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Recovery modes

The following recovery functions are currently available:

  • Run mode: restarts normally and runs the boot process
  • Recover mode: reboot into recovery mode for data retrieval
  • Install mode / factory mode: initialise the device from an onboard system image

See Using recovery modes for details on how these modes are accessed.

Run mode

When booting in run mode, the device will attempt to boot normally, with no further option to recover or reinstall the system unless the recovery process is reinstantiated.

Recover mode

In recovery mode, the device operates as it would from a pristine initial installation, including its snaps, via a temporary file system. This allows you to log in to the system using prior credentials to recover your data, either via SSH or locally after setting up a password for the user.

Rebooting from recovery mode will return the system to run mode.

Install mode / factory mode

With install mode, all existing user data on the device will be removed and the device will be initialised from the system version image dated and listed in the reinstall text.

After has bee initiated you will then need to step through the installation process of network configuration and account credentials again.

See Installation steps for further details on how the installation will proceed.

TPM provision failures:
Re-installation can fail if a device’s TPM is assigned to a previous installation. To solve this issue, reset or clear the TPM assignment from the device’s BIOS before selecting reinstall as a recovery mode.

Last updated 3 months ago. Help improve this document in the forum.