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• How to fix the boot loader with an installation disk at hand

  - by Bragboy

  Hi, I recently messed up my Master Boot Record and my system is not booting. I was dual booting Windows and Ubuntu. Both of them are not loading now. I don't care if I lose my windows, but I want my Ubuntu back!! How to get it (I have a fresh Ubuntu 10.10 LTS disk with me). I went through the install wizard but feared that I may loose my existing installation/setup. Thats why I came here to check what is the ideal procedure to only update the Boot record instead of a full installation.

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• logcheck: (CRON) error (grandchild #4266 failed with exit status 127)

  - by vincent

  for my Ubuntu 10.04 LTS server, logcheck send me this log: Nov 14 08:10:01 servername CRON[4265]: (CRON) error (grandchild #4266 failed with exit status 127) Nov 14 08:10:01 servername CRON[4264]: (CRON) error (grandchild #4267 failed with exit status 127) Nov 14 08:20:01 servername CRON[4285]: (CRON) error (grandchild #4286 failed with exit status 127) Nov 14 08:20:01 servername CRON[4284]: (CRON) error (grandchild #4287 failed with exit status 127) Nov 14 08:30:01 servername CRON[4294]: (CRON) error (grandchild #4295 failed with exit status 127) Nov 14 08:30:01 servername CRON[4293]: (CRON) error (grandchild #4296 failed with exit status 127) Nov 14 08:40:01 servername CRON[4311]: (CRON) error (grandchild #4312 failed with exit status 127) this is an error of execution to cron [127 = command not found]. if I run the command "crontab -l" for each user, I do not see any cron to any user. You have any ideas?

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• How can one unlock a fully encrypted Ubuntu 11.10 system over SSH at boot?

  - by Jeff

  In previous versions of Ubuntu, and current versions of Debian, you can unlock a fully encrypted system (using dmcrypt and LUKS) at boot time over SSH. It was as easy as: Installing the encrypted system using the Ubuntu alternate installer disk or normal Debian installer disk and choosing to encrypt the system. After the system is installed, adding the dropbear and busybox packages. Updating the initram-fs to authorize your ssh key. At boot time, you'd just ssh to the machine, and do: echo -ne "keyphrase" > /lib/cryptsetup/passfifo The machine would then unlock and boot the encrypted system. Using the exact same steps on Ubuntu 11.10, I can ssh to the machine, but /lib/cryptsetup/passfifo doesn't exist. There appears to be no way to unlock the system over ssh. I'm not sure where to look to see if this functionality changed or if it was removed.

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• Equivalent to Freedom and/or Anti-Social?

  - by mummey

  Freedom: http://macfreedom.com/ Anti-Social: http://anti-social.cc/ Simply put: Where can I find a equivalent to either-or/both these apps? Note: Part of the appeal of these apps is allowing the user to explicitly make it extra difficult to re-enable these services. Unplugging the network cable might seem to achieve the same results from an glance, but the added difficulty in re-enabling those services is what makes these apps valuable.

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• 10.10 irritating updater message

  - by Ashu

  As you all know 10.10 support has ended. thus whenever i start the update manager i get a dialog box saying Your Ubuntu release is not supported anymore You will not get any further security fixes or critical updates. Please upgrade to a later version of Ubuntu Linux. any way to remove this? that is really bugging me. ps. updating to a newer version is not an option now the screenshot

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• Do we really need a thousand Linux distributions?

  - by nebukadnezzar

  Pointed from an answer to a (possibly related) question, I came across this graphic, and I'm shocked how many linux distributions currently exist. However, it seems that most of these distributions are forks of already popular distributions with minimal changes, usually limited to themes, wallpapers, buttons, the kind of stuff most people probably wouldn't see as a reason to fork a Linux distribution. Of course, someone will always say "Opensource is also about the freedom of choice", and while I wholeheartedly agree, I do not believe that this is a valid reason to fork an already perfectly working Distribution into a new one, which might possibly result in less security/stability due to smaller group of developers. There's another problem: Those, who want to switch to Linux, are confronted with a neverending list of Linux distributions, and wonder rightfully which they're supposed to chose (infact, I was facing that problem before I've discovered Ubuntu). There might be (very few) valid reasons to fork a distribution: Specializing on a particular topic (FOSS Only, work-related topic (i.e., for a Hospital), etc) An exceptional architecture, that requires a special set of software Use of non-FOSS, propietary technology, and such But even with these points in mind, it would still seem easier to create a subdistribution with the required changes, such as XUbuntu with XFCE4, KUbuntu with KDE4, Fluxbuntu with Fluxbox, etc. So, why exactly do we need so many distributions?

