Installing Jenkins in EC2

SSH into your instance
Enable root privilege: $ sudo -i
Install java: $ yum install java-1.8.0-*
go to : https://jenkins.io/download/
Select desired package (In this case RedHat)
Follow instructions as given on the cli
Install jenkins: $yum install jenkins
Start Jenkins service : $service jenkins start
To check if Jenkins was installed properly–> go to this url in browser: public_ip_of_instance:8080
Copy path generated in cli and paste on browser with cat command to view the password:
$ cat /var/lib/jenkins/secrets/initialAdminPassword
Copy the password and paste it
Intsall Suggested Plugins
Enter the credentials as required
Start using jenkins