Two near-disasters in two weeks - what's the most panic-inducing mistake you've made on Linux? (opens in new tab)

These past couple of weeks I’ve been going deep into my Linux setup, way deeper than I probably should have for someone still learning the ropes. I’m running CachyOS with KDE Plasma on Wayland, and let’s just say it’s been a rollercoaster. Disaster #1 — I thought I killed two drives I was setting up my NVMe drives in fstab and mounted them incorrectly. The system just… stopped seeing them. A 2TB and a 500GB drive, gone. I genuinely thought I had bricked them both. Full panic mode. Turns out t...