linux shell ssh实现自动登录，并且执行一些操作并返回到当前主机

#!/usr/bin/expect -f

#-------------------------------------------------- about us

# product: monitorone

# Author:matthew

# Last Modified: xxx

# version:xxx

# user:this script will help you to monitor many linux(unix) machine

# license: this script is based GPL

set loginuser "user"

set loginpass {password}

set ipaddr [lrange $argv 0 0]

set timeout 300

set cmd_prompt "]#|~]?"

#-------------------------------------------------- login by ssh

spawn ssh $loginuser@$ipaddr

set timeout 300

expect {

-re "Are you sure you want to continue connecting (yes/no)?" {

send "yes\r"

} -re "assword:" {

send "${loginpass}\r"

} -re "Permission denied, please try again." {

exit

} -re "Connection refused" {

exit

} timeout {

exit

} eof {

exit

}

}

expect {

-re "assword:" {

send "$loginpass\r"

}

-re $cmd_prompt {

send "\r"

}

}

#---------------------------------------------------- now,we do some commands

#exec sleep 1

expect {

-re $cmd_prompt {

send "sudo su -\r"

send "touch /opt/2222222222222.c\r"

}

}

exit

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