How to Install Jenkins on ubuntu 24.04

Introduction:

Pre-requisutes:

1. A server running Ubuntu 24.04
2. User with sudo privileges access
3. Server config: atleast 2 Core and 2 GB RAM required.

Step 1: Update the server

If you have fresh installation of the server then please run the below command:

sudo apt update -y

Step 2: Install latest version of Java

sudo apt install openjdk-21-jdk -y

Once java installed then check the version using below command:

java --version

Output will be look like as below:

openjdk 21.0.4 2024-07-16
OpenJDK Runtime Environment (build 21.0.4+7-Ubuntu-1ubuntu224.04)
OpenJDK 64-Bit Server VM (build 21.0.4+7-Ubuntu-1ubuntu224.04, mixed mode, sharing)

Step 03: Add Jenkins GPG key and Repository

sudo wget -O /usr/share/keyrings/jenkins-keyring.asc https://pkg.jenkins.io/debian-stable/jenkins.io-2023.key

Then add the Jenkins repository because it is not added by default in the Ubuntu 24.04 sources list:

echo "deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc]" https://pkg.jenkins.io/debian-stable binary/ | sudo tee \
/etc/apt/sources.list.d/jenkins.list > /dev/null

Step 04: Install Jenkins on ubuntu 24.04

Execute below command to install the jenkins:

sudo apt install jenkins -y

Once jenkins installed, then start the jenkins

sudo systemctl start jenkins

To auto restart the jenkins when server reboot, run the below command:

sudo systemctl enable jenkins

check the status of jenkins:

sudo systemctl status jenkins

Output will be look like as below: