How to Install Jenkins in Centos 7

by admin · March 29, 2019

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Jenkins is one of the famous and most used CI/CD Tool in the IT Market today. It can be Integrated with many other tools like git hub , git lab , bit bucket and many more.. It can also be used for testing and as well as for performing automation.

Now Lets Install Jenkins in Centos 7

First of all we need to Install Java as Jenkins is written in java.

sudo su
yum install java -y

After Installing Java we need to setup Jenkins repo and gpg key

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

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

Now Lets Install Jenkins..

yum install jenkins -y

Now Lets start the Jenkins and enable the jenkins service.

systemctl restart jenkins
systemctl enable jenkins

Apply the firewall rule allow 8080/tcp port as Jenkins work on 8080 port.

firewall-cmd –permanent –add-port=8080/tcp
firewall-cmd –reload

Now open you web browser and type localhost:8080 or your_ip:8080

To get the default Password of Jenkins. cat the “/var/lib/jenkins/secrets/initialAdminPassword” file and copy the password and paste it on the jenkins dashboard.

cat /var/lib/jenkins/secrets/initialAdminPassword

Now, either you can go with “Install suggested plugins” or “Select plugins to Install” In Select plugins to install you will get a list of plugins to Install . I am installing suggested plugins.