expect_m3.sh

#!/usr/bin/expect -f

# Set timeout for the script
set timeout 60

# Define variables for the second server
set my_server "midway3.rcc.uchicago.edu"
set my_username "pnsinha"
set my_password "your_password_here"  ;

# Start the SSH session to the second server
spawn ssh $my_username@$my_server

# Handle the password prompt
expect {
    "yes/no" {
        send "yes\r"
        expect "*?assword:*"
        send "$my_password\r"
    }
    "*?assword:*" {
        send "$my_password\r"
    }
}

# Wait for 2 seconds after entering the password
sleep 2

# Handle the Duo two-factor authentication prompt
expect {
    "Passcode or option (1-4):" {
        send "2\r"  ;# Automatically select option 2 for Duo Push
    }
    timeout {
        puts "Duo prompt not received in time."
        exit 1
    }
}

# Interact with the server
expect "$ "  ;
interact