Overview
There are a number of software packages maintained for compatibility with Ubuntu that can be easily installed on your server. The archive of packages can be viewed and searched at:
One method for installing packages is via APT with the apt-get command. The full usage information for that can viewed at:
https://help.ubuntu.com/community/AptGet/Howto
To install a package, first, make sure that the package index on the server is up to date by running:
sudo apt-get update
Next, the package itself can be installed with the following, replacing PACKAGE with the official name of the package as seen in the Ubuntu package archive:
sudo apt-get install PACKAGE