neo@neo-OptiPlex-780:~$ ssh-copy-id test@172.16.0.9
test@172.16.0.9's password:
Now try logging into the machine, with "ssh 'test@172.16.0.9'", and check in:

  ~/.ssh/authorized_keys

to make sure we haven't added extra keys that you weren't expecting.

neo@neo-OptiPlex-780:~$ ssh test@172.16.0.9
AN#
		

这样方便登录