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Add answer regarding rMPP filesystem to faqs.rst (#86)
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Co-authored-by: Nathaniel van Diepen <[email protected]>
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davidpkj and Eeems authored Nov 19, 2024
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Expand Up @@ -135,8 +135,32 @@ To allow ssh-rsa keys, add the following lines to your :ref:`ssh_config`:
PubkeyAcceptedKeyTypes +ssh-rsa
HostKeyAlgorithms +ssh-rsa
Why would I use SSH over USB instead of wifi?
=============================================

SSH over USB on the device is much faster than SSH over wifi.

Why do some changes not persist on the reMarkable Paper Pro?
============================================================

The reMarkable Paper Pro has the root filesystem marked as read only, and certain folders have `overlays <https://en.wikipedia.org/wiki/OverlayFS>`_ where any changes will not persist between reboots.

To make the root filesystem read-write:

.. code-block:: shell
mount -o remount,rw /
If you need to make a change to a folder that is mounted as an overlay, you can just unmount the overlay. For example:

.. code-block:: shell
umount -l /etc
To see a full list of folders that have an overlay you can run the following command:

.. code-block:: shell
mount | grep overlay
After making your changes and rebooting you should see your changes persist. But the overlay will be back and the filesystem will be read-only again.

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