[Solved] Centos Start rabbitmq Error: ERROR: epmd error for host “192“:badarg (unknown POSIX error)

You need to modify the Linux host name. The host name cannot be a number
use the command hostnamectl set hostname “host name”
then edit the hosts file VIM/etc/hosts, add hostname to 127.0.0.1
and save it. Restart the server and start rabbitmq successfully!

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