Linux
SSH NotesPost
July 21, 2023
Brief notes about SSH
Year NinePost
January 1, 2023
Things I’ve always wanted to do, but …
Computers Lie and CheatPost
November 14, 2022
WarGames In the movie WarGames, the programmer of the WOPR computer left a backdoor login.
Cooking Up Plutonium-238
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September 5, 2022
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September 5, 2022
pSOS+ at Westinghouse Somewhere between 1995 and 2000, I was sent to teach a pSOS+ class to Westinghouse engineers in Savannah, Georgia.
Things That Go Bump in the Night
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March 10, 2022
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March 10, 2022
Two Versions, Same Content There are two versions of this document.
What’s a DNS, and Who Cares?
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December 8, 2021
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December 8, 2021
What’s in a Name? On the web, we use the names of computers or providers such as Facebook, Twitter, and Google.
Something Broke
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April 28, 2021
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April 28, 2021
A week of intermittent attempts at JT-8 on my ham radio failed to make any contacts.
Houston, We Have A Problem
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November 20, 2016
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November 20, 2016
It’s called a “Denial of Service” attack and it comes from a virus, affectionately named as you can see in the snippet above, “Smurf”.