https://blog.csdn.net/witsmakemen/article/details/22651365
[root@d bin]# rabbitmqctl start_app
Starting node rabbit@d ...
Error: unable to connect to node rabbit@d: nodedown
DIAGNOSTICS
===========
attempted to contact: [rabbit@d]
rabbit@d:
* connected to epmd (port 4369) on d
* epmd reports: node 'rabbit' not running at all
no other nodes on d
* suggestion: start the node
current node details:
- node name: 'rabbitmq-cli-10600@d'
- home dir: /var/lib/rabbitmq
- cookie hash: DMtPWf84TZZx78acX9dYtQ==
[root@d bin]# ll -as
/ hostname newname
查命令目录、数据目录、bin脚本代码
RabbitMQ - hostname change http://rabbitmq.1065348.n5.nabble.com/hostname-change-td24717.html