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This document describes how to set up Hyperic HQ on Ubuntu 7.04. The resulting system provides an awesome, web-based "Systems-Management-Software". It is the next stage of classical monitoring and able to manage all kinds of operating systems, web servers, application servers and database servers.

So, you have an irritatingly loud CPU fan which is making you consider whether or not launching your laptop through the nearest window is a good idea. Well, before you do that, why not give CPU frequency scaling a go.

This document describes how to set up PostBooks ERP on Ubuntu 7.04. The resulting system provides a powerful GUI-based ERP-system. Postbooks is licensed under the CPAL license (OSI-certified Common Public Attribution License).

Normally Linux systems can only read from Windows NTFS partitions, but not write to them which can be very annoying if you have to work with Linux and Windows systems