Posts tagged "sysadmin"

cron logging that actually tells you what failed

mikho 9 November 2026 · 4 min read · 2 comments

A backup script has been running at 3am every night for four months. You know this because you checked /var/log/syslog once, back when you set it up, and saw a line like this:

sed -i and the backup you forgot

mikho 22 August 2026 · 4 min read · 2 comments

Two sites, one VPS, one nginx.conf. You're consolidating:

sed vs awk vs grep: when to reach for which

mikho 22 August 2026 · 4 min read · 1 comments

Every terminal tutorial teaches these three with the same tired example: cat file | grep foo. That's not a real task, it's a syntax demo.