I've worked on and off with Tristram developing my software. Tristram posted a very good instructable on building an SLA based machine. You can view it here:
Tristram Budels' Build
[phpBB Debug] PHP Warning: in file [ROOT]/vendor/twig/twig/lib/Twig/Extension/Core.php on line 1266: count(): Parameter must be an array or an object that implements Countable