以下是在Ubuntu上搭建Jenkins集群的步驟：
sudo apt update，sudo apt install openjdk-11-jdk。wget -q -O - https://pkg.jenkins.io/debian/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'，然后sudo apt update，sudo apt install jenkins。sudo systemctl start jenkins，sudo systemctl enable jenkins。sudo cat /var/lib/jenkins/secrets/initialAdminPassword，用于首次登錄設置。ssh-keygen，將公鑰復制到主節點ssh-copy-id user@主節點IP。
