Tech Notes

Tech tips and new discoveries

How to Upgrade PostgreSQL Without Losing Data

A practical guide to upgrading PostgreSQL major versions with minimal downtime, covering pg_upgrade, logical replication, and common gotchas.

PostgreSQLLinuxDocker
UI APT Mirror - A containerized solution with UI

A review of my containerized APT mirror project with web interface, npm proxy, and file hosting capabilities for air-gapped environments.

LinuxDockerHomelab
Script for mass cloning docker images into self-hosted registry

This article describes how to clone a large number of docker images into a private registry. All tags for each image in the list will be cloned. The ability to filter tags by a regular expression will be added.

DockerHomelab