- FireWire vs USB: how “better tech” lost to cheaper tech
- Debian 13: TRIM Isn’t Running — Enable the fstrim Timer and Verify It Works
- Debian 13: fstab mistake prevents boot — the fastest rescue-mode fix
- Debian 13: 100% iowait host freezes — find the noisy process/VM in 10 minutes
- Ubuntu 24.04 SSD/NVMe performance falls over time: prove it’s TRIM/GC and fix it
- Debian 13: “Text file busy” — why deploys fail and how to fix safely (case #57)
- Debian 13 “Read-only file system” surprise: fastest path to root cause and recovery
- Ubuntu 24.04 ext4 vs XFS Recovery: Which Tool to Run First (and Why)
- Debian 13 filesystem check takes forever: what’s normal, red flags, and fixes (case #31)
- Ubuntu 24.04: Disk is “full” but df looks fine — inode exhaustion explained (and fixed)
- Ubuntu 24.04: CIFS mount says “Permission denied” — the exact options that fix it
- Debian 13 “Device busy” on umount: find the holder instantly (lsof/fuser workflow)
- Debian 13: Permissions Chaos After rsync — The Clean Way to Preserve Ownership
- Debian/Ubuntu Disk Latency Spikes: Prove It’s Storage, Not the App (Tools + Fixes)
- Debian 13: fio benchmarks lie — how to test storage without fooling yourself
- Ubuntu 24.04 disk is slow: IO scheduler, queue depth, and how to verify improvements
- Ubuntu 24.04: High load but “nothing is using CPU” — the iowait trap and how to confirm it
- Debian 13 SMART warnings: which attributes actually predict failure (and what to do)
- Debian 13: Filesystem mounted read-only after errors — recovery steps that minimize damage