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sysadmin

Everything tagged with sysadmin — 3 posts, 0 projects.

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3
4 min read

Cleaning Up Old Kernels on Ubuntu

A simple bash script to safely remove old kernels on Ubuntu when apt autoremove doesn't get the job done.

6 min read

A Simple Bash Script for Multi-Server MySQL Backups

A Bash script that automates MySQL backups across multiple servers using mysqldump, with daily and monthly snapshots, JSON configuration, retention cleanup, and simple restore workflows.

5 min read

Automated Multi-Server PostgreSQL Backups with a Simple Bash Script

A JSON-configured Bash script that backs up every database on every PostgreSQL server you own, with daily/monthly rotation and automatic retention cleanup.