Free Hard Disk Space in Ubuntu

BleachBit deletes unnecessary files to free valuable disk space, maintain privacy, and remove junk. Rid your system of old clutter including cache, temporary files, cookies, and broken shortcuts. Designed for Linux systems, it wipes clean Bash, Beagle, Epiphany, Firefox, Flash, Java, KDE, OpenOffice.org, Opera, RealPlayer, rpmbuild, VIM, XChat, and more.

Install BleachBit in Ubuntu

Download the .deb package from here or use the following command

wget http://downloads.sourceforge.net/bleachbit/bleachbit_0.2.0-1_all_ubuntu810.deb

Now you have bleachbit_0.2.0-1_all_ubuntu810.deb package.Install this .deb package using the following command

sudo dpkg -i bleachbit_0.2.0-1_all_ubuntu810.deb

This will complete the installation.

or

You download this .deb file in your desktop and double click to install.

Source: http://www.ubuntugeek.com/bleachbit-cleans-unnecessary-files-to-free-disk-space-and-maintain-privacy.html