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Install Jenkins On Linux Machine

In this article, we will install the jenkins on the linux machine.

Steps

To install Jenkins, log in to the Linux server using Putty or MobaXTerm. Switch to the root user role by using the following command.

sudo –i

Execute the following command.

sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo

Picture showing the command to add the official Jenkins repository to a Red Hat–based Linux system

Post that, execute the following commands.

sudo rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.keyyum install jenkins

Once the above command is executed, check if the jenkins service is enabled or not. We can use the following command.

service jenkins status

Picture showing the command to check if check if the jenkins service is enabled or not

In the above screen shot, service is inactive. To activate and start the service, use the following command.

service jenkins start

Picture showing the command to start the jenkins service

As the Jenkins is using the 8080 port. So, we have to enable it in Azure. For that, go to the virtual machine and add an inbound port in the Network menu.

Picture showing enabling port 8080 in Azure web portal

Finally open the Putty. Enter either the Host Name Or the IP address.

Picture showing the Putty screen to enter the host name

Go to the Connection → SSH → Tunnels.

Enter the source port as 8080 and Destination as 127.0.0.1:8080 and click on the Add button.

Picture showing entering the source and destination address on Putty

Finally click on the Open button to connect to the server.

A screen will appear to enter the username and password.

Now, you can open the following URL. A page will appear to enter the administrator password.

http://localhost:8080/

Picture showing the screen to enter the jetkins password

To get the password, you have to execute the following command.

cat /var/lib/jenkins/secrets/initialAdminPassword

Picture showing the command to get the admin password

Paste the password and click on the Continue button.

Another screen will appear where you can click on the Install Suggested Plugins button.

Picture showing the screen to customize jenkins

All plugins are installed.

Picture showing the list of plug-ins installed

Another screen will appear where you can create the admin user. Enter the details and click on the Save and Continue button.

Picture showing the screen to create the admin user

Another screen will appear to configure the instance configuration. Click on the Save and Finish button.

Jenkins is ready

Posted By -	Karan Gupta

Posted On -	Thursday, November 19, 2020

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