系统:centos
错误如下:
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
解决办法:(查看防火墙是否开放MySQL3306端口)
(前提:腾讯云安全组开发3306端口且账号密码输入正确)
1、查看端口
firewall-cmd --list-all
可以看到,3306端口没有开发
2、开放端口
firewall-cmd --zone=public --add-port=3306/tcp --permanent
3、重启防火墙
systemctl restart firewalld.service
4、查看端口