Postfix with dkfilter (DomainKeys Implementation)

DomainKeys is an anti-spam software application in development at Yahoo that uses a form of public key cryptography to authenticate the sender's domain. dkfilter is an SMTP-proxy designed for Postfix. It implements DomainKeys message signing and verification. It comprises two separate filters, an "outbound" filter for signing outgoing email on port 587, and an "inbound" filter for verifying signatures of incoming email on port 25. This document is to describe step by step how to install dkfilter for postfix to deploy domainkeys signing and verification.

Installing Popular Applications On Your Ubuntu Desktop With Automatix2

Although Ubuntu comes with lots of applications that can be installed on your desktop, there are still some applications that are available only from third-party repositories. Finding all these repositories and installing these applications manually is very time-consuming, but fortunately some people have created a script called Automatix2 (which is the successor to Automatix) which automates the task for you. It comes with a graphical interface so that you can run it from your desktop, and this tutorial describes how you do it.

How To Compile A Kernel - The Mandriva Way

Each distribution has some specific tools to build a custom kernel from the sources. This article is about compiling a kernel on Mandriva systems. It describes how to build a custom kernel using the latest unmodified kernel sources from www.kernel.org (vanilla kernel) so that you are independent from the kernels supplied by your distribution. It also shows how to patch the kernel sources if you need features that are not in there.

How To Compile A Kernel - The CentOS Way

Each distribution has some specific tools to build a custom kernel from the sources. This article is about compiling a kernel on CentOS systems. It describes how to build a custom kernel using the latest unmodified kernel sources from www.kernel.org (vanilla kernel) so that you are independent from the kernels supplied by your distribution. It also shows how to patch the kernel sources if you need features that are not in there.

Accessing Windows Or Samba Shares Using AutoFS

You already installed Linux on your networked desktop PC and now you want to work with files stored on some other PCs in your network. This is where autofs comes into play. This tutorial shows how to configure autofs to use CIFS to access Windows or Samba shares from Linux Desktop PCs. It also includes a tailored configuration file.

How To Integrate Samba (File Sharing) Using Active Directory For Authentication 

This tutorial explains how to install a Gentoo samba server and how to share folders with ActiveDirectory permissions.

Running Windows on the Amazon Elastic Compute Cloud with Qemu and Linux

This tutorial explains how to set up and run Windows on the Amazon Elastic Compute Cloud Beta with the help of Qemu and Linux. This HOWTO can be adapted to install any guest operating system supported by QEMU. We have chosen Windows Server 2003 because they offer a free evaluation copy, but QEMU can be used for emulating other operating systems - including, Solaris, *BSD, Unix, etc.

How to perform a point in time restoration using ZRM for MySQL

ZRM for MySQL is a powerful, flexible and robust backup and recovery solution for  MySQL databases for all storage engines. With ZRM for MySQL a Database Administrator can automate logical or raw backup to a local or remote disk. In this How To, we attempt to explain how to recover from an user error at any given point in time.

Wardriving Using An Ubuntu Notebook With Garmin Etrex, Kismet, And GPSDrive 

This tutorial is about wardriving using GPS. It explains how to install Garmin Etrex on Ubuntu and how to configure it. It also shows how to use Garmin with GPSDrive and how to convert  the data to an xml file which can be imported by Google Earth.

Linux-Vserver on Debian Testing (Etch), the easy way 

In this tutorial, I'll show you how to install Linux-Vserver on Debian Testing (Etch). Basically, Linux-Vserver is an open-source system used to separate a single physical server into multiple virtual servers. From the Linux-Vserver website: "Linux-VServer allows you to create virtual private servers and security contexts which operate like a normal Linux server, but allow many independent servers to be run simultaneously in one box at full speed."