In this tutorial we will learn to install Jenkins on Ubuntu.

Jenkins

Jenkins is a very popular Open Source software that helps us to automate not only the build-deployment process but also an entire project. Jenkins supports hundreds of plugins that help us to automate a project.

 

Also Read : Easy Way to Install Nagios Monitoring Tool on AWS

 &&  How to create your first build Job in Jenkins

 

Install Prerequisites and Jenkins

Install Java on your Ubuntu Machine.

$ sudo apt-get install openjdk-8-jdk -y

Add repository key to the System.

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

 

Add the repository address to the Sources.list.

 

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

 

Update the system.

 

 $ sudo apt-get update

Install Jenkins

 $ sudo apt-get install jenkins -y

Start Jenkins Service and check the status

Start the Jenkins Service

 $ sudo service jenkins start

Check the status

 $ sudo sevice jeinkins status

Configure System Firewall

Allow port 8080 to the System Firewall

  $ sudo ufw allow 8080

Check Firewall status

 $ sudo ufw status

If firewall in inactive , enable it and check the status again.

 $ sudo ufw enable

 $ sudo ufw status

Configure Jenkins

Check IP address of your Ubuntu Box

 $ ip add

Note down the IP address from the above command and put the following URL in the browser to access Jenkins.

https://IP_Address_of_Ubuntu_Box:8080

Note: If you want to access the Jenkins Server publicly , attach a public IP to your Ubuntu Box and put the public IP in the URL.

Use following command to get the Initial Password

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

Put the Initial Password and you will redirect to following page.Install the suggested Plugins.

 

The Following prompt will appear.

 

Create First Admin User

Create an user and note down the credential as it will be the only user to login into Jenkins now. Initial Password is used only one time. However, you can create multiple users after login into Jenkins.

Note down the Jenkins URL

Restart Jenkins

After restart , the login screen will appear. Put your credential and login into the Jenkins.

I hope you enjoyed this tutorial and learned how to Install Jenkins on Ubuntu. If you think this is really helpful, please do share this article to others as well. Please also share your valuable feedback, comment or any query in the comment box.I will really happy to resolve your queries.

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