First copy the file opnsense_zbx.php to your opnsense box (e.g. to /root/scripts)
connect with ssh on opnsense and send this command:
curl --create-dirs -o /root/scripts/pfsense_zbx.php https://raw.githubusercontent.com/dblanque/opnsense-zabbix/main/opnsense_zbx.php
in a readme guide you are forget to insert:
First copy the file opnsense_zbx.php to your opnsense box (e.g. to /root/scripts) connect with ssh on opnsense and send this command:
curl --create-dirs -o /root/scripts/pfsense_zbx.php https://raw.githubusercontent.com/dblanque/opnsense-zabbix/main/opnsense_zbx.php