this is a simple mod that you can use to compress your website using gzip which will reduce your bandwidth. this is dead easy to setup in ubuntu. to do so, log into your webserver via ssh or locally if you dont run it headless like me. then enabled 
the deflate mod by typing the following command:
howto: speed up your website; reduce bandwidth in apache
howto: use screen to keep your ssh sessions running
screen is a program that will allow you to keep multiple terminal sessions running and easily switch between them. It also protects you from your session ending if you get disconnected.
to install screen in ubuntu, open a terminal and type the following:
sudo aptitude install screen
now you can start a new screen session by just typing screen at the command line. You’ll be shown some information about screen. press enter, and you’ll be at a normal prompt.
sudo aptitude install screen
to disconnect from ssh, but leave your session open, do the following:
RSS