JenkinsCLI

Step 1 : Update your package list to ensure you have the latest information about available packages:

sudo apt update


Step 2 : Install the default JDK (Java Development Kit) which is required for running Jenkins:

 sudo apt install default-jdk

Step 3 : Add the Jenkins repository key to your system:

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

Step 4 : Add the Jenkins repository to your system's package sources:

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 5 : Update your package list again to include the new Jenkins repository:

sudo apt update

Step 6 : Install Jenkins using the package manager:

sudo apt install jenkins


Step 7 : Start the Jenkins service:

sudo systemctl start jenkins


Step 8 : Enable Jenkins to start on boot:

sudo systemctl enable jenkins


Step 9 : Retrieve the initial admin password needed for the Jenkins setup:

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

Step 10 : Access Jenkins:

- Open a web browser and navigate to http://your_server_ip_or_domain:8080

- Login with the password obtained in Step 9

- Install the suggested plugins provided by Jenkins.
- Wait for the plugin installation to complete.
- Create a user account for Jenkins.
- Configure the Jenkins URL according to your server's setup.
- Jenkins is now ready for use! Click "Start using Jenkins."

Congratulations, you have successfully installed and configured Jenkins on Ubuntu 23.10!