Many newer Linux distributions use systemd as a service manager. The instructions below detail how to configure ESET products to run on distributions where systemd is a service manager.
Useful resources:
[Unit] Description=ESET Scanner Daemon After=network.target [Service] ExecStart=/opt/eset/esets/sbin/esets_daemon ExecReload=/bin/kill -HUP $MAINPID KillMode=process PIDFile=/var/run/esets_daemon.pid Restart=always Type=forking [Install] WantedBy=multi-user.target