Jenkins Installation in Ubuntu 20.04

JDK8 or OpenJDK8 should be installed.

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

$ sudo sh -c 'echo deb http://pkg.jenkins-ci.org/debian binary/ > /etc/apt/sources.list.d/jenkins.list'

$ sudo apt-get update && sudo apt-get install -y jenkins

$ sudo vi /etc/init.d/jenkins

add to PATH

:/opt/jdk/bin

$ sudo service jenkins restart

$ sudo service jenkins status

http://:8080/

Get the default password:

$ sudo cat /var/lib/jenkins/secrets/initialAdminPassword