Category Archives: Ubuntu

How to compile the Linux kernel on Debian or Ubuntu

Posted on July 22, 2014 by sherly

You may want to add driver support for devices which are not recognized by the generic kernel shipped with Linux distros. You may want to optimize the kernel for your hardware, tweak performance tuning options, or turn on or off

How to take screenshot while desktop menu is open on Ubuntu

Posted on July 22, 2014 by sherly

On Ubuntu Desktop, you can take a screenshot simply by pressing “Print Screen” key. By default, the key is set to trigger gnome-screenshot program to capture current desktop screen. However, if you attempt to take a screenshot while any Unity

How to convert image, audio and video formats on Ubuntu

Posted on July 21, 2014 by sherly

A variety of image, audio and video files encoded in all sorts of different formats,Format Junkie is one such all-in-one media conversion tool with an extremely user-friendly GUI. Better yet, it is free software! With Format Junkie, you can convert

apt-get update error signatures couldn’t be verified because the public key is not available

Posted on July 21, 2014 by admin

When updating ubuntu, i got following error. This is fixed by running 3B4FE6ACC0B21F32 is the key from the error message when you run apt-get update.

How to fix apt-get update error on Ubuntu

Posted on July 19, 2014 by sherly

Ubuntu Linux system maintains a local database of packages that are available from the repositories defined in /etc/apt/sources.list, or in /etc/apt/sources.list.d/. The apt package index can often become outdated as the packages contained in the repositories change, or new repositories

How to check GNOME version

Posted on July 18, 2014 by sherly

GNOME is a community-driven open-source project for desktop environment for GNU/Linux. The GNOME community is also involved in contributing a wide range of core applications that run on GNOME desktop. Check If You Are Running GNOME Desktop To verify that

How to install Silicon Empire in Ubuntu

Posted on July 18, 2014 by Annie

Silicon Empire is set of tools to Burn, Copy, Backup, Manage your optical discs like CDs, DVDs and Blu-Ray. To install Silicon Empire in Ubuntu 13.10/13.04/12.10/12.04/Linux Mint 15/14/13 Run the following commands in the Terminal: Some of the main features.