I want to power off an Antminer D3.
I have read online that the best way to do it is by connecting via ssh and executing
However, I cannot login from my Mac to the miner with
ssh -p 22 firstname.lastname@example.org or
It does not accept the default password "root":
Permission denied, please try again.
How can I log in and do I really have to shut down the miner this way? It makes sense to not turn off the fans immediately by unplugging the PSU.