```Step IV: [Linux distributions with systemd init system] -------- Install a script to invoke Elo service through systemd init at system startup. Check if systemd init is being used in your Linux distribution and then proceed with this installation step. If systemd init is not active, proceed with Step V of the installation. Check for active systemd init process. # ps -eaf | grep [s]ystemd # ps -eaf | grep init # ls -l /sbin/init ```