Ubuntu Archives - Makson Lee

Zabbix Database Error: No such file or directory After unattended-upgrade

Makson Lee / June 14, 2026

After unattended-upgrade automatically ran on one of my Zabbix servers, the Zabbix frontend started showing a confusing database error. When […]

After upgrading one of my Jenkins servers from Ubuntu 24.04 to Ubuntu 26.04, I noticed that the Built-In Node was

In this post, I configure Android phone USB passthrough for a KVM virtual machine on an Ubuntu Server host. The

In a previous post, I showed how to set up KVM and Cockpit on Ubuntu 24.04. That setup works well

After deploying a self-hosted Nominatim server, I noticed that search result ranking was different from the public Nominatim service. For

This post shows how to deploy OpenStreetMap-related services on a separate Ubuntu 26.04 server. The OSM service domain used in

When I connected to an Ubuntu 24.04 server using PuTTY, I could open vi, enter insert mode, and paste text

PostGIS adds spatial database features to PostgreSQL. With PostGIS, PostgreSQL can store geographic data such as coordinates, points, routes, and

Makson Lee / March 27, 2026

Running local AI on Windows 11 does not require a separate Linux machine. A clean setup is to run Ubuntu

Makson Lee / March 5, 2026

This post adds a Linux server (Ubuntu 24.04) as a data source to my existing OpenObserve standalone (local mode) deployment.