Cerberus is the 3-screen display board currently located outside the clubroom by the door.

== UCC Machine History ==
Cerberus is was donated to the clubroom in 2015 from the [[http://www.business.uwa.edu.au/|UWA Business School]]. It sat around outside before it was installed with it's previous setup by [BG3] and [TBB].

Since a reinstall done by [FVP] in February 2018 the machine now runs Linux using `nodm` (display manager) with `matchbox` (window manager) and Firefox to display a custom webpage for the content.

== Current Machine Tasks ==
 * Display events and coke prices
 * Display UCC propaganda

= Managing Cerberus content =

'''Look in `/services/http/kiosk/` to find the HTML/JS/CSS source for Cerberus.'''

 * It is recommended to have a basic understanding of Javascript in order to modify the items displayed on Cerberus.
 * The file `script/config.js` contains all the relevant information for configuring Cerberus.

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= "Low-level" configuration =

== Current Software Configuration ==
 * X11 (using static custom configuration at `/etc/X11/xorg.conf.d/10-cerberus.conf`)
 * VNC (listens on `localhost:5900`)
 * [[https://github.com/spanezz/nodm/|nodm]] (starts X session as user `cerberus` with custom session script at `/usr/local/bin/cerberus-session`)
 * [[http://matchbox-project.org/|matchbox-window-manager]] (minimal window manager, no custom configuration required)
 * Firefox (opened by `cerberus-session` and set fullscreen with `xdotool` to send F11 key): opens [[https://www.ucc.asn.au/kiosk/index.html]].

== Current hardware configuration ==
 * Three 4:3 1280x1024 19" screens: minimum approximately 385x345mm , maximum approximately 415x355mm
   * 2*DVI, 1*VGA, was
     * --(upper screen connected to DVI-1)--
     * --(middle screen connected to DVI-0)--
     * --(lower screen connected to DisplayPort-0)--
     * was Sony 414x350mm SDM-95F 2005-08 (2/3 failed @2020)
 * AMD Radeon HD 5850 dedicated graphics
  * See above-mentioned Xorg config for details.
 * 8GB DDR3 RAM (4x2GB)
 * Bluetooth mouse/keyboard combo; placed on top of the shelf, right of the main UCC door.

== Thanks to: ==
 * UWA Business School for their donation.
 * [FVP], [BG3], [TBB] for setting up [[Cerberus]]