Link a node in the redis cluster
[root@centos ~]# ./redis-cli -h 192.168.25.128 -p 7001 -c
View node information command
192.168.25.128:7001> cluster nodes
[root@centos ~]# ./redis-cli -h 192.168.25.128 -p 7001 -c
192.168.25.128:7001> cluster nodes