pacman -S openssh
systemctl start sshd.service
systemctl enable sshd.service
ssh localhost
Optional: Could also modify the config file
root@dc1-lan1-server:~# more /etc/ssh/sshd_config | grep PermitRootLogin
PermitRootLogin yes <<<<<<< Add this one
vi /etc/ssh/sshd_config
systemctl restart sshd.service