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• How do I use ffmpeg to take pictures with my web camera?

  - by user45583

  I want to use ffmpeg to store images taken by my USB web camera on my Ubuntu 11.10. lsusb outputs: Bus 002 Device 003: ID 0c45:6028 Microdia Typhoon Easycam USB 330K (older) The camera works fine using cheese but I want to use command line tools to make it scriptable but if I try: ffmpeg -i /dev/v4l/by-id/usb-0c45_USB_camera-video-index0 image.jpg The output is: user@box:~$ sudo ffmpeg -i /dev/v4l/by-id/usb-0c45_USB_camera-video-index0 image.jpg [sudo] password for user: ffmpeg version 0.7.3-4:0.7.3-0ubuntu0.11.10.1, Copyright (c) 2000-2011 the Libav developers built on Jan 4 2012 16:21:50 with gcc 4.6.1 configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --enable-shared --disable-static WARNING: library configuration mismatch avutil configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay avcodec configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay avformat configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay avdevice configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay avfilter configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay swscale configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay postproc configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay libavutil 51. 7. 0 / 51. 7. 0 libavcodec 53. 6. 0 / 53. 6. 0 libavformat 53. 3. 0 / 53. 3. 0 libavdevice 53. 0. 0 / 53. 0. 0 libavfilter 2. 4. 0 / 2. 4. 0 libswscale 2. 0. 0 / 2. 0. 0 libpostproc 52. 0. 0 / 52. 0. 0 /dev/v4l/by-id/usb-0c45_USB_camera-video-index0: Invalid data found when processing input How do I make this work?

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• .wine-pipelight folder not present

  - by DaimyoKirby

  Following the instructions on the pipelight installation page, I installed pipelight on Ubuntu 14.04. However, upon opening firefox the .wine-pipelight folder isn't present in my home folder, and I get the following errors: [PIPELIGHT:LIN:unknown] attached to process. [PIPELIGHT:LIN:unknown] checking environment variable PIPELIGHT_SILVERLIGHT5_1_CONFIG. [PIPELIGHT:LIN:unknown] searching for config file pipelight-silverlight5.1. [PIPELIGHT:LIN:unknown] trying to load config file from '/home/alden/.config/pipelight-silverlight5.1'. [PIPELIGHT:LIN:silverlight5.1] basicplugin.c:427:checkSilverlightGraphicDriver(): error in execlp command - probably silverlightGraphicDriverCheck not found or missing execute permission. [PIPELIGHT:LIN:silverlight5.1] basicplugin.c:441:checkSilverlightGraphicDriver(): GPU driver check - Your driver is not in the whitelist, hardware acceleration disabled. [PIPELIGHT:LIN:silverlight5.1] using wine prefix directory /home/alden/.wine-pipelight. [PIPELIGHT:LIN:silverlight5.1] checking plugin installation - this might take some time. [PIPELIGHT:LIN:silverlight5.1] basicplugin.c:374:checkPluginInstallation(): error in execvp command - probably dependencyInstaller/sandbox not found or missing execute permission. [PIPELIGHT:LIN:silverlight5.1] basicplugin.c:384:checkPluginInstallation(): Plugin installer did not run correctly (exitcode = 1). [PIPELIGHT:LIN:silverlight5.1] basicplugin.c:108:attach(): plugin not correctly installed - aborting. I've reinstalled quite a few times and ran through many of the common fixes offered on the pipelight Launchpad pages and here on AskUbunta and still it fails to run. Is there a reason why this folder isn't present, or why I'm getting these errors? Edit: Oddly enough, the .wine-pipelight folder is created wtih I open Nitro, although this still doesn't fix the issue.

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• Google-Chrome 10 stable crash on every page

  - by Achu

  I installed google-chrome today, when i open any page including askubuntu i got this error message. i see my memory usage is normal(Memory 56% and swap 4.8%) also I reload and i go to another page same problem What is the problem? the last dmesg output [26612.341865] lo: Disabled Privacy Extensions [29651.852476] chrome[15472] general protection ip:1528e26 sp:7fff514a9dc0 error:0 in chrome[400000+3082000] [31447.190586] [UFW BLOCK] IN=eth1 OUT= MAC=00:1c:25:a1:e7:67:00:16:3e:28:5a:b7:08:00 SRC=172.23.100.6 DST=172.23.20.128 LEN=69 TOS=0x00 PREC=0x00 TTL=128 ID=15939 PROTO=UDP SPT=4243 DPT=161 LEN=49 [31451.250190] [UFW BLOCK] IN=eth1 OUT= MAC=00:1c:25:a1:e7:67:00:16:3e:28:5a:b7:08:00 SRC=172.23.100.6 DST=172.23.20.128 LEN=69 TOS=0x00 PREC=0x00 TTL=128 ID=16180 PROTO=UDP SPT=4243 DPT=161 LEN=49 [31454.260150] [UFW BLOCK] IN=eth1 OUT= MAC=00:1c:25:a1:e7:67:00:16:3e:28:5a:b7:08:00 SRC=172.23.100.6 DST=172.23.20.128 LEN=69 TOS=0x00 PREC=0x00 TTL=128 ID=16322 PROTO=UDP SPT=4243 DPT=161 LEN=49 [31458.648164] [UFW BLOCK] IN=eth1 OUT= MAC=00:1c:25:a1:e7:67:00:16:3e:28:5a:b7:08:00 SRC=172.23.100.6 DST=172.23.20.128 LEN=69 TOS=0x00 PREC=0x00 TTL=128 ID=16513 PROTO=UDP SPT=4243 DPT=161 LEN=49 [33124.300112] lo: Disabled Privacy Extensions [33601.021406] Skipping EDID probe due to cached edid [34594.043501] chrome[15746]: segfault at 0 ip 0000000000d5cdd0 sp 00007fff5149ec20 error 6 in chrome[400000+3082000] [34597.395334] chrome[18112] general protection ip:17c85bf sp:7fff514aa4f0 error:0 in chrome[400000+3082000] [34616.786643] chrome[18124]: segfault at 1007 ip 00000000017c849f sp 00007fff514aabd0 error 4 in chrome[400000+3082000] [37277.436207] lo: Disabled Privacy Extensions [38549.501390] e1000e: eth1 NIC Link is Down [38551.122253] e1000e: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX [38551.122263] e1000e 0000:00:19.0: eth1: 10/100 speed: disabling TSO

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• Desktop Fun: Auroras Wallpaper Collection Series 2

  - by Asian Angel

  Auroras are truly a one of a kind visual experience that can leave you breathless and filled with wonder. Turn your desktop into a phenomenal display of color and light with the second in our series of Auroras Wallpaper collections. 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 minimize a window using mouse in PCManFM?

  - by Mithun P

  How can I minimize a window using mouse in PCManFM? I'm using Elementary Desktop Environment in Ubuntu 12.04 Update I tried to bring the minimize button back by opening gconf-editor and change the value of /apps/metacity/general/button_layout from close:maximize to close,minimize:maximize. Then I logged out and back in, but that change was simply ignored. Update Again Screenshot And the System settings

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• Does TOR protect privacy of bittorrent clients like Transmission?

  - by rocky

  I am using the Tor bundle and its included browser to initiate torrent downloads with the Transmission client included with Lubuntu. Clicking on a torrent link provides a warning message that external apps are NOT protected by Tor and clicking ok results in normal Transmission start and it begins the download. I have seen assertions in another post answer that Tor starts Transmission using a different profile than the normal $HOME/.config/transmission. However, I see no evidence of the referenced different profile on my system ( $HOME/tor-browser_en-US/.config/transmission). The normal privacy settings provided within Transmission seem inadequate for privacy according to what I have read. Has something changed in how Tor bundle browser (firefox) interacts with supporting apps like Transmission. Tor bundle otherwise seems to be operating correctly. I asked the question in the post but it was deleted by moderator for some reason not given

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• how to get adobe flash fullscreen video fluid with an atom processor?

