How to perform ssh connection

1 Purpose[edit]

This article describes how to perform remote connection using the ssh[1] tool.

1.1 Perform ssh connection[edit]

On host PC, one can type:

If it is a first connection:

  ssh root@
 The authenticity of host ' (' can't be established.
 ECDSA key fingerprint is a0:a2:a3:09:b4:99:b3:90:6a:d0:35:05:6e:37:d0:6e.
 Are you sure you want to continue connecting (yes/no)? yes
 Warning: Permanently added '' (ECDSA) to the list of known hosts.


 ssh root@

If the below error message is showing, it means that sshd is not running on the target:

 ssh root@
 ssh: connect to host port 22: Connection refused
On stm32mp1, one can type:
 mkdir /var/run/sshd
 /etc/init.d/sshd restart
In the console, the following log should appear:
 mkdir /var/run/sshd
 /etc/init.d/sshd restart
   generating ssh RSA key...
   generating ssh ECDSA key...
   generating ssh DSA key...
   generating ssh ED25519 key...
 Restarting OpenBSD Secure Shell server: sshdno /usr/sbin/sshd found; none killed

2 References[edit]

  1. [1] ifconfig