Assuming that the user you are going to use in remote.host is the same you use in local.host
In order to do that you have to first authorize your local.host to connect to you remote.host with no password.
To do that you have to: (as described here)
Step 1: Install ssh
sudo apt-get install ssh
Step 2: Create public and private keys using ssh-key-gen on local-host
On your local host, enter this command:
You should save the generated key in:
Press enter twice to leave the passphrase empty.
Your identification has been saved in /home/yourusername/.ssh/id_rsa.
Your public key has been saved in /home/yourusername/.ssh/id_rsa.pub.
The key fingerprint is:
Step 3: Copy the public key to remote-host using ssh-copy-id
yourusername@local-host$ ssh-copy-id -i ~/.ssh/id_rsa.pub remote-host
Now try logging into the machine, with "ssh remote-host", and check in:
to make sure we haven't added extra keys that you weren't expecting.
Note: ssh-copy-id appends the keys to the remote-host’s /home/yourusername/.ssh/authorized_key
Step 4: Login to remote-host without entering the password
Access to remote-host with no password. Success!
Now you have to be able to execute the sudo shutdown -P 0 with no password.
Modify /etc/sudoers on remote.host with visudo
That way user "yourusername" can execute the shutdown command with no password asked.
Login to the remote host.
By running visudo, it leads to edit /etc/sudoers.
Adding the line below to that file.
yourusername ALL = NOPASSWD: /sbin/shutdown
Done that, get back to your local.host
Create a new empty file and paste this line, modifying the remote.host's name
ssh remote.host sudo shutdown -P 0
Save and close it, go to it's Properties slide to Permissions, and tic the execute this file as a program