linux远程登录，此脚本可直接进行测试ip、username、password替换正确的即可
#!/usr/bin/expect
# set：设置变量
set timeout 30
set host "172.17.0.5"
set username "root"
set password "test@123"
# spawn：启动新的进程
spawn ssh $username@$host
# expect：从进程接收字符串(捕获字符串：*password*)，\r字段，表示换行
expect "*password*" {send "$password\r"}
expect "*connecting*" {send "yes\r"}
# send：用于向进程发送字符串
send "touch test.txt\r\n"
send "touch test1.txt\r\n"
# interact：允许用户交互
interact
# 执行完需要等一会
