Jenkins

1.Install Java SDK

sudo apt-get install default-jre -y

sudo apt-get install default-jdk -y

2.Download jenkins

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

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

3.Install

sudo apt update

sudo apt install jenkins -y

sudo service jenkins start

sudo ufw allow 8080

4.Default password

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