# identify the usb stick (device)camcontrol devlist<TS128GMSA370 O1225G> at scbus0 target 0 lun 0 (pass0,ada0)<Generic Ultra HS-COMBO 1.98> at scbus6 target 0 lun 0 (pass1,da0)<JetFlash Transcend 8GB 8.07> at scbus7 target 0 lun 0 (da1,pass2)# in my case is /dev/da1 the USB stick# mount -t ufs /dev/da1 /mnt# so now you can go to /boot at the USB stickcd /mnt/boot#edit the loader.conf.local (probably it will create a new one) ee loader.conf.local#an put the required lines in (some special properties for the netgate usb-serial interface)hint.uart.0.flags=0x0hint.uart.1.flags=0x10comconsole_speed="115200"comconsole_port="0x2F8"console="comconsole"kern.cam.boot_delay="10000"#save & quit (ESC) and unmountumount /mnt
root@OPNsense:~ # camcontrol devlist<CMI59CS2404-120 Q0330A0> at scbus1 target 0 lun 0 (pass0,ada0)<Kingston DataTraveler 2.0 PMAP> at scbus2 target 0 lun 0 (da0,pass1)root@OPNsense:~ # mount -t ufs /dev/da0p2 /mntmount: /dev/da0p2: No such file or directoryroot@OPNsense:~ # mount -t ufs /dev/da0p1 /mntmount: /dev/da0p1: No such file or directoryroot@OPNsense:~ # mount -t ufs /dev/da0p3 /mntmount: /dev/da0p3: No such file or directory
mount -t ufs /dev/da0 /mnt