RabbitMQ
若状态为dead,则未开启防火墙
bashsystemctl status firewalld
systemctl status firewalld
bash[root@iZbp1 ~]# systemctl stop mysqld
[root@iZbp1 ~]# systemctl stop mysqld
bashyum remove mysql -y # 查找残留文件,rm -rf 移除文件 find / -name mysql
yum remove mysql -y # 查找残留文件,rm -rf 移除文件 find / -name mysql