Setup nginx server on Ubuntu 12.04/12.10 – install latest version from the ppa and create configuration files!
Lightweight, Fast and Efficient Desktop environments for Ubuntu 12.10 / 12.04!
Upgrade Ubuntu 12.04 to 12.10 “Quantal Quetzal” – using update manager!
Removing a PPA address in Ubuntu 12.04/12.10! Manually uninstall a PPA from Ubuntu / Linux Mint!
ReText – The Best Markdown Editor for Ubuntu [12.10/12.04/…]/Linux Mint/other_linux_distributions.