Photon OS manages services with
systemctl, its command-line utility for inspecting and controlling the system. It does not use the deprecated commands of
Basic system administration commands on Photon OS differ from those on operating systems that use SysVinit. Since Photon OS uses systemd instead of SysVinit, you must use systemd commands to manage services.
For example, instead of running the /etc/init.d/ssh script to stop and start the OpenSSH server on a init.d-based Linux system, you control the service by running the following systemctl commands on Photon OS:
systemctl stop sshd systemctl start sshd