How to setup Jenkins on Redhat Enterprise Linux? Jenkins installation on RedHat Linux - Install Jenkins on RedHat Linux

Here are the steps for installing Jenkins on RedHat Enterprise Linux.

You need to setup Java first.

Make sure you have installed wget.

sudo yum install wget -y

Java Installation

Download Java from Oracle site.

sudo wget --no-check-certificate --no-cookies --header 'Cookie: oraclelicense=accept-securebackup-cookie' 'http://download.oracle.com/otn-pub/java/jdk/8u141-b15/336fa29ff2bb4ef291e347e091f7f4a7/jdk-8u141-linux-x64.rpm'


Install from RPM
sudo  rpm -i jdk-8u141-linux-x64.rpm

Add Jenkins repository to yum repository

sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.repo
sudo rpm --import https://jenkins-ci.org/redhat/jenkins-ci.org.key

Install Jenkins
sudo yum install jenkins -y

Start Jenkins
sudo service jenkins start
sudo service jenkins status

You should see below message. that confirms that Jenkins is up and running.
 jenkins.service - LSB: Jenkins Automation Server
   Loaded: loaded (/etc/rc.d/init.d/jenkins; bad; vendor preset: disabled)
   Active: active (running) since Fri 2018-06-08 19:41:28 UTC; 4min 34s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 15404 ExecStart=/etc/rc.d/init.d/jenkins start (code=exited, status=0/SUCCESS)
   CGroup: /system.slice/jenkins.service

Get Jenkins Admin Password
sudo cat /var/lib/jenkins/secrets/initialAdminPassword

Copy the output of the above command.
Now go to browser and access the Jenkins page.

http://your_server_name:8080

Your page will look something like this. Now paste the password into the below Administrator password text box.

Press Continue..Click on install suggested plug-ins..

That's it Jenkins is successfully installed..