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 […]
Networking & Connectivity
Integration
AI & Desktop Tools
Fix PuTTY Right-Click Paste Not Working in vi on Ubuntu 26.04
When I connected to an Ubuntu 24.04 server using PuTTY, I could open vi, enter insert mode, and paste text
Data Platforms & Analytics
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
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)
Identity, Security & PKI
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
Observability & Operations
Install Grafana on Kubernetes and connect it to Mimir + Loki + Tempo
This post installs Grafana (UI) on your Kubernetes cluster and connects it to your existing backends: Note: Grafana can connect
Containers & Kubernetes
Install Lens on Windows 11 and Connect to a Self-Managed kubeadm Kubernetes Cluster (HA API + Traefik)
Lens is a desktop Kubernetes IDE that connects directly to the Kubernetes API server. The key to a stable setup
Identity, Security & PKI
Use the Kubernetes Cluster CA to Sign Each Node’s Kubelet Serving Certificate (kubeadm Bare-Metal Ubuntu 24.04)
If you run Metrics Server (or anything that connects to the Kubelet HTTPS endpoint on 10250), you may see TLS
Cloud, Linux & Virtualization
How to Add External CephFS as Storage in Proxmox VE 9
In the previous post, we already: In this post, we’ll connect that existing CephFS to Proxmox VE 9 and use
Identity, Security & PKI
Install phpLDAPadmin v2.3.5 on Ubuntu 24.04 (PHP 8.4 + Nginx)
Goal: native install of phpLDAPadmin v2 (2.3.5) under /opt/phpLDAPadmin, served by Nginx + PHP-FPM 8.4, connecting to LDAP/LDAPS. Node is