[root@M1905 ~]# netstat -tunlp
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 809/sshd
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 898/master
//在任意其它节的查看cluster状态