Install and Configure HAProxy on Bare Metal Ubuntu 24.04
Set up HAProxy 3.2 on Ubuntu 24.04 and forward HTTP/HTTPS to a backend Jenkins host using SNI-based TLS passthrough. HAProxy […]
Networking & Connectivity
Installation & Deployment
DevOps & Software Delivery
Set Up a Gerrit Replica
This guide configures a Gerrit replica that: Prerequisite Install Gerrit on both servers using: Install Gerrit 3.11.2 on Ubuntu 24.04
Identity, Security & PKI
Install Keycloak with MariaDB and NGINX Reverse Proxy (SSL Termination)
This guide shows how to install Keycloak behind NGINX with SSL termination using Let’s Encrypt, and an existing MariaDB server.
DevOps & Software Delivery
Install Gerrit 3.11.2 on Ubuntu 24.04
Introduction This guide walks you through installing Gerrit 3.11.2 on Ubuntu 24.04, using Java 21 and a dedicated system user.
DevOps & Software Delivery
Install Jenkins on Kubernetes with Helm
This guide walks you through installing Jenkins in a Kubernetes cluster using Helm, with: Prerequisites Save this as jenkins-pvc.yaml: Apply
Networking & Connectivity
Set Up HAProxy for TLS Passthrough with SNI Routing on OPNsense
In this guide, we’ll configure HAProxy on OPNsense to support TLS passthrough with SNI-based routing. This allows secure HTTPS traffic
Networking & Connectivity
WireGuard VPN on OPNsense 25.1
Architecture Overview: This setup runs WireGuard on an AWS EC2-based OPNsense firewall (WireGuard server) in the public subnet (10.0.0.0/20). The
Networking & Connectivity
Deploy OPNsense 25.1 Nano on AWS
Architecture Overview: Interface Subnet Private IP Public IP WAN (ena0) test-subnet-public1-ap-south-1a 10.0.0.4 Yes LAN (ena1) test-subnet-private1-ap-south-1a 10.0.128.4 No ⚠️ Do
Observability & Operations
Install Zabbix on Ubuntu 24.04
Start new shell session with root privileges. Make sure you have a database server up and running (I use MariaDB
DevOps & Software Delivery
Use Jenkins Docker Plugin to Run Jenkins Jobs Inside Docker Containers
If Docker is not installed yet, install it first. Then, add Jenkins to the Docker group to allow it to