Go to https://account.milliways.info/ to activate your shell or add passwords/ssh keys.
! Probably you have to refresh the page to see changes !
IPv4 (legacy IP)
ssh -p 2222 <username>@shell.milliways.info
Host ipv4.shell.milliways.info HostName shell.milliways.info AddressFamily inet # force ipv4 Port 2222
With that config you can use it with the following command: