LAMP架构下Linux系统更新步骤如下：
更新软件包列表
sudo apt updatesudo yum check-updatesudo pacman -Syu升级系统软件包
sudo apt upgradesudo yum updatesudo pacman -Syu升级LAMP组件
sudo apt upgrade apache2sudo yum upgrade httpdsudo apt upgrade mysql-serversudo yum upgrade mariadb-serversudo apt upgrade php libapache2-mod-php php-mysqlsudo yum upgrade php php-mysql重启相关服务
sudo systemctl restart apache2 mysqlsudo systemctl restart httpd mariadb内核更新（可选）
sudo apt install linux-genericsudo yum install kernelsudo reboot自动化维护（可选）
unattended-upgrades实现自动更新yum-cron设置定时更新注意事项：
参考来源：
