Articles by Falko Timme

Falko Timme

About Falko Timme

Falko Timme is an experienced Linux administrator and founder of Timme Hosting, a leading nginx business hosting company in Germany. He is one of the most active authors on HowtoForge since 2005 and one of the core developers of ISPConfig since 2000. He has also contributed to the O'Reilly book "Linux System Administration".

  • How To Whitelist Hosts/IP Addresses In Postfix

    Author: Falko TimmeTags: Comments: 15

    How To Whitelist Hosts/IP Addresses In Postfix If you are administrating a mail server and use blacklists to block spam, you probably know this problem: from time to time your customers complain that they cannot receive emails from certain freemailers. Most often this happens because a freemailer was abused to send out spam and therefore got blacklisted. This short guide shows how you can whitelist such a mail server in Postfix to make your customers happy again.

  • Installing mod_geoip For Apache2 On Fedora 9

    Author: Falko TimmeTags: , Comments: 1

    Installing mod_geoip For Apache2 On Fedora 9 This guide explains how to set up mod_geoip with Apache2 on a Fedora 9 system. mod_geoip looks up the IP address of the client end user. This allows you to redirect or block users based on their country. You can also use this technology for your OpenX (formerly known as OpenAds or phpAdsNew) ad server to allow geo targeting.

  • The Perfect Desktop - Ubuntu Studio 8.04

    ubuntustudio Author: Falko TimmeTags: , Comments: 0

    This tutorial shows how you can set up an Ubuntu Studio 8.04 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.

  • How To Set Up WebDAV With Apache2 On Debian Etch

    Author: Falko TimmeTags: , Comments: 9

    How To Set Up WebDAV With Apache2 On Debian Etch This guide explains how to set up WebDAV with Apache2 on a Debian Etch server. WebDAV stands for Web-based Distributed Authoring and Versioning and is a set of extensions to the HTTP protocol that allow users to directly edit files on the Apache server so that they do not need to be downloaded/uploaded via FTP. Of course, WebDAV can also be used to upload and download files.

  • Installing And Using The Unbound Name Server On Debian Etch

    Author: Falko TimmeTags: , Comments: 3

    Installing And Using The Unbound Name Server On Debian Etch Unbound is a validating, recursive, and caching DNS resolver, released under a BSD license. Version 1.0.0 was released on May 20, 2008. This tutorial explains how to install and use it on Debian Etch, including the creation of zones for your own domains.

  • Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Ubuntu 8.04 LTS)

    ubuntu VMWare Image Download Author: Falko TimmeTags: , , Comments: 25

    This document describes how to install a mail server based on Postfix that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota (quota is not built into Postfix by default, I'll show how to patch your Postfix appropriately). Passwords are stored in encrypted form in the database (most documents I found were dealing with plain text passwords which is a security risk). In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses. I will also show how to install SquirrelMail as a webmail interface so that users can read and send emails and change their passwords.

  • Enabling Compiz Fusion On An Ubuntu 8.04 LTS Desktop (NVIDIA GeForce FX 5200)

    Author: Falko TimmeTags: , Comments: 10

    Enabling Compiz Fusion On An Ubuntu 8.04 LTS Desktop (NVIDIA GeForce FX 5200) This tutorial shows how you can enable Compiz Fusion on an Ubuntu 8.04 LTS (Hardy Heron) desktop (the system must have a 3D-capable graphics card - I'm using an NVIDIA GeForce FX 5200 here). With Compiz Fusion you can use beautiful 3D effects like wobbly windows or a desktop cube on your desktop.

  • Enabling Compiz Fusion On An Ubuntu 8.04 LTS Desktop (ATI Mobility Radeon 9200)

    Author: Falko TimmeTags: , Comments: 1

    Enabling Compiz Fusion On An Ubuntu 8.04 LTS Desktop (ATI Mobility Radeon 9200) This tutorial shows how you can enable Compiz Fusion on an Ubuntu 8.04 LTS (Hardy Heron) desktop (the system must have a 3D-capable graphics card - I'm using an ATI Mobility Radeon 9200 here). With Compiz Fusion you can use beautiful 3D effects like wobbly windows or a desktop cube on your desktop.

  • The Perfect Desktop - Kubuntu 8.04 LTS (Hardy Heron)

    kubuntu Author: Falko TimmeTags: , Comments: 3

    The Perfect Desktop - Kubuntu 8.04 LTS (Hardy Heron) This tutorial shows how you can set up a Kubuntu 8.04 LTS (Hardy Heron) 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. Kubuntu 8.04 LTS is derived from Ubuntu 8.04 LTS and uses the KDE desktop instead of the GNOME desktop.

  • How To Upgrade Your Desktop From Ubuntu 7.10 (Gutsy Gibbon) To 8.04 LTS (Hardy Heron)

    Author: Falko TimmeTags: , Comments: 1

    How To Upgrade Your Desktop From Ubuntu 7.10 (Gutsy Gibbon) To 8.04 LTS (Hardy Heron) This guide shows how you can upgrade your desktop from Ubuntu 7.10 (Gutsy Gibbon) to Ubuntu 8.04 LTS (Hardy Heron).