Various servers installation guides for Debian GNU/Linux
OpenVPN allow to create Virtual Private Networks protected by a OpenSSL encryption. It is a great alternative to PPtP (Microsoft) or IPSec technologies. Available on many Operating Systems (Microsoft Windows, GNU / Linux, Apple MacOS X, ...), it is a simple way to create a VPN between heterogeneous computers.
Bind is a Domain Name System server largely used in the Unix world. Its great flexibility is associated with a quite complex configuration. This howto try to list most important configuration options of Bind 9.