Edit file File name : zabbix-agent.service Content :[Unit] Description=Zabbix Agent After=syslog.target After=network.target [Service] Environment="CONFFILE=/etc/zabbix/zabbix_agentd.conf" EnvironmentFile=-/etc/default/zabbix-agent Type=forking Restart=on-failure PIDFile=/run/zabbix/zabbix_agentd.pid KillMode=control-group ExecStart=/usr/sbin/zabbix_agentd -c $CONFFILE ExecStop=/bin/sh -c '[ -n "$1" ] && kill -s TERM "$1"' -- "$MAINPID" RestartSec=10s User=zabbix Group=zabbix [Install] WantedBy=multi-user.target Save