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How to Install Jenkins on Ubuntu 22.04

How to Install Jenkins on Ubuntu 22.04

Jenkins is an open-source CI/CD software that supports continuous integration (CI)and continuous delivery (CD). It’s offers number of plugins for building deployments and automation for your applications. This also helps to automate the repetitive tasks involved in the software development process. In this tutorial you will learn how to install Jenkins on Ubuntu 22.04.

How to Install Jenkins on Ubuntu 22.04

Peform the following steps to install Jenkins on your system:

Step 1 – Prerequisites

sudo apt update
sudo apt install openjdk-11-jdk

Step 2 – Enable Jenkins PPA

At first, we will download and import the Jenkins repository GPG keys using wget:

wget -q -O - https://pkg.jenkins.io/debian/jenkins.io.key | sudo apt-key add -

It should show OK as output upon the the successfully key import. Run the following command on your system to add the Jenkins repository:

sudo sh -c 'echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'

Step 3 – Install Jenkins on Ubuntu

After that, update the apt package list. Then you can install the latest version of Jenkins:

sudo apt update
sudo apt install jenkins -y

By default Jenkins runs on port 8080. If other service is using same port, you can edit /etc/default/jenkins configuration file and update HTTP_PORT value to 8081 or other port.

HTTP_PORT=8080

Enable and start the Jenkins service by executing:

sudo systemctl enable --now jenkins

Step 4 – Setting Up Jenkins

To access your server, open your favorite browser and type your domain or IP address, followed by port 8080 (or changed port), http://your_domain_or_ip_address:8080.

It will show screen as below.

The default installation password can be found at /var/lib/jenkins/secrets/initialAdminPassword as showing in above image. To find the password use cat command:

sudo cat /var/lib/jenkins/secrets/initialAdminPassword

Enter the password it into the Administrator password field and click on Continue.

It will ask to install plugins first or you may want to select specific plugins. Click on the Install suggested plugins box, and the installation process will start immediately.

Next, create an admin account for your Jenkins setup. Fill out the required information and click Save and Continue.

After that, Jenkins will ask you to set your URL. The field will automatically populate after the URL is generated.

Check the URL and click on the Save and Finish button to complete the process.

Click on the Start using Jenkins button, and you will be redirected to the Jenkins dashboard logged in as the admin user you have created in one of the previous steps.

That’s it, you’ve successfully installed Jenkins on your system.

Conclusion

You have learned how to install and complete the initial configuration of Jenkins on Ubuntu 22.04 system. To learn more about Jenkins take a look at official Jenkins documentation page.

If you have any questions or suggestion, please leave a comment below.

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