  - by Antoine Rodriguez

  My system has an atom N270 + intel i915 graphic card. Under Windows I can enjoy 720p bigbuckbunny youtube video fullscreen without any trouble. Under Ubuntu 12.04 I have laggy and choppy fullscreen video and choppy video when not fullscreen. I've seen that under ubuntu the cpu is almost always at 100% use. What I must do in order to have videos playing well under ubuntu ? I've already tried the following : Force flash gpu detection : (no result) : mkdir /etc/adobe echo "OverrideGPUValidation = 1" | sudo tee -a /etc/adobe/mms.cfg grub options (had results but not enough) : i915_enable_rc6=1 i915_enable_fbc=1 i915_lvds_downclock=1 pcie_aspm=force updated intel drivers (glasen ppa) Using chrome instead of firefox (had impact but not enough)

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• Ubuntu 12.04 lightdm dumps to tty. Cannot start GUI interface when booting off harddrive, but can when booting off usb

  - by user72681

  When booting, lightdm dumps to tty. No GUI interface works- this is after a fresh install of Ubuntu 12.04 where the GUI interface works when running off the USB. I have an NVIDIA Corporation G98 [Quadro NVS 420] graphics card. After I call startx from the terminal it still doesn't work. I get the following in the Xorg.0.log: [ 327.718] (--) NVIDIA(0): Memory: 262144 kBytes [ 327.718] (--) NVIDIA(0): VideoBIOS: 62.98.6f.00.07 [ 327.718] (II) NVIDIA(0): Detected PCI Express Link width: 16X [ 327.718] (--) NVIDIA(0): Interlaced video modes are supported on this GPU [ 327.756] (--) NVIDIA(0): Connected display device(s) on Quadro NVS 420 at PCI:3:0:0 [ 327.756] (--) NVIDIA(0): none [ 327.756] (EE) NVIDIA(0): No display devices found for this X screen. [ 328.010] (II) UnloadModule: "nvidia" [ 328.010] (II) Unloading nvidia [ 328.010] (II) UnloadModule: "wfb" [ 328.010] (II) Unloading wfb [ 328.010] (II) UnloadModule: "fb" [ 328.010] (II) Unloading fb [ 328.011] (EE) Screen(s) found, but none have a usable configuration. [ 328.011] Fatal server error: [ 328.011] no screens found /var/log/lightdm/lightdm.log [+0.00s] DEBUG: Starting local X display [+0.00s] DEBUG: X server :0 will replace Plymouth [+0.02s] DEBUG: Using VT 7 [+0.02s] DEBUG: Activating VT 7 [+0.02s] DEBUG: Logging to /var/log/lightdm/x-0.log [+0.02s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0 [+0.02s] DEBUG: Launching X Server [+0.02s] DEBUG: Launching process 1074: /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none [+0.02s] DEBUG: Waiting for ready signal from X server :0 [+0.02s] DEBUG: Acquired bus name org.freedesktop.DisplayManager [+0.02s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0 [+1.38s] DEBUG: Process 1074 exited with return value 1 [+1.38s] DEBUG: X server stopped [+1.38s] DEBUG: Removing X server authority /var/run/lightdm/root/:0 [+1.38s] DEBUG: Releasing VT 7 [+1.38s] DEBUG: Stopping Plymouth, X server failed to start [+1.39s] DEBUG: Display server stopped [+1.39s] DEBUG: Stopping display [+1.39s] DEBUG: Display stopped [+1.39s] DEBUG: Stopping X local seat, failed to start a display [+1.39s] DEBUG: Stopping seat [+1.39s] DEBUG: Seat stopped [+1.39s] DEBUG: Required seat has stopped [+1.39s] DEBUG: Stopping display manager [+1.39s] DEBUG: Display manager stopped [+1.39s] DEBUG: Stopping daemon [+1.39s] DEBUG: Exiting with return value 1 /var/log/lightdm/x-0.log X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.24-31-server x86_64 Ubuntu Current Operating System: Linux oorn 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 x86_64 Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic root=UUID=b25ab072-077d-40f1-95a4-c7fd66acd2f0 ro reboot=pci quiet splash vt.handoff=7 Build Date: 07 May 2012 11:43:21PM xorg-server 2:1.11.4-0ubuntu10.2 (For technical support please see http://www.ubuntu.com/support) Current version of pixman: 0.24.4 Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.0.log", Time: Wed Jun 27 12:51:45 2012 (==) Using config file: "/etc/X11/xorg.conf" (==) Using system config directory "/usr/share/X11/xorg.conf.d" (EE) NVIDIA(0): No display devices found for this X screen. (EE) Screen(s) found, but none have a usable configuration. Fatal server error: no screens found Please consult the The X.Org Foundation support at http://wiki.x.org for help. Please also check the log file at "/var/log/Xorg.0.log" for additional information. ddxSigGiveUp: Closing log Server terminated with error (1). Closing log file.

