SysAdmin

A quick Apache mod_rewrite snippet that forces all HTTP traffic to HTTPS, plus context on where to place it and what to watch for.

A practical, step-by-step guide for diagnosing and recovering from common InnoDB corruption issues, covering first response, log analysis, checksum verification, and data restoration techniques.

A quick way to throttle inbound HTTP traffic to your Apache server using iptables, protecting it from traffic spikes and simple DoS attempts.

Use iptables string matching and the recent module to drop connections from abusive bots that exceed a request threshold within a short window.

A quick bash one-liner to identify which directories are consuming the most inodes on a Linux system, helping you pinpoint the source of ‘No space left on device’ errors when disk space still appears available.

A quick reference for using find with -mtime and -mmin to locate files by how long ago they were last modified, including the common off-by-one confusion around the +1 flag.