Available in: Basic and Extended firmware
By default, Snapmaker firmware resets all system changes on reboot for stability.
To persist system-level changes to /etc (SSH passwords, authorized keys, etc.):
touch /oem/.debug
To restore pristine system state:
rm /oem/.debug
reboot
The /home/lava/printer_data directory always persists, regardless of /oem/.debug.
Firmware upgrades automatically remove all persisted changes and delete /oem/.debug.
After upgrading, you can re-enable persistence if needed:
touch /oem/.debug