Job for rabbitmq-server.service failed because the control process exited with error code. See “syst

如果启动时报

Job for rabbitmq-server.service failed because the control process
exited with error code. See “systemctl status rabbitmq-server.service”
and “journalctl -xe” for details.

使用 journalctl -xe 命令进一步查看问题
ERROR: epmd error for host 192: badarg (unknown POSIX error)

解决方法
vi /etc/rabbitmq/rabbitmq-env.conf

在文件中添加一行：NODENAME=rabbit@localhost
rabbitmq-env.conf没有这个文件，打开之后自动创建
保存并退出

启动rabbitmq