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 […]
Cloud, Linux & Virtualization
Installation & Deployment
Data Platforms & Analytics
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
Networking & Connectivity
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
Data Platforms & Analytics
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
Data Platforms & Analytics
Install PostgreSQL 18 with PostGIS on Ubuntu 24.04
PostGIS adds spatial database features to PostgreSQL. With PostGIS, PostgreSQL can store geographic data such as coordinates, points, routes, and
AI & Desktop Tools
How to Run Ollama and Open WebUI on WSL 2 Ubuntu 24.04 on Windows 11 with an NVIDIA GeForce RTX 5060 Ti 16GB
Running local AI on Windows 11 does not require a separate Linux machine. A clean setup is to run Ubuntu
Observability & Operations
Install OpenObserve Enterprise HA on Bare-Metal Kubernetes with Traefik + Ceph RGW (S3) + Ceph RBD
This post performs a fresh installation of OpenObserve Enterprise in HA (cluster) mode on a bare-metal Kubernetes cluster using the
Observability & Operations
Add an Ubuntu 24.04 Linux Server Data Source to OpenObserve
This post adds a Linux server (Ubuntu 24.04) as a data source to my existing OpenObserve standalone (local mode) deployment.
Observability & Operations
Deploy OpenObserve Standalone on Bare-Metal Kubernetes with Traefik + Ceph RBD (PVC)
This post deploys OpenObserve in standalone (single-node / local mode) on a bare-metal Kubernetes cluster using the official openobserve-standalone Helm
Identity, Security & PKI
Integrate EJBCA RA Web Login with Keycloak (OIDC / OAuth2)
This post documents a working setup to log in to EJBCA RA Web using Keycloak as an OpenID Connect (OIDC)