If you ever went to a cyber cafe, you probably noticed that any changes you make to their system: create or delete files, settings and so on, are reseted when you restart the computer. That's what the Deep Freeze program does.
Ofris is a Deep Freeze like application for Linux that is very easy to use - once you install it, you can "deep freeze" your Linux computer in a matter of seconds.
Ofris comes with an Ubuntu PPA so you can install it using the following commands (available for Ubuntu 9.10, 10.04 and 10.10):
sudo add-apt-repository ppa:tldm217/tahutek.net
sudo apt-get update
sudo apt-get install ofris-en
The last command will install the English version of Ofris (the package called just "ofris" will install the Indonesian version).
Once you install it, open a terminal and run:
And then select what you want to do, like freeze the system for this user or for another user. You can later unfreeze the system the same way.
via Web Upd8