Debian 上 Jenkins 的更新与升级指南
一 升级前准备
sudo cp -a /var/lib/jenkins /var/lib/jenkins_backup;如为 WAR 部署,先备份如 /usr/share/jenkins/jenkins.war。java -version。二 通过 APT 的标准升级(推荐)
sudo apt update。sudo apt install jenkins(已安装会自动升级到仓库最新版本)。sudo apt install --only-upgrade jenkins。sudo systemctl restart jenkins。sudo systemctl status jenkins。三 使用官方 APT 源的正确方式
sudo wget -O /usr/share/keyrings/jenkins-keyring.asc https://pkg.jenkins.io/debian/jenkins.io-2023.keyecho "deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] https://pkg.jenkins.io/debian-stable binary/" | sudo tee /etc/apt/sources.list.d/jenkins.list > /devrefsudo apt update && sudo apt install jenkins。四 故障排查与回滚
sudo journalctl -u jenkins 或查看 /var/log/jenkins/jenkins.log。sudo systemctl stop jenkinssudo cp /usr/share/jenkins/jenkins.war.bak /usr/share/jenkins/jenkins.warsudo systemctl start jenkinssudo apt install jenkins=<上一版本号>五 升级后的维护建议