摘要：
所有操作均在MySQL命令行下执行，进入MySQL命令行：mysql -uroot -p #允许root账户远程登录 update mysql.user set host='%' where user='root'; #刷新权限表 FLUSH PRIVILEGES; 一些其他配置 #禁止root账户 阅读全文
摘要：
新装的centos7.9，mysql8.0.32，启动jar报错 Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has no 阅读全文