opnsense-update -uopnsense-shell reboot
##### For OPNSense running FreeBSD 13pkg add https://pkg.freebsd.org/FreeBSD:13:amd64/latest/All/xymon-client-4.3.30.pkgvi /usr/local/www/xymon/client/runclient.sh - Change MACHINEDOTSvi /usr/local/www/xymon/client/etc/xymonclient.cfg - Change XYMSRVvi /usr/local/etc/rc.syshook.d/start/99-xymon-clientAdd below lines between cut and /cut---cut---#!/bin/sh/usr/local/www/xymon/client/runclient.sh start---/cut---Savechmod +x /usr/local/etc/rc.syshook.d/start/99-xymon-clientcp /usr/local/etc/rc.syshook.d/start/99-xymon-client /usr/local/etc/rc.syshook.d/stop/99-xymon-clientEdit /usr/local/etc/rc.syshook.d/stop/99-xymon-client and change start to stopTest with:/usr/local/etc/rc.syshook.d/stop/99-xymon-client/usr/local/etc/rc.syshook.d/start/99-xymon-clientReboot to validate autostart
... The only thing that didn't come back was the installed packages, which is expected and easy to remediate....