Fix “JDBC Socket error / Connection reset by peer” in WildFly with MariaDB (Stale Connection Pool)
This post explains a common (and confusing) failure mode when running EJBCA on WildFly with MariaDB/MySQL: An exception has occurred.JDBC […]
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.
This post explains a common (and confusing) failure mode when running EJBCA on WildFly with MariaDB/MySQL: An exception has occurred.JDBC […]
This post documents a working setup to log in to EJBCA RA Web using Keycloak as an OpenID Connect (OIDC)
This guide installs EJBCA Community Edition (example: r9.3.7) on Ubuntu 24.04, using WildFly as the application server and MariaDB as
This post shows a clean way to run Zabbix Server + Zabbix Web (NGINX) + MariaDB using Docker Compose, and
When Jenkins is authenticated by Keycloak (OIDC) and sits behind NGINX, “session timeout” is not a single knob. You can
This guide enables GitHub login for a self-hosted Teleport Community Edition cluster using a GitHub OAuth App and maps GitHub
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 email delivery can be unreliable when it uses PHP mail (password resets, contact form notifications, admin alerts). The fix
Short outage method: Stop → Backup → Upgrade → Start Example upgrade: 26.4.6 → 26.5.2 This post upgrades a Keycloak
This post shows how to enroll a self-hosted PostgreSQL (Ubuntu 24.04, PostgreSQL 16) into an existing Teleport Community Edition cluster