🚀 Jenkins Multi-Node Setup (Ubuntu + CentOS + Multi-Cloud)

This project demonstrates a distributed Jenkins architecture with:

• Ubuntu Master (Controller)
• Ubuntu & CentOS Agents
• Multi-cloud CI/CD setup (GCP + AWS)

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🧱 Architecture Overview

🔹 Scenario 1: Ubuntu Master → Ubuntu Agent

• Hosted on GCP
• SSH-based agent connection
• Jobs executed on agent using labels

🔹 Scenario 2: Ubuntu Master → CentOS Agent

• Cross-OS Jenkins setup
• Managed package differences (apt vs dnf)
• Pipeline execution on CentOS node

🔹 Scenario 3: Multi-Cloud (GCP → AWS)

• Jenkins Master on GCP
• Agent on AWS EC2
• Cross-cloud job execution via SSH

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⚙️ Setup Guide

1️⃣ Install Java

Ubuntu:

sudo apt update
sudo apt install openjdk-17-jdk -y
java -version

wget -q -O - https://pkg.jenkins.io/debian/jenkins.io.key | sudo apt-key add -
sudo sh -c 'echo deb https://pkg.jenkins.io/debian binary/ > /etc/apt/sources.list.d/jenkins.list'

sudo apt update
sudo apt install jenkins -y

sudo systemctl start jenkins
sudo systemctl enable jenkins