Hello Linux Geeksters. As you may know, Unity Tweak Tool is an open source application that enables the users to easily customize the Unity interface. Among others, it enables the users to set the default theme, icons fonts and many others.

The latest version available is Unity Tweak Tool 0.0.5, which brings improvements. For more information, see the official changelog.
In this article I will show you how to install Unity Tweak Tool 0.0.5 on Ubuntu 13.10 Saucy Salamander, Ubuntu 13.04 Raring Ringtail and Ubuntu 12.10 Quantal Quetzal.
For Ubuntu 13.10 Saucy Salamander, Unity Tweak Tool 0.0.5 is available via the default repositories, so installing it is easy, just update the system and install the unity-tweak-tool package:
$ sudo apt-get update
$ sudo apt-get install unity-tweak-tool
To install Unity Tweak Tool 0.0.5 on Ubuntu 13.04 Raring Ringtail and Ubuntu 12.10 Quantal Quetzal, we need to use a third party PPA. Follow this instructions exactly, in order to get a successful installation:
Add the Unity Tweak Tool PPA:
$ sudo add-apt-repository ppa:freyja-dev/unity-tweak-tool-daily
Update the local repository index:
$ sudo apt-get update
Install Unity Tweak Tool 0.0.5:
$ sudo apt-get install unity-tweak-tool