or you can use :
file location: /etc/systemd/system/netxms-server.service
[Unit]
Description=NetXMS Monitoring Server
[Service]
Type=forking
ExecStart=/usr/local/bin/netxmsd -d
Wants = mariadb.service
[Install]
WantedBy=multi-user.target
and:
file location: /etc/systemd/system/netxms-agent.service
[Unit]
Description=NetXMS Monitoring Agent
[Service]
Type=forking
ExecStart=/usr/local/bin/nxagentd -d
[Install]
WantedBy=multi-user.target
and after:
systemctl enable netxms-server
systemctl enable netxms-agent
systemctl start netxms-server
systemctl start netxms-agent