well, while proprietary drivers for Radeon failed miserably. And opensource drivers were sloooow. A few months ago I found out that ATI opened their specifications, and a work on fully featured opensource driver is in progress. I prefer to use free software whenever possible, with the exception of games, so, if that driver is fast enough, feature-rich enough and reliable enough I'd very much like to try it out. I wish I could say that if I can just to basic things, like watch video, heavily use compiz and work with simple applications, this may be enough. I do most of my gaming under Windows anyway. However, there is a good chance I'll go into indie game development in a few months fulltime, so it should also be able to run not-so-very-demanding games (say Nexuiz). But if it isn't, I'd like to know, what to expect from proprietary drivers. Do recent proprietary drivers from NVIDIA and ATI work well? Are ATI drivers just as easy to install on Ubuntu as are NVIDIA drivers?

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• Unable to Install Guard

  - by Dillmo

  I've seen Guard and it's usefulness in web development and would like to install it. Naturally, I expected to be able to use sudo gem install guard to do so (yes, it is a Ruby Gem). However the installation errors out. Here is what I'm getting: Building native extensions. This could take a while... ERROR: Error installing guard: ERROR: Failed to build gem native extension. /usr/bin/ruby1.9.1 extconf.rb /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- mkmf (LoadError) from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require' from extconf.rb:4:in `<main>' Gem files will remain installed in /var/lib/gems/1.9.1/gems/ffi-1.9.3 for inspection. Results logged to /var/lib/gems/1.9.1/gems/ffi-1.9.3/ext/ffi_c/gem_make.out Does anyone know how I can fix this? Thanks for any help.

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• Unable to locate Grizzly packages in Ubuntu 13.04 Server

  - by user162681

  I have installed Ubuntu 13.04 server in my x86 based laptop and then added the desktop packages on top of it. I have downloaded all the packages using apt-get. I have MySQL, PostgreSQL, Python 3.3, etc. But I am unable to locate Grizzly-specific Nova, Swift, and Glance packages (OpenStack). I am using this command: dpkg -l | grep Nova dpkg -l | grep Glance etc. Isn't Ubuntu 13.04 Server supposed to come with Grizzly automatically?

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• How can I correct the paper size (A4) for Canon i560 printer for 12.04?

  - by Peter

  How can I correct the paper size (A4) for Canon i560 printer for 12.04? Canon i560-Paper size error-with printer driver for Ubuntu 12.04 Precise Pangolin offers the same problem, but the answers are not very helpful/elegant to me. Especially the second is far too imprecise and the dimensions for A4 suggested there do not seem to be correct as they do not match with any other (and correctly working) A-Size dimensions. My i560.ppd has for A4 a length of [842] which is then the width for A3 throughout the ppd-file. A3 printouts are fine (So just the way it should be). A4 are not. Cannot figure out why.

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• Why can't non-admin users install software?

  - by fiftyeight

  This is probably something I don't understand since I am used to Windows and am only starting out with Ubuntu. I know that software in linux comes in packages what I don't understand is why can't non-admin users install software. I mean, every application is run by a specific user, and that user will only be able to run that applciation with his privilages, so if he has no admin privileges, the application also won't be able to access unauthorized directories etc. I want most of the time to work on my PC with a non-admin user since it seems more safe to me, most of the time I have no need for admin privileges. and even though I know viruses in linux are uncommon I still think the best practice is to work on the computer in a state that you yourself can't make any changes to important files, that way viruses also can't harm any important files, but I need to install software for programming and web-design etc. and first of all I don't want to switch users all the time. But also it sounds safer to me that everything being done on the PC will be done through the non-admin user. I'll be glad to know what misunderstanding I have here, cause something here doesn't sound right.

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• My application quicklist goes missing when using "quickly submitubuntu"

  - by Kazade

  I'm trying to submit my app for the app showdown, but I've just noticed that when I use the "submitubuntu" Quickly command, my dynamic quicklist entries don't work. I think this is because the desktop file gets renamed from tickit.desktop to extras-tickit.desktop I'm coding a hacky fix to look for /usr/share/applications/extras-tickit.desktop and changing the argument for get_for_desktop_id() if it exists, but is there a better way? Can I stop Quickly renaming the desktop file?

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• Network connection on an Acer Aspire 5253?

