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+# Printscan server
+## Version 2
+
+This repository contains files used to set up our printscan server on a freshly installed Armbian. Confirmed to work
+with Buster.
+
+### Introduction
+(see wiki for need and concept explanation)
+
+Version 2 implementation works roughly as follows:
+* the Armbian-based device is connected to local network, and an all-in-one printer is connected to it via USB;
+* SANE and CUPS services are installed and running on the device;
+* CUPS is configured to provide a remote printer to network;
+* SANE is configured for local use only (default behaviour);
+* An headless X server is activable via [noVNC](https://github.com/novnc/noVNC);
+* This X session presents [Simple Scan](https://github.com/GNOME/simple-scan) tool, allowing users to perform scans;
+* The resulted document is automatically uploaded to Kloud, in a temporary directory;
+* Every night, the directory from previous day is removed from Kloud.
+
+### Files
+#### Installation
+* `setup.sh` is a script automating the installation and configuration of required software
+#### Run
+* `novnc.service`, `vnc.socket` and `vnc@.service` manage the headless X session
+* `scan.mount` configures a tmpfs at boot where to store scanned documents before they're sent to Kloud
+* `scan-to-cloud.{sh,service,path}` trigger and manage the upload to Kloud
+* `clean-cloud.{sh,service,timer}` trigger and manage the removal of previous directory from Kloud