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Install Jenkins on linux machine

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

Steps

To install the jenkins

1. Login to the linux server either using putty or the MobaXTerm.

2. Switch to the root user role by using the following command.

sudo -i

3. Execute the following command.

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

Picture showing getting the jenkins package using wget command

Click to Enlarge

4. Post that, execute the following commands.

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

5. 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 service command to check the status of the service

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

service jenkins start

Picture showing the execution of service jenkins start command for starting the service

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6. 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 8080 port in azure portal

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7. Finally open the Putty.

8. Enter either the Host Name Or the IP address.

Picture showing opening the putty for entering the server credentails

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9. Go to the "Connection" → "SSH" → "Tunnels".

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

Picture showing adding the source and destination port as 8080

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

      12. A screen will appear to enter the username and password.

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

http://localhost:8080/

Picture showing the screen to unlock jenkins

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

cat /var/lib/jenkins/secrets/initialAdminPassword

Picture showing the jenkins password in initialAdminPassword file

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15. Paste the password and click on the "Continue" button.

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

Picture showing the jenkins screen allows to install the suggested plug-ins

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17. All plugins are installed.

Picture showing plug-ins installation in progress

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

Picture showing a jenkins screen for creating a new user account

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

Picture showing a screen to configure the instance configuration

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Jenkins is ready

Picture showing the screen that displays the installation completion of jenkins

Click to Enlarge

Posted By -	Karan Gupta

Posted On -	Saturday, November 28, 2020

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