I lost important logs last week because I had not thought about retention. The lesson is more general than you would think, and the cure is mostly process rather than tooling.
Everyone tells you not to run things as root. Here is the specific, unglamorous, day-three explanation of why — written for someone who, like me a year ago, mostly did.
After a fortnight of installing, breaking, reinstalling, and finally understanding it, here is what Slackware has actually taught me. Mostly that simplicity is its own kind of hard.