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{{:Secure Shell - auto login ssh}}The OpenSSH ssh utility doesn't accept a password on the command line or on its standard input. The nanny mentality whereby the developer protects us from ourselves by preventing us from doing something that compromises security, even though the result may be worse. OPTIONS FOR SSH AUTOMATED# Use an SSH key for authentication, instead of a password.# Use sshpass, expect, or a similar tool to automate responding to the password prompt.# Use the SSH_ASKPASS feature to get ssh to get the password by running another program.# Use the insecure host-based authentication, sometimes common on private networks.# Use a custom or modified ssh client adapted from source code, or one that allows for stored password. === sshpass ===Install the sshpass utility so that you can automate ssh login including password. apt install sshpassNow you can automate the login process sshpass -p "mysecretpass" ssh -o StrictHostKeyChecking=no nicolep@192.168.100.10Custom port example: sshpass -p "mysecretpass" ssh -o StrictHostKeyChecking=no nicolep@192.168.100.10:9600 === public key authentication ===In the source host run this only once: ssh-keygen -t rsa Now you've generated the public key. It needs to be copied onto the remote host. ssh-copy-id -i ~/.ssh/id_rsa.pub nicolep@192.168.100.10add identities to the ssh-agent – the authentication agent on the local host. ssh-addnow press ENTER to every field ssh-copy-id nicolep@192.168.100.10 === expect ===Example script #!/usr/bin/expect set timeout 15 set cmd [lrange $argv 1 end] set password [lindex $argv 0] eval spawn $cmd expect "assword:" send "$password\r"; interact Another example #!/usr/bin/expect -f # ./ssh.exp password 192.168.100.10 id set pass [lrange $argv 0 0] set server [lrange $argv 1 1] set name [lrange $argv 2 2] spawn ssh $name@$server match_max 100000 expect "*?assword:*" send -- "$pass\r" send -- "\r" interact And finally, a more elaborate example can be found here:* http://www.techpaste.com/2016/02/ssh-login-with-password/