2003 -Can‘t connect to MySQL server on‘192.168.‘(10060 “Unknown error“
关闭防火墙：systemctl stop firewalld 或 systemctl stop firewalld.service
启动防火墙：systemctl start firewalld
关闭防火墙：systemctl stop firewalld 或 systemctl stop firewalld.service
启动防火墙：systemctl start firewalld