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I have several Ubuntu systems that are used for hands on network classes. Each system includes some installed packages, some scripts and a few configuration changes.

Problem is, I need a clean setup for each new meeting. Until now I used Live CD, but it's not good enough for me.

Clonezilla and such is out of the question, because I don't want to re-install 8 PCs every week.

Any other suggestions?

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I think you can Create new users and then delete their accounts upon completion . – atenz Jul 19 '12 at 11:35
It won't help me because they change network definitions, create virtual interfaces, routing entries etc, and all these definitions are not in the user level. – Roy Jul 19 '12 at 12:18
Perhaps something like Ofris? – SirCharlo Jul 19 '12 at 13:51
Tried Ofris. First, it is hard to install on 12.04, because the latest version in the repository is for 11.04. But more important, it didn't work, because it did not back up network configuration, and it doesn't seem to back up anything from /etc folder. – Roy Jul 22 '12 at 12:18

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