A simple matter of…

Or perhaps anti-”Pro Ubuntu Server Administration” would be a more accurate title. Anyhow, my first HantsLUG [http://hants.lug.org.uk/cgi-bin/wiki.pl?BookReviews/ProUbuntuServerAdministration book review].

I wonder if anyone makes a “warning: no lights” sensor for car parks, petrol stations etc. Pretty simple really – a sensor to detect daylight (or lack of), a sensor that detects headlights (either a camera or a simple light sensor – for example mounted on a car park wall) and a sign that illuminates [...]