Installing Jenkins on Ubuntu 22.04 LTS (Droplet Digital Ocean)
1. Update the package index on your server:
2. Install the default-jdk package, which provides the Java Development Kit:
sudo apt-get install default-jdk
3. Verify that Java is installed correctly by checking its version:
This should output the version of Java that you just installed.
4. Add the Jenkins repository key to your system:
wget -q -O - https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo apt-key add -
5. Add the Jenkins repository to your system:
sudo sh -c 'echo deb https://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'
6. Update the package index on your server again:
sudo apt-get install jenkins
8. Start the Jenkins service:
sudo systemctl start jenkins
9. Enable the Jenkins service to start automatically at boot:
sudo systemctl enable jenkins
10. Verify that Jenkins is running by checking its status:
sudo systemctl status jenkins
This should show that Jenkins is active and running.
You should now be able to access the Jenkins web interface by going to
http://your_server_ip:8080 in your web browser.
To get your administrator password, run this command to get it.
sudo cat /var/lib/jenkins/secrets/initialAdminPassword