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sysadmin

Everything tagged with sysadmin — 5 posts, 0 projects.

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7 min read

GitLab as a Business Asset: Inventory, Valuation, and Disaster Recovery

A self-hosted GitLab instance is more than a code repository. By using the GitLab API to inventory projects, issues, merge requests, contributors, and pipeline configurations, organizations can better understand replacement cost, institutional knowledge, and disaster recovery risk.

backups sysadmin
7 min read

ZFS Snapshot Replication Between TrueNAS Systems

A practical guide to setting up automated ZFS replication between two TrueNAS systems with asymmetric retention — short on the source, long on the destination.

zfs sysadmin TrueNas
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.

Bash sysadmin Ubuntu
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.

backups sysadmin MySQL
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.

Bash PostgreSQL backups