Debian系統中Jenkins有以下兩種升級方式：
wget -q -O - https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo apt-key add -，sudo sh -c 'echo deb https://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'。sudo apt update。sudo apt install jenkins。sudo systemctl restart jenkins。sudo systemctl status jenkins。/var/lib/jenkins目錄及/usr/share/jenkins/jenkins.war文件。wget https://mirrors.tuna.tsinghua.edu.cn/jenkins/war/latest/jenkins.war -P /opt（示例，可自定義路徑）。sudo systemctl stop jenkins。sudo cp /opt/jenkins.war /usr/share/jenkins/。sudo systemctl start jenkins。
