Computer guides

Firefox web browser has this really useful search bar integrated into its interface:

If you click on the arrow next to the google icon you'll get a list of other search engines that you can use:

I have a centos 4.5 powered VPS that was running out of memory at peak times and so I decided to take a look at using squid to reverse proxy apache. When squid is used as a reverse proxy all http requests are proxied through squid to apache. The advantage of this setup is: