Category: Uncategorized

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

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

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

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

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

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

Yesterday, I showed you how you can keep local installation of phpmyadmin from logging you out every few minutes. I took one more step and edited configuration to not ask me username, password at all. Now phpmyadmin never asks me for mysql username and password. Keep in mind if you follow this tutorial anyone would be able… Continue reading [HowTo] Stop phpmyadmin from asking username, password in localhost

Recently, I got frustrated being logged out every few minutes (24 minutes, to be precise) from phpmyadmin on my localhost. I make some db changes, write some code and when I get back to phpmyadmin, I would see my session had expired. To fix this, I changed the configuration so that my session would expire… Continue reading [HowTo] Extend phpmyadmin session expiration time

I came across this error while doing sudo apt-get update W: GPG error: http://ppa.launchpad.net karmic Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 5A9BF3BB4E5E19B8 W: GPG error: http://ppa.launchpad.net karmic Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 9ABD05E22847688C This made me… Continue reading [Solved] ‘Public key is not available’ error on apt-get update in Ubuntu

I had some hard-drive free space constraints and bought a new 500GB one. Now I wanted to transfer/migrate my current installation to the new hard-drive. Here’s how to do it. First we need to copy the complete filesystem to the new drive. Connect both the drives to your computer and boot using ubuntu live cd.… Continue reading [How-To] Move your Ubuntu Installation to new hard-drive