This tutorial shows how to install and use mod_python on various distributions (Debian/Ubuntu, Fedora/CentOS, Mandriva, OpenSUSE) with Apache2. mod_python is an Apache module that embeds the Python interpreter within the server. It allows you to write web-based applications in Python that will run many times faster than traditional CGI and will have access to advanced features such as ability to retain database connections and other data between hits and access to Apache internals.

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Find out about decNumber, a high-performance decimal arithmetic library in ANSI C, especially suitable for commercial and human-oriented applications. The library consists of several modules that provide direct support for integer, fixed-point, and floating-point decimal numbers, arbitrary precision values and special values and much more.

This tutorial describes how you can encrypt an Ubuntu 8.04 (Hardy Heron) system right during the initial installation.

http://www.howtoforge.com/encrypting-the-system-manually-upon-installation-ubuntu8.04

Get more coherent queries across your Web 2.0 application. The solution in this article introduces the notion of roles and communities of practice (CoPs). Combine these with a client-slide tag management capability to achieve a consistent set of tags across Web 2.0-enabled applications, which can be queried against.

DjbDNS is a collection of Domain Name System tools. It includes software for all the fundamental DNS operations. This tutorial shows how to set it up on an Ubuntu 8.04 AMD64 server.

http://www.howtoforge.com/perfect-djbdns-setup-on-ubuntu8.04-amd64

Discover Pass It Along, a peer-to-peer knowledge exchange network basic premise is that everyone has expertise to share. Anyone can package his or her expertise into bite-sized nuggets of knowledge called topics, which can be "passed on" to others. Over time, a community of contributors, experts, and learners develops around these nuggets of knowledge.

Discover the Model Transformation Framework, a set of tools that helps users make comparisons, check uniformity, and execute transformations between Eclipse Modeling Framework models. The framework also supports persistence of a record of what was mapped to what by the transformation.

rsnapshot is easy, reliable and disaster recovery backup solution. It is a remote backup program that uses rsync to take backup snapshots of filesystems. It uses hard links to save space on disk.

You can easily build remote / local backup server to keep snapshots in in hourly, daily and monthly format. Debian Linux specific insurrections are here.

This howto shows how to unlock multiple devices in the intial ramdisk remotely. I suggest to use a keyfile for automatic unlocking. The keyfile should be stored in the normally encrypted root partition - so you still have to unlock that one. During boot process it will then be used to unlock all the other devices.

http://www.howtoforge.com/automatically-unlock-luks-encrypted-drives-with-a-keyfile

Discover a tool that provides ontology analytics over highly expressive ontologies. The Scalable Highly Expressive Reasoner allows and reveals logical inconsistencies in the data, helps you eliminate these irregularities before issuing semantic queries and explains why a specific result set is an answer to the query.

Imagine creating Web-page graphics dynamically using just code. Creating and manipulating images is yours for the doing with the power of PHP. This tutorial steps through using the GD library, showing you how to create and alter images on Web pages. It starts with the GD construct, and then builds on it to showcase graphics techniques.

This document describes how to install a Proftpd server that uses virtual users from a MySQL database instead of real system users. This is much more performant and allows to have thousands of ftp users on a single machine. In addition to that I will show the use of quota with this setup.

http://www.howtoforge.com/virtual-hosting-with-proftpd-and-mysql-ubuntu-8.04

This tutorial provides step-by-step instructions on how to install VMware Server (version 1.0.6) on an Ubuntu 8.04 desktop system. With VMware Server you can create and run guest operating systems ("virtual machines") such as Linux, Windows, FreeBSD, etc. under a host operating system. This has the benefit that you can run multiple operating systems on the same hardware which saves a lot of money, and you can move virtual machines from one VMware Server to the next one (or to a system that has the VMware Player which is also free).

This tutorial shows how to configure Zimbra Collaboration Server (ZCS) and Samba to act as a primary domain controller (PDC) that uses LDAP as a centralized database for authenticating users on Linux and Windows desktops.

http://www.howtoforge.com/zimbra-integration-with-samba-on-ubuntu

This tutorial shows how you can set up a Linux Mint 5 Elyssa R1 desktop that is a full-fledged replacement for a Windows desktop, i.e. that has all the software that people need to do the things they do on their Windows desktops. The advantages are clear: you get a secure system without DRM restrictions that works even on old hardware, and the best thing is: all software comes free of charge.

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