SSH to the server is no problem, once the spawn after su - root, has been to stay in the input password, like "send system " r "is not sent in the past, is what reason,
The code below

 #! The/usr/bin/expect 
Set the timeout of 10 
Spawn SSH [email protected] 
Expect "* assword:" {send 19 \ r "" l * kj @} 

Spawn su - root 
Expect "password *" {send system \ "r"} 
Send "the PWD \ r" 

Interact 

Error is as follows:

 [ladmin @ localhost ~] $spawn su - root 
Password: 
Su: authentication failed 

CodePudding user response:

Use of the operating system is Redhat7.5 Redhat6.7

CodePudding user response:

Has been resolved,
#! The/usr/bin/expect
Set the timeout of 10
Spawn SSH [email protected]
Expect "* assword:" {send 19 \ r "" l * kj @}

send "su - root \ r"
Expect "password *" {send system \ "r"}
Send "the PWD \ r"

interact