$ sudo systemctl enable ssh Synchronizing state of ssh.service with SysV service script with /usr/lib/systemd/systemd-sysv-install. Executing: /usr/lib/systemd/systemd-sysv-install enable ssh Created symlink /etc/systemd/system/sshd.service → /usr/lib/systemd/system/ssh.service. Created symlink /etc/systemd/system/multi-user.target.wants/ssh.service → /usr/lib/systemd/system/ssh.service.