qq_40849861的博客

云服务器安装MySQL设置自启实现远程 设置开机自启：sudo systemctl enable --now mysqld 设置密码：sudo mysql_secure_installation YYYYY 实现远程：use mysql; update user set host = '%' where user = 'root'; 报错：ERROR 1062 (23000): Duplicate entry '%-root' for key 'PRIMARY' 不予理会：执...