mysql linux上安装步骤 mysql linux上安装步骤: wget获取安装源 rpm -ivh 安装(解压)mysql源 yum 命令 在线安装 systemctl start mysqld === 启动 systemctl status mysqld === 查看MySQL是否启动成功,运行状态 grep 'temporary password' /var/log/mysqld.log show variables like 'validate_password%';