cowboy system administration: n.
The practice of system administration as a one-man show, usually with no documentation at all. When practiced over a long period of time, it leads to symptoms like the martyr complex as it is described in “Time Management for System Administrators“.
The term occurred to me while discussing with some colleagues about cowboy coding.
New Entry: cowboy consulting
Managing organized complexity 
Κι αυτό cowboy system administration δεν είναι; :D
http://rawstory.com/news/2008/Documents_reveal_how_Ohio_routed_2004_1031.html