benutzername@server:~$ ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/home/benutzername/.ssh/id_rsa):
Created directory '/home/benutzername/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/benutzername/.ssh/id_rsa.
Your public key has been saved in /home/benutzername/.ssh/id_rsa.pub.
The key fingerprint is:
xxxx benutzername@server.de
The key's randomart image is:
+--[ RSA 2048]----+
| .. |
| ..E |
| + o.+ |
| = B O.. |
| . * B .S |
| . o . |
| o |
| o o. |
| =o |
+-----------------+
benutzername@server:~$ ssh-copy-id -i ~/.ssh/id_rsa.pub '-p 555 benutzername@ip-adresse'
The authenticity of host '[ip-adresse]:555 ([ip-adresse]:555)' can't be established.
RSA key fingerprint is xxx
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '[ip-adresse]:1974' (RSA) to the list of known hosts.
benutzername@ip-adresse's password:
Now try logging into the machine, with "ssh '-p 555 benutzername@ip-adresse'", and check in:
.ssh/authorized_keys
to make sure we haven't added extra keys that you weren't expecting.
benutzername@server:~$