A modern typesetting tool as an alternative to TeX. The clear syntax is not a lot more complicated than markdown yet it supports a lot of typesetting features, scripting, math symbols, etc. The syntax is certainly a huge improvement comparing to the obscure TeX. I may give it a try when there is an Emacs mode for that.

An interesting approach towards procedurely generated level/room/dungeon: specify various constraints and use a solver to place the objects on the tiles.

Small utility for generating DHCP options for pushing static routes to devices via DHCP.

The article explains how to use a CA (certificate authority) with SSH (secure shell) to sign host and user keys, which allows for easier authentication and management of large numbers of machines or users.