How To Install Jenkins On Ubuntu 20.04 machine

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add the repository key to the system by fetching it from the remote repo using wget
please ensure that you already have wget installed on your laptop

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

Next, append the Debian package repository address to the server’s sources.list:

***** IMP – in this command below, put an angled bracket after binary/, youtube doesn’t allow angled brackets in comments so i was unable to place it here.

sudo sh -c ‘echo deb http://pkg.jenkins.io/debian-stable binary/ /etc/apt/sources.list.d/jenkins.list’

sudo apt update

sudo apt install jenkins

sudo systemctl start jenkins

sudo systemctl status jenkins

sudo ufw allow 8080

sudo ufw status

http://your_server_ip_or_domain:8080

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

source

ubuntu 20.04