This will allow you to access your remarkable files & be able to upload new ones anywhere in the world so long as the device has an internet connection. Any version of the device will work - no toltec installation needed.
wget https://raw.githubusercontent.com/rM-self-serve/webinterface-onboot/master/install-webint-ob.sh && bash install-webint-ob.sh && source ~/.bashrc
webinterface-onboot apply-hack
systemctl enable --now webinterface-onboot
wget https://raw.githubusercontent.com/rM-self-serve/webinterface-upload-button/master/install-webint-upldbtn.sh && bash install-webint-upldbtn.sh