26/09/14
⇒ The Firewall I Never Had to Relearn
A complete home router in twenty-three lines, in a grammar I learned once and have been writing for twenty years. The bill for that arrangement has never arrived. Unix Universe.
26/09/15
⇒ What Was Already Watching
The standard answer to brute force costs a hundred megabytes of interpreter and twenty-seven regular expressions, to work out something the daemon already knew. There are three other answers, and two of them were running before I installed anything. The Bench Marker.
26/09/30
⇒ The Forty-Four Switches on ls