How to Install Jenkins on CentOS?

INSTALLATION:

Jenkins is an open-source software package for continuous software development. It is used to automate parts of the build, testing, delivery, and deployment of applications.

Step-1: Download Jenkins repositories.

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

$ sudo rpm --import https://pkg.jenkins.io/redhat/jenkins.io-2023.key

$ sudo dnf upgrade

Step-2: Add required dependencies for the jenkins package.

$ sudo dnf install fontconfig java-17-openjdk

$ sudo dnf install jenkins

Start Jenkins Service

To start the Jenkins service and enable it at startup, enter the following.

$ sudo systemctl start jenkins

$ sudo systemctl enable jenkins

To display the status of the Jenkins service, enter the following.

$ sudo systemctl status jenkins

Step 3: Open file.

vi jenkins

and paste below script in the file.

YOURPORT=8080

PERM="--permanent"

SERV="$PERM --service=jenkins"

firewall-cmd $PERM --new-service=jenkins

firewall-cmd $SERV --set-short="Jenkins ports"

firewall-cmd $SERV --set-description="Jenkins port exceptions"

firewall-cmd $SERV --add-port=$YOURPORT/tcp

firewall-cmd $PERM --add-service=jenkins

firewall-cmd --zone=public --add-service=http --permanent

firewall-cmd --reload

Step 4: Go to web browser and paste below url in the address bar.

https://localhost:8080

Thanks to our interns who participated in this initiative.

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