Install EJBCA CE on Ubuntu 24.04 with WildFly + MariaDB (no Docker)
This guide installs EJBCA Community Edition (example: r9.3.7) on Ubuntu 24.04, using WildFly as the application server and MariaDB as […]
EJBCA
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.
Docker, Zabbix
Run Zabbix 7.4 on Docker Compose with HTTPS (No Reverse Proxy, DNS-01 Certbot, Bind Mounts Only)
This post shows a clean way to run Zabbix Server + Zabbix Web (NGINX) + MariaDB using Docker Compose, and
Jenkins, Keycloak
Why Jenkins Keeps Logging You Out (OIDC + Keycloak): Finding and Fixing the Timeout Layer
When Jenkins is authenticated by Keycloak (OIDC) and sits behind NGINX, “session timeout” is not a single knob. You can
GitHub, Teleport
Enable GitHub SSO for Teleport Community Edition
This guide enables GitHub login for a self-hosted Teleport Community Edition cluster using a GitHub OAuth App and maps GitHub
Keycloak, WordPress
Authenticate WordPress to Keycloak with OpenID Connect (OIDC) using a plugin
This post shows how to authenticate WordPress (https://www.maksonlee.com) against Keycloak (https://keycloak.maksonlee.com) using OpenID Connect (OIDC) with a WordPress plugin (no
WordPress
Configure WordPress SMTP with Zoho Mail Using Post SMTP
WordPress email delivery can be unreliable when it uses PHP mail (password resets, contact form notifications, admin alerts). The fix
Keycloak
Upgrade Keycloak (Tarball + systemd + MariaDB) on Ubuntu 24.04
Short outage method: Stop → Backup → Upgrade → Start Example upgrade: 26.4.6 → 26.5.2 This post upgrades a Keycloak
PostgreSQL, Teleport
Enroll a Self-Hosted PostgreSQL into Teleport CE
This post shows how to enroll a self-hosted PostgreSQL (Ubuntu 24.04, PostgreSQL 16) into an existing Teleport Community Edition cluster
Kubernetes, Teleport
Enroll a Kubernetes Cluster into Teleport CE (Helm)
This post follows Teleport’s official Kubernetes Access “Getting Started” flow, using the Web UI guided enrollment (Helm) and validating access
Teleport
Enroll an Ubuntu 24.04 Server as a Teleport SSH Resource (Community Edition, Web UI)
This is a follow-up to my Teleport installation guide: That post builds a single-node Teleport cluster (Auth + Proxy +