升级Ubuntu Jenkins版本主要有以下两种方法:
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'。sudo apt-get update。sudo apt-get upgrade jenkins;若要安装特定版本,可先通过apt-cache madison jenkins查看可用版本,再用sudo apt-get install jenkins=<version>安装。sudo systemctl restart jenkins。sudo systemctl stop jenkins。sudo cp /usr/share/jenkins/jenkins.war /usr/share/jenkins/jenkins.war.bak。sudo rm /usr/share/jenkins/jenkins.war。