Recently, I tried installing Ubuntu on my friend’s computer. I used Maverick’s Live CD but the boot process stuck at kernel_thread_helper+0x7/0x10. I noticed a huge list of acpi errors above this message and figured it was somehow related to ACPI. To solve the problem I simply turned of ACPI. Solving the problem in Live CD: Insert… Continue reading [SOLVED] kernel_thread_helper+0x7/0x10 during Ubuntu boot process
Category: ubuntu-linux
[Solved] “is not co-installable with” errors on Ubuntu
I installed 32bit wine on 64bit Kubuntu but for some reason it didn’t install properly so I tried reinstalling wine 64 bit and got the following error: dpkg: error processing /var/cache/apt/archives/wine1.2_1.2.3-0ubuntu1~ppa1_amd64.deb (–unpack): wine1.2: 1.2.3-0ubuntu1~ppa1 (Multi-Arch: no) is not co-installable with wine1.2:i386 1.2.3-0ubuntu1~ppa1 (Multi-Arch: no) which is currently installed You can’t simply remove 32bit wine using… Continue reading [Solved] “is not co-installable with” errors on Ubuntu
[Solved] Unadjustable brightness on laptops having i915 kernel module
I recently purchased a new laptop HP DV6121tx and installed linux on it. Apart from the muxless switchable graphics and openGL (HP will release a BIOS update to fix it soon), and brightness control, everything worked. I couldn’t change the brightness using the Fn Hotkeys. They displayed the brightness applet on pressing but nothing happened.… Continue reading [Solved] Unadjustable brightness on laptops having i915 kernel module
[How-To] Disable CPU cores in Linux
Although there’s no reason to do this, but some of you might have problem with apps not running well in multi-core environment or maybe looking to save some power (although disabling cores on sandy-bridge CPUs won’t save much power), I’ve written this simple tutorial to disable CPU cores in Linux. I have i7 2630QM process… Continue reading [How-To] Disable CPU cores in Linux
[SOLVED] VLC does not support the audio or video format “h.264” on Ubuntu
I got the following error in VLC today while trying to play some media file: VLC does not support the audio or video format “h.264″. Unfortunately there is no way for you to fix this.” All other media files game same error with different codec names. I couldn’t play anything in VLC. To fix the… Continue reading [SOLVED] VLC does not support the audio or video format “h.264” on Ubuntu
[SOLVED] “undefined symbol: menu_proxy_module_load” error in GNOME applications
In all GTK apps I used to get the following warnings when run from terminal: `menu_proxy_module_load’: /usr/lib/virtualbox/VirtualBox: undefined symbol: menu_proxy_module_load (<unknown>:23888): Gtk-WARNING **: Failed to load type module: (null) This error was received while running Virtualbox. Though, it seems just a warning and doesn’t really change anything in the application, it does make the… Continue reading [SOLVED] “undefined symbol: menu_proxy_module_load” error in GNOME applications
[HowTo] Save all flash video files being played in Chrome/Chromium to Home directory
After watching a video on youtube in chrome, I felt like saving it. I couldn’t find the flv in ~/.cache or in /tmp. So I dug around and found this link: http://superuser.com/questions/235535/in-google-chrome-on-linux-where-is-the-flv-if-not-in-tmp. The solution by omab worked for me. So I wrote this one line command which would save all the currently playing files in Chrome… Continue reading [HowTo] Save all flash video files being played in Chrome/Chromium to Home directory
[SOLVED] Error “undefined reference to `libiconv_open’” while compiling
I was trying to compile sphinx server from source but I go the following errors on executing make undefined reference to `libiconv_open’ undefined reference to `libiconv’ undefined reference to `libiconv_close’ To fix the error, you can compile without iconv (multiple encoding support) support. Use the following commands to compile. You can add more parameters as per… Continue reading [SOLVED] Error “undefined reference to `libiconv_open’” while compiling
[SOLVED] kernel_thread_helper+0x7/0x10 during Ubuntu boot process
Recently, I tried installing Ubuntu on my friend’s computer. I used Maverick’s Live CD but the boot process stuck at kernel_thread_helper+0x7/0x10. I noticed a huge list of acpi errors above this message and figured it was somehow related to ACPI. To solve the problem I simply turned of ACPI. Solving the problem in Live CD: Insert… Continue reading [SOLVED] kernel_thread_helper+0x7/0x10 during Ubuntu boot process
[HowTo] Use locate command and updatedb to search all partitions
Updatedb command by default does not include /media path for updating its database. You can change the settings in /etc/updatedb.conf so that it starts indexing other partitions too. sudo gedit /etc/updatedb.conf In the PRUNEPATHS setting, remove /media. Save the file and run sudo updatedb This will index all your files from /media folder. Make sure the partitions… Continue reading [HowTo] Use locate command and updatedb to search all partitions