  - by fuquam

  Brand new to Ubuntu and PCs for that matter. I've been a Mac user all my life but wanted to try Ubuntu on the cheap so I bought an Acer laptop 5253-BZ893. I got Ubuntu 10.10 installed with no problem. The only problem I have is I have no network connection options, wired or wireless. I just get "No Network Devices Available". The computer came with Windows 7 installed and I'm able to connect to my wireless network fine using Windows so I know the computer works. I've been searching forums and google for hours trying to figure out why I can't get a network connection using Ubuntu but so far no luck. Any suggestions? Thanks in advance.

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• I can't capture the output screen of a game tutorial

  - by user12543

  Hello, I'm trying to do a screen capture with gtk-recordmydesktop and other capture tools but for some reason, it will not capture an output screen while its running. It captures one screen but doesn't show the rest. I can capture my screen running if I use my flip camcorder but recordmydesktop will not work. Is there a way to capture live video playing on the desktop without using an outside camera? Brian

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• XUbuntu won't boot

  - by Slava Fomin II

  I can't properly boot my XUbuntu desktop. It just hangs on the console without any visible errors. The only way i can boot it properly is choosing "recovery mode" in GRUB and then selecting "continue booting" in recovery menu. It's really annoying. I provide some logs here: http://www.sendspace.com/filegroup/mQ%2FzdWvVcrjB3dz4vVqjsw Please advise! If you need some additional information i will be glad to provide it. Any hints and support will be much appreciated.

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• aticonfig detects all graphics cards, but amdcccle shows the cards as disabled

  - by DevZer0

  I been having the strangest problem since few days ago. I have 3 ATI graphics cards and the aticonfig --list-adapter shows the following output * 0. 01:00.0 AMD Radeon HD 7900 Series 1. 02:00.0 AMD Radeon HD 7900 Series 2. 05:00.0 AMD Radeon HD 7900 Series when i do aticonfig --adapter=all --initial -f it generates the correct X config also. but after rebooting the output only show on primary monitor and when i look in amdcccle it shows the other 2 adapters as disabled. I tried with monitors attached and dummy plugs both but the situation doesn't change. Any idea whats causing this? also right clicking and making the adapter enabled in amdcccle and saving changes causes the X config to only have the adapter section and no screen section. after reboot the situation stays the same.

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• Alt/Shift key not released after switching keyboard layout

  - by szx

  Sometimes when I switch layout using either Alt+Shift or Ctrl+Shift the Alt key is not recognized as being released thus if I press e.g. F a File menu opens up. Last time that happend I lost all data I filled into a text form on a webpage because I pressed the Home key while typing and Firefox suddenly went to my home page! Moreoever, it still remains unreleased after hundreds of keypresses like if I'm holding it! Same goes for the Shift key. I would rather file a bug at Launchpad if I could but I have no clue what fucking package name should I type in the ubuntu-bug command! Have anyone else had this issue? Can you suggest a solution or maybe another place to report this bug?

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• How to install wvdial without getting the following error?

  - by chndn

  When I ran the command: sudo apt-get install wvdial I got this error message : error p@p:~$ sudo apt-get install wvdial Reading package lists... Done Building dependency tree Reading state information... Done Package wvdial is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package wvdial has no installation candidate p@p:~$ So how can I install wvdial? I don't have access to internet from Ubuntu for direct installation. Please help

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• Launcher tooltip display issues

  - by Tudor

  I've just installed Ubuntu 12.04.1, and it seems that i have some issues with the launcher: if i hover the mouse on an icon, it shows an horizontal line instead of the icon's name. if i hover it again, then it will show me the correctly displayed name, in label and all. The thing is pretty annoying. First hover no label (just that line), second hover, label. Video drivers are installed ! Any thoughts? Thank you

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• Touchpad stops working after desktop shows up

  - by gsedej

  Hi! I have problem with touch-pad. It is not working correctly. It goes like this. When laptop is booting, right after desktop shows, I can move mouse with touch-pad for a second, but when icons shows up, touch-pad does not want to move cursor at all. Even buttons stops work. The same problem with Ubuntu 10.04 and Ubuntu 10.10 I can see "Touchpad" tab in "Mouse" menu, and I can even set "two finger scrolling". I checked in gconf-editor under "desktop-gnome-pheriferals-touchpad" and it's enabled. Furthermore I checked xinput and it is as it should be: SynPS/2 Synaptics TouchPad id=11 [slave pointer (2)]. I tried to create new master reattach but still nothing... EDIT: Laptop has fn + F7 to control touch-pad. Ubuntu shows bobble showing touchpad OFF and touchpad ON. But it does nothing. No matter if it say ON, it still does not work.

