Secure connection to pigpiod

Prerequisites

• Client's SSH authorized key on remote pigpiod host
• pigpiod running with -l option (allow only localhost connection)

Command line

ssh -L 8888:localhost:8888 pi@pigpiod_hostname \  
-i /path/to/ssh/identity_file \  
-N -f

option descriptions

• -L Sets up local port forwarding. A socket listening on this host's port 8888 establishes a connection to the remote sshd pi@pigpiod_hostname requesting a connection to the destination localhost:8888.
• -i This host's private key.
• -N Don't run a command. (By default ssh opens a terminal or runs a command.)
• -f Run in background.

Run pigpio command on remote host

pigs hwver