VirtualBox is helps and powerful Cross-platform Virtualization Software, you can create and run multiple virtual machines in a computer at the same time.

Once you have installed Ubuntu 14.04 in your system and would like to change the theme to Gnome Classic Desktop this post will help you,

By default Bluetooth device drive has build with your Ubuntu operating system,

Team Viewer tool is used for remote control any computer through internet connection like, Online Meetings, remote access, Presentation, Teamwork and etc.

Whenever you try to install any packages may get an error like below,

By default in Ubuntu adobe-flash plugin has not installed, Can manually install it in two ways,

If you may get an error E:Sub-process pkg returned an error code (1),