David Cary maintains the OpenCircuits wiki.
David Cary knows how to use ssh to get a shell prompt, and how to use vim to edit the LocalSettings.php file.
David Cary is sysop on a few other wiki.
David Cary is a humble editor on other wiki, the number of which may surprise you. (David Cary knows of over 20,000 wiki, but doesn't edit *all* of them).