If you want to wipe all settings (Docker containers, VMs, network settings, and drive assignments) but keep the Unraid OS on the USB stick, you must perform a "New Config."
Open a terminal (or SSH).
If you are locked out of your Unraid webGUI , you can reset the root password by editing the configuration files on your USB boot device. reset unraid
: After the new config, you can format the drives from the Main tab to permanently delete all existing data. 2. Reset Settings Only (Keep Array Data) If you want to wipe all settings (Docker