Red Hat, one of the more popular Linux distributions, especially for servers, is taking pretty good care of their website (which we assume runs on Red Hat Linux…).
Downtime for the Red Hat website in 2007
January 2h 30m February 10m March 1m April 39m May 0 June 0 July 54m August 4m September 0
Apart from January, the Red Hat website has had very little downtime. So, hats off to Red Hat (pun intended). Keep up the good work!