How to enable SSH?

[ICLlP]

Thanks Tim.

I think I may have messed up again. Does this give you any clues?

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Thu Jul 26 12:37:46 2018 from 192.168.1.68
pi@moode:~ $ Connection to 192.168.1.76 closed by remote host.
Connection to 192.168.1.76 closed.
27-inch-iMac:~ ifor$ ssh 192.168.1.76
ifor@192.168.1.76's password:
Connection closed by 192.168.1.76 port 22
27-inch-iMac:~ ifor$ ssh 192.168.1.76
ifor@192.168.1.76's password:
Permission denied, please try again.
ifor@192.168.1.76's password:
Connection closed by 192.168.1.76 port 22
27-inch-iMac:~ ifor$ ssh 192.168.1.76
ifor@192.168.1.76's password:
Permission denied, please try again.
ifor@192.168.1.76's password:
Permission denied, please try again.