ssh -p $port $user@$p 'cmd'  

$port : ssh连接端口号  

$ip:ssh连接的ip地址  

-t      Force pseudo-tty allocation.  This can be used to execute arbitrary screen-based programs on a remote machine, which can be very useful, e.g. when implementing menu services.  Multiple -t options force tty allocation, even if ssh has no local tty.  

ssh -t -p $port $user@$ip  'cmd'  

#!/bin/bash  

#变量定义  

user="test1"  

for ip in ${ip_array[*]}  

   if [ $ip = "192.168.1.1" ]; then  

   else  

   fi  

done