Public keys for authentication

Authentication with SSH works with public keys sent from the remote system. If an SSH client needs to connect to an SSH server, the server sends the public key to the client, which then looks for that key in its files. The following situations can occur here:

After successfully verifying the server key, the administrator can enter the password for accessing the remote system. The password cannot be entered directly at the command line.

SSH connections are usually closed at the server, e.g. by entering exit in the shell. Sometimes it may be necessary to close the SSH connection with the client, e.g. if the application on the server has problems. The SSH client in LCOS uses the same character string as OpenSSH to close the connection, i.e. ‘tilde - dot’.

Note: If the LCOS CLI session itself was opened with an OpenSSH client, you must use the string ‘tilde – tilde – dot’; otherwise the wrong connection will be closed.

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