mysql Linux安装参考 # 获取安装包: wget yum -y install mysql80-community-release-el7-3.noarch.rpm yum -y install mysql-community-server --nogpgcheck # 启动mysql服务: systemctl start mysqld.service # 查看默认密码: cat /var/log/mysqld.log | grep password # 使用默认密码登录: mysql -uroot -p # 修改密码为Root1234!,开放远程连接, 其中localhost是允许的ip: alter user'root'@'localhost' identified with mysql_native_password by 'Root1234!'; update mysql.user set host='%' where user='root'; flush privileges;