Generate a Google Drive Access Token for Playwright Tests
When testing a browser-side application that uses Google Drive, the normal user flow usually looks like this: This works for […]
Software Testing
Hands-On DevOps & Homelab Experiments
From Kubernetes and Ceph to Proxmox, Kafka, Jenkins, Vault, Android, and CI/CD, every guide here is a tested, step-by-step walkthrough from my lab.
Ubuntu, Zabbix
Zabbix Database Error: No such file or directory After unattended-upgrade
After unattended-upgrade automatically ran on one of my Zabbix servers, the Zabbix frontend started showing a confusing database error. When
Jenkins, Ubuntu
Jenkins Node Reports Low Temporary Space on a Low-Memory Ubuntu 26.04 Server
After upgrading one of my Jenkins servers from Ubuntu 24.04 to Ubuntu 26.04, I noticed that the Built-In Node was
KVM
Configure Android Phone USB Passthrough for a KVM VM on Ubuntu Server
In this post, I configure Android phone USB passthrough for a KVM virtual machine on an Ubuntu Server host. The
KVM
Add a New KVM Storage Pool and Move Existing VMs to It on Ubuntu 24.04
In a previous post, I showed how to set up KVM and Cockpit on Ubuntu 24.04. That setup works well
Nominatim
Add Wikipedia/Wikidata Importance Ranking to an Existing Self-Hosted Nominatim Server on Ubuntu
After deploying a self-hosted Nominatim server, I noticed that search result ranking was different from the public Nominatim service. For
AWS EC2, WireGuard
WireGuard Single-Instance VPN: AWS EC2 Instance to MikroTik hEX at Home
In a previous post, I configured a WireGuard site-to-site VPN between my MikroTik hEX router at home and OPNsense 25.7
AWS EC2, WireGuard
Fix WireGuard wg Command I/O Issues in an AWS SSM Session Manager Session
I installed WireGuard on an Ubuntu 26.04 EC2 instance and connected to the instance through an AWS SSM Session Manager
AWS
Create a Custom VPC Based on the Default VPC Layout
AWS creates a default VPC in many Regions. It is convenient for quick testing because it already has public subnets,
Nominatim, OSRM
Deploy OSM Services with Nominatim and OSRM on Ubuntu 26.04
This post shows how to deploy OpenStreetMap-related services on a separate Ubuntu 26.04 server. The OSM service domain used in