![Photo: Joey deVilla and Steve Ballmer, who is wearing a Canadian flag hat](https://www.globalnerdy.com/wp-content/uploads/2011/04/joey-devilla-steve-ballmer.jpg)
Today marks the end of the second week of The Undercroft’s 5-week cybersecurity training program, UC Baseline. This week was a quick but in-depth (we each had a Cisco switch to configure) introduction to networking. Next week, we look at Windows and Linux from a security perspective.
I have some familiarity with the operating systems in question.
![Photo: Joey deVilla, with his accordion, poses with Linus Torvalds, who is holding a pool cue.](https://www.globalnerdy.com/wp-content/uploads/2020/07/joey-and-linus.jpg)
![Photo: Richard M. Stallman and Joey deVilla onstage.](https://www.globalnerdy.com/wp-content/uploads/2009/01/join-the-dark-side.jpg)
If you’re bored: When I was a Microsoft developer evangelist (they hired me from the open source/free software world), I won Stallman’s auction for a plush GNU gnu — and paid for it with my Microsoft corporate card. Here’s the story, titled Winning the GNU.