What's to say? Check my personal website for a touch more detail, if you want to. I sysadmin free software professionally through my own little company. A long time ago, I and a co-author wrote "Building Linux and OpenBSD Firewalls" (Wiley, 2000). That's it.
Server Fault
Q&A for professional system and network administrators
Joined 2 years ago, last seen today
22,780 reputation
33366
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7 questions
644 answers
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Joined 2 years ago, last seen 9 months ago
551 reputation
312
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1 questions
9 answers
Stack Overflow
Q&A for professional and enthusiast programmers
Joined 1 year ago, last seen 1 month ago
231 reputation
14
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0 questions
2 answers
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Joined 1 year ago, last seen 1 year ago
146 reputation
2
badges
0 questions
1 answers
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Joined 1 month ago, last seen 1 month ago
101 reputation
2
badges
0 questions
0 answers
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Joined 1 year ago, last seen 12 days ago
101 reputation
2
badges
0 questions
0 answers
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Joined 6 months ago, last seen 6 months ago
101 reputation
3
badges
0 questions
0 answers