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• Getting photos and music on/off samsung/google galaxy nexus (ice cream sandwich) phone

  - by wim

  I am having trouble to access the filesystem on my phone. It just worked in previous version of Ubuntu, but now it appears empty whether it is mounted with MTP or PTP. I have followed a few guides on building and reinstalling libmtp etc without success. This answer did not help for me, either, and gMTP just hangs when I click the connect button. I know I can use wifi e.g. airdroid to access my photos, but this is too slow and a bit clumsy for me, and downloaded photos lose their original timestamps. Has anyone had success connecting to this phone on 12.04 ??

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• how to install/compile CORSIKA/FLUKA for Ubuntu x32 12.04?

  - by Pantea Davoudifar

  I want to use some programs (CORSIKA/FLUKA) which are essentially designed for 32 bit systems. so I installed Ubuntu 12.04 32 bit on my system (Intel® Core™ i7-2700K CPU @ 3.50GHz × 8). Before this I had installed Ubuntu 9.10 (32-bit) on an older system and installed g77 from hardy repositories, compiled those programs without any problem. But this time when changing the repositories, g77 could not be installed even i removed all the things that i thought make this installation impossible, for example I need gcc-3.4 and removed all newer versions and tried to install them from hardy repositories. but the problem is that, whenever I have g77, corsika does not compile, and whenever I remove it, fluka does not compile, and also i received a error messages like this: crt1.o not found in /usr/bin/lb. In fact these .o files does not exist on my system user/bin/lb I have no directory lb there? I do not know how to link it? Or do i need to reinstall everything?

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• Low-res emacs24 icon in application switcher 12.10

  - by MTS

  I recently upgraded to Quantal, and also switched up to emacs24 from 23. Everything is great, except for one thing: the icon in the Application Switcher for emacs24 is a horrible, low-resolution eyesore. Compare the two side-by-side: I've seen a couple of questions addressing issues like this, but they're not quite the same. This one says that it is happening with all icons, but that's clearly not the case here. And this one seems more relevant, but it is talking about Gnome, not Unity. In the comments to the one answer for the second question, it says to look at the icons in /usr/share/icons to see if they are low-resolution, and if so to replace them with better ones. There's a ton of emacs icons, in fact. They are in various subfolders of /usr/share/icons/hicolor and they are in sizes ranging from 16x16 to 128x128, and also there are scaleable .svg versions of the icons too. I noticed that there are no 192x192 or 256x256 versions. But it seems like that shouldn't matter, since emacs23 also didn't have icons in those sizes. Any help would be much appreciated!

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• Music Manager that can properly see ID3 ratings tags and synchronize with Android

  - by Sebastian

  I'm moving from Windows 7 to Ubuntu, and so far the experience has been a really good one :) However, there is something that I've used to do with Windows 7 that I can't find how to do in Ubuntu: From my Windows music manager programs (either MediaMonkey or Windows Media Player) I could set song ratings in a way that the ratings set from either program could be also read from the other one. Additionally, song ratings were visible and updated in my iPod Touch when I synch'ed my music (either manually or using iTunes). To sum up, it seems that MediaMonkey, WMP, and the iPod device use standard mp3 metadata tag for ratings. Now, using Ubuntu 12.04, and now with an Android device: Rhythmbox can't see the song rates, despite those ratings can be seen by MediaMonkey and MS Music Player when I boot with Win7. Is this an issue I can fix with some setting? Is there any program I can use to accomplish this? What do you recommend to sync my music with Android (4.0, Galaxy s2), also keeping the song ratings information updated between Android and my PC? Thanks!!

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• blurry images with mogrify & convert

  - by user140393

  Does anyone know why this image is so blurry? I did a convert from pdf to png and it turned out like that. Before deleting imagemagick and it's entire toolset from software-center most of my image programs were displaying like this image. Now for the most part it's just blurry, though a couple still display like that such as gimp. I am running in xfce maybe it's to do with the distribution enviornment. Main issue is the absurd blurriness. I reinstalled all additional packages that were available for imagemagick in the software-center I use convert *.pdf *.png & mogrify -format png *.pdf to convert Now on the other hand if I converted the file to djvu and converted that to a tif. The images have no problem converting. More so it does not generate an oversized tif file of around 25mb compared to 3mb with djvu which is super clear & no blurriness.

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