Shells: AUTO LOGOFF of idle users

I set up an Ubuntu 9.04 Server fordevelopment purpose and made it online through dyndns [more info], It can access by anyone of our team. We got some accessing problem because all our developers logged in through ssh without any need. So there are many users logged in and stay idle.

What we need to increase the efficiency is to force all idle users out. Here how I do this:

THIS IS BASED ON UBUNTU SERVER EDITION 9.04

how to know hardware details of your system

Do you want to know the complete details of your Ubuntu/Debian flavor system details ?

OpenOffice Recovery document Problem

Getting too many of this screen and always recovery fails ?. Its happens when the user opens a document downloaded from web or remove a document which last opened with openoffice. Every time user opens openoffice.org, this screen appears. This can be avoided by following steps given.

THIS IS FOR UBUNTU [Debian Flavors] ONLY