more remote_purge_cache.sh(代码来自他人贡献，不知原作者，如有问题，请告知，然后再加上出处)
#!/bin/bash
cd /usr/local/bin
for i in `awk '{print $1}' passwd.txt`
do
j=`awk -v I="$i" '{if(I==$1)print $2}' passwd.txt`
ssh.exp $j $i purge_cache.sh
done

more  ssh.exp(代码来自他人贡献，不知原作者，如有问题，请告知，然后再加上出处)
#!/usr/bin/expect
set password [lrange $argv 0 0]
set ipaddr [lrange $argv 1 1]
set scriptname [lrange $argv 2 2]
set arg1 [lrange $argv 3 3]
set timeout -1
spawn ssh [email=root@$ipaddr]root@$ipaddr[/email] $scriptname $arg1
match_max 100000
expect "(yes/no)?" {
send "yes\r"
expect "password:"
send "$password\r"
} "password:" {send "$password\r"} "*host " {exit 1}
interact

#!/bin/sh
 /usr/local/varnish/bin/varnishadm -T 127.0.0.1:3500 url.purge *$

more passwd.txt
192.168.0.1  password1

注意：密码文件不能有特殊字符