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• Install packages with unmet dependencies

  - by Alvin Sim

  Hi all, I am trying to install some applications but some of them fail to install. The three applications I tried are Vim, Emacs and GNOME-Do. I am using Ubuntu 10.10 installed as a guest OS in VirtualBox. The kernel version installed is 2.6.35-26. The error I got is : alvinsim@ubuntu:/etc/apt$ sudo apt-get install emacs Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: emacs : Depends: emacs23 or emacs23-lucid but it is not going to be installed emacs23-nox but it is not going to be installed E: Broken packages What is wrong and how do I fix this? Thanks.

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• Ubuntu 13.10 Installing MariaDB when Apt reports MariaDB has unmet dependencies or broken packages

  - by Ecaz

  I have tried everything to install MariaDB on this clean Ubuntu installation but I keep getting this error, Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: mariadb-server : Depends: mariadb-server-5.5 (= 5.5.33a+maria-1~saucy) but it is not going to be installed E: Unable to correct problems, you have held broken packages. I have followed this guide to try and install it, http://www.unixmen.com/install-lemp-server-nginx-mysql-mariadb-php-ubuntu-13-10-server/ And I have also followed the "official" guide on the MariaDB downloads page for 13.10 https://downloads.mariadb.org/mariadb/repositories/ But nothing seems to be working. Edit 1 I have tried both How do I resolve unmet dependencies? and How to install MariaDB? but it still gives me the error I posted above. It's a fresh Ubuntu install with hardly anything installed. Edit 2 All the check boxes are ticket in Updates. I ran: sudo apt-get update && sudo apt-get -f install mariadb-server-5.5"=5.5.33a+maria-1~saucy" And it gave me this error: The following packages have unmet dependencies: mariadb-server-5.5 : Depends: mariadb-client-5.5 (>= 5.5.33a+maria-1~saucy) but it is not going to be installed Depends: mariadb-server-core-5.5 (>= 5.5.33a+maria-1~saucy) but it is not going to be installed E: Unable to correct problems, you have held broken packages.

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• Why does my Grub have two entries for Windows?

  - by Tomas Lycken

  I have a dual boot system with Ubuntu 12.04 and Windows 7, using GRUB2 (with Burg) as boot loader. For some reason, the Windows installation shows up twice in the boot menu: Ubuntu GNU/Linux, with Linux 3.2.0-24-generic Ubuntu GNU/Linux, with Linux 3.2.0-24-generic (recovery mode) Windows 7 (loader) (on /dev/sda1) Windows 7 (loader) (on /dev/sda2) If I look in my partition table, /dev/sda2 is C:\ of the Windows installation, and /dev/sda1 is the "System Reserved" partition (which, IIRC, is Windows' own bootloader). Furthermore, gparted shows /dev/sda2 - but no other partitions - with a boot flag: What is going on here? I'd like to have only the entries for Ubuntu and one entry for Windows in my boot menu - how do I remove one of them?

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• Firefox 12's hardware acceleration on Ubuntu 12.04 LTS

  - by user64943

  After I have installed Ubuntu 12.04 LTS (32 bits), Firefox 12 works fine but without hardware acceleration. Needless to say I have the latest nVidia's proprietary drivers installed and my Firefox Preferences, on "Advanced" tab, "Browsing" section, have the option "Use hardware acceleration when available" checked. I have tried the following things before asking this question: Creating a boolean key "webgl.force-enabled" and set it to true on Firefox's page about:config; Starting a new profile like commented on thread Mozilla Firefox 12 is very slow on Ubuntu 12.04 LTS; I have updated my nVidia driver to version 295.53. And none of this have worked. As you can see below in my Firefox's page about:support report, "Graphics" section shows no "GPU Accelerated Windows": Adapter Description NVIDIA Corporation -- GeForce GTX 460/PCIe/SSE2 Vendor ID NVIDIA Corporation Device ID GeForce GTX 460/PCIe/SSE2 Driver Version 4.2.0 NVIDIA 295.53 WebGL Renderer NVIDIA Corporation -- GeForce GTX 460/PCIe/SSE2 -- 4.2.0 NVIDIA 295.53 GPU Accelerated Windows 0 AzureBackend skia I use the following site to test hardware acceleration: http://ie.microsoft.com/testdrive/Performance/FishBowl/ On Windows 7 I get 60 fps even with 1,750 fishes on browser's Full Screen Mode (1680x1050x32bit-color). On Ubuntu 12.04 LTS, same nVidia drivers (as shown in report), won't go faster than 15 fps with only 1,000 fishes. Can anybody help me? Best Regards,

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• Extra buttons on Razer Anansi on Ubuntu 13.04

  - by jjpe

  I own a Razer Anansi keyboard and recently installed 13.04 after running 12.04 for over a year. On 12.04 I used xmodmap to map the thumb and macro keys to do useful stuff for me. This solution is based on keycodes which are triggered when a key is recognized. The problem is that on 13.04 this does not work for all keys anymore. The thumb keys T2, T3 and T4 (i.e. the middle 3 ones on the top of the 2 rows) in particular don't generate keycodes anymore while the rest still does. Now this is not completely surprising: pressing the affected keys in Unity generates notifications for what looks like Unity touchpad notifications. How can I shut that touchpad-subsystem up once and for all and give my keyboard keys back to my keyboard? Ideally I'd like to be able to use my .Xmodmap file again in 13.04 (and beyond) as that seems to me the most simple solution, but working alternatives are also welcome.

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• Wireless is detected, but not connecting. Ethernet works. How to correct the wireless address?

  - by Lucas

  I am running Ubuntu 14.04 with cable internet, and my wireless is detected and connected, but I cannot connect to the internet. I know the problem is with my machine because other machines are connecting to the same router just fine. I can connect via ethernet just fine as well. Here are some notable tests: ping 192.168.0.105 works with 0% packet loss, but ping 192.168.0.1 has 100% packet loss. When I plug in my ethernet, ping 192.168.0.1 works with 0% packet loss. My wireless name is tg, and the router ip is 192.168.0.1 (where I can enter username and password). I suspect that I need to change my wireless address from 192.168.0.105 to 192.168.0.1. Any suggestions on how to proceed? extra info: [lucas@lucas-ThinkPad-W520]/home/lucas$ iwconfig eth0 no wireless extensions. lo no wireless extensions. wlan0 IEEE 802.11abgn ESSID:"tg" Mode:Managed Frequency:2.462 GHz Access Point: 00:02:6F:83:F8:F4 Bit Rate=1 Mb/s Tx-Power=15 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=62/70 Signal level=-48 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:52 Invalid misc:166 Missed beacon:0 [lucas@lucas-ThinkPad-W520]/home/lucas$ ifconfig eth0 Link encap:Ethernet HWaddr f0:de:f1:b2:53:53 inet addr:192.168.0.100 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::f2de:f1ff:feb2:5353/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:980003 errors:0 dropped:0 overruns:0 frame:0 TX packets:498384 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1320506168 (1.3 GB) TX bytes:59780591 (59.7 MB) Interrupt:20 Memory:f3a00000-f3a20000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:21927 errors:0 dropped:0 overruns:0 frame:0 TX packets:21927 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1781719 (1.7 MB) TX bytes:1781719 (1.7 MB) wlan0 Link encap:Ethernet HWaddr 24:77:03:29:8f:dc inet addr:192.168.0.105 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::2677:3ff:fe29:8fdc/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:11828 errors:0 dropped:0 overruns:0 frame:0 TX packets:15444 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:4855662 (4.8 MB) TX bytes:2250585 (2.2 MB) [lucas@lucas-ThinkPad-W520]/home/lucas$ lspci -nn | grep 0280 03:00.0 Network controller [0280]: Intel Corporation Centrino Ultimate-N 6300 [8086:4238] (rev 3e) [lucas@lucas-ThinkPad-W520]/home/lucas$ rfkill list 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: tpacpi_bluetooth_sw: Bluetooth Soft blocked: no Hard blocked: no 2: phy0: Wireless LAN Soft blocked: no Hard blocked: no with ethernet unplugged: [lucas@lucas-ThinkPad-W520]/home/lucas$ route -n | grep UG 0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 wlan0 with ethernet plugged in: [lucas@lucas-ThinkPad-W520]/home/lucas$ route -n | grep UG 0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth0 [lucas@lucas-ThinkPad-W520]/home/lucas$ nm-tool NetworkManager Tool State: connected (global) - Device: wlan0 [tg] ---------------------------------------------------------- Type: 802.11 WiFi Driver: iwlwifi State: connected Default: no HW Address: 24:77:03:29:8F:DC Capabilities: Speed: 52 Mb/s Wireless Properties WEP Encryption: yes WPA Encryption: yes WPA2 Encryption: yes Wireless Access Points (* = current AP) tatum: Infra, 40:8B:07:D8:A5:04, Freq 2437 MHz, Rate 54 Mb/s, Strength 42 W PA WPA2 ums: Infra, 00:20:A6:72:52:BF, Freq 2437 MHz, Rate 54 Mb/s, Strength 59 Alpha 40: Infra, 28:CF:E9:86:59:5D, Freq 5260 MHz, Rate 54 Mb/s, Strength 30 W PA WPA2 thepromiselan: Infra, 58:6D:8F:51:E5:54, Freq 2452 MHz, Rate 54 Mb/s, Strength 34 $ PA WPA2 xfinitywifi: Infra, 06:1D:D5:84:27:A0, Freq 2437 MHz, Rate 54 Mb/s, Strength 52 *tg: Infra, 00:02:6F:83:F8:F4, Freq 2462 MHz, Rate 54 Mb/s, Strength 73 W PA2 ums: Infra, 00:20:A6:A1:9F:25, Freq 2452 MHz, Rate 54 Mb/s, Strength 44 BRIAN-PC_Network:Infra, 20:AA:4B:DD:93:D6, Freq 2462 MHz, Rate 54 Mb/s, Strength 35 W PA2 HOME-C0F8: Infra, 44:32:C8:D2:C0:F8, Freq 2412 MHz, Rate 54 Mb/s, Strength 40 W PA WPA2 abcsexy: Infra, 28:28:5D:27:5D:85, Freq 2412 MHz, Rate 54 Mb/s, Strength 27 W PA WPA2 IPv4 Settings: Address: 192.168.0.105 Prefix: 24 (255.255.255.0) Gateway: 192.168.0.1 DNS: 192.168.0.1 - Device: eth0 [Wired connection 1] ------------------------------------------- Type: Wired Driver: e1000e State: connected Default: yes HW Address: F0:DE:F1:B2:53:53 Capabilities: Carrier Detect: yes Speed: 100 Mb/s Wired Properties Carrier: on IPv4 Settings: Address: 192.168.0.100 Prefix: 24 (255.255.255.0) Gateway: 192.168.0.1 DNS: 192.168.0.1

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• How to reinstall Ubuntu keeping my data intact?

  - by Santosh Linkha

  I want to reinstall Ubuntu keeping my data intact. I have 160 GB hardrive (sata or pata I don't know but it's slim and made in China) with a 40 GB ext3 partition, a 4GB swap memory and 3 other partition with a FAT32 file system. I have around 4GB space on my drive where Linux is installed. I'd like to keep the data intact, especially the Downloads folder, desktop, and /var/www; And I no longer have access to any other machines or external storage devices.

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• Ati Radeon HD 3200 Graphics driver - Installation Problem

  - by samufi

  I have a fresh installation of Ubuntu 12.04 x86 and I am trying to install the proprietary driver for my "Radeon HD 3200 Graphics" video card. I know that there are already many threads about this topic, but I did not find a solution for my problem: For the installation I followed exactly these instructions: What is the correct way to install ATI Catalyst Video Drivers in 12.04 LTS? During the process I faced these problems: I executed ~$ debconf libstdc++6 dkms libqtgui4 wget execstack libelfg0 dh-modaliases and got: debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Keine Berechtigung Can't exec "libstdc++6": Datei oder Verzeichnis nicht gefunden at /usr/share/perl/5.14/IPC/Open3.pm line 186. open2: exec of libstdc++6 dkms libqtgui4 wget execstack libelfg0 dh-modaliases failed at /usr/share/perl5/Debconf/ConfModule.pm line 59 (translation of the German parts: "Keine Berechtigung" means: "no permission"; "Datei oder Verzeichnis nicht gefunden" means: "File or folder not found") Because I had no idea if it was a big issue, I just continued: ~$ sudo apt-get install ia32-libs There I got: Paketlisten werden gelesen... Fertig Abhängigkeitsbaum wird aufgebaut Statusinformationen werden eingelesen... Fertig Paket ia32-libs ist nicht verfügbar, wird aber von einem anderen Paket referenziert. Das kann heißen, dass das Paket fehlt, dass es abgelöst wurde oder nur aus einer anderen Quelle verfügbar ist. E: Paket »ia32-libs« hat keinen Installationskandidaten (Translation: [...] the package ia32-libs is not available but is referenced by an other package [...] E: package »ia32-libs« has no installation candidate) Once more I went on. The next steps worked quite fine. But when I came to the point: ~$ sudo dpkg -i *.deb There I got A popup message, something like there was a problem with a system application but in the terminal no errors were reported, also the packages seemed to be installed. so now the Ati Catalyst Center works amdcccle but fglrxinfo gave me X Error of failed request: BadRequest (invalid request code or no such operation) Major opcode of failed request: 139 (ATIFGLEXTENSION) Minor opcode of failed request: 66 () Serial number of failed request: 13 Current serial number in output stream: 13 So there is something wrong. (Also there is not the possibility to enable these nice graphical features - the reason why I installed the proprietary driver) Because I worked with a completely fresh Installation I don't know how to fix the problem. If anybody could help I would be very tahnkful! =)

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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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• How can I build the best Cyber Cafe possible using Ubuntu (Desktop or the Server Edition)?

  - by Osman Hassan

  My question has to do with my plan/dream of opening a Cyber Cafe in Mogadishu, Somalia, my birth place. I plan to use 5 to 15 computers (all laptops) running Ubuntu. Now that you have the background to my question, I need your help, advice and expertise. What type of computer (laptop) should I use for this project? What type of operating system (Ubuntu Desktop/Ubuntu Server Edition) should I use? How can I setup a file and printer sharing server? What program should I use to manage the client computers? If you have done this before and can point me to the best and easiest way to build this Cyber Cafe, I would appreciate it tremendously. Also, if you can point me to any books, articles, or blogs which I should read, I would appreciate it too.

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• Cron job fails for any time other than default * * * * *

  - by Raghu

  On Ubuntu 11.10 (Oneiric Ocelot), my cron job run fine if I use the default * * * * * But if I want it to run at 17 hrs or any other time, it never runs. My settings are: 00 17 * * * wget http://www.abc.com/a.php I also tried: 00 17 * * * root wget http://www.abc.com/a.php I also tried specifying the path. There is a carriage return, and I'm logged in as root Here is my complete crontab: TZ=Australia/Sydney 22 7 * * * /usr/bin/wget http://www.abc.com/a.php 22 7 * * * /bin/date >> /tmp/date.txt ----the out put is as follws: root@Scrunch:~# sudo crontab -l -u root 55 12 * * * date >>/tmp/crontest.txt root@Scrunch:~# Why is the terminal displaying so many blank lines after outputting the crontab entries? do you suspect unnecessary carriage lines are given....And i have not given any entries any other cron spaces like .d,/daily eyc.,

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