OpenSUSE 11.4
THIS RELEASE IS NO LONGER SUPPORTED
This was the Linux distribution my server was based on. More information is available here.
If you are looking to install openSUSE, you should look at installing openSUSE Leap 15.6 as this is the current version.
Information
openSUSE 11.4 was released on 10th March 2011. This is an older version of the openSUSE line, the last of the 11.x series. It is an open-source distribution and is free of charge. It was developed by the community and sponsored by Novell