Jenkins installation on Linux – Centos/RHEL|Ubuntu/Debian

Jenkins is the Continuous Integration and Continuous Delivery tool used for devops. Jenkins helps to automate the non-human part of the software development process, here we will see how to install this tool on Jenkins installation on Linux – Centos/RHEL|Ubuntu/Debian.

Topic

• How to Install Jenkins on Centos?

• How to Install Jenkins on RHEL?

• How to Install Jenkins on Linux?

• How to Install Jenkins on Ubuntu?

• Install and configure Jenkins on Linux – Centos/RHEL|Ubuntu/Debian

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Solution

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Lets refer to the following step by step process for Jenkins installation on Linux – Centos/RHEL|Ubuntu/Debian and a few configuration steps.

Jenkins installation Prerequisites

• Java 8
• Bare minimal or base installation of Linux – Centos/RHEL|Ubuntu/Debian

Jenkins installation on Debian/Ubuntu

• Add Jenkins Repository GPG key with the following command.

# wget -q -O - https://pkg.jenkins.io/debian/jenkins-ci.org.key | sudo apt-key add -

• Once key added it will return OK
• Now append the repository address to sources.list file with the following command.

# sh -c 'echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'

• Update the package database information with the following command.

# apt-get update

• After updating package database information is updated, install jenkins with below command.

# apt-get install jenkins

• Now start Jenkins service using:

# systemctl start jenkins

Jenkins installation on RHEL/Centos

• Add Jenkins Repository key with following command.

# wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat-stable/jenkins.repo

• Add Jenkins repository GPG key.

# rpm --import https://jenkins-ci.org/redhat/jenkins-ci.org.key

• Install jenkins with the below command.

# yum install jenkins

• Now start Jenkins service.

systemctl start jenkins

Jenkins post installation configuration

• You have successfully installed Jenkins, now time to setting it up!!
• Open your browser and visit the url : http://your-ip-address:8080 (default port for Jenkins is 8080)
• You will get Unlock Jenkins page

• You will need to enter initial administrator password, to get this password use the command:

# cat /var/lib/jenkins/secrets/initialAdminPassword

• Copy the password and paste it to the administrator password feild, click on continue.

• Next screen will be customization of Jenkins
  

• Choose one of the option of your choice, here I will select install suggested plugins option, it will begin installation of plugins.
  

• Once plugins are installed, you will get prompt for creating first admin user.
  

• Enter the first admin user details and click on save and continue, after that you will get below confirmation screen.
  
  

• Congratulations!! At this point Jenkins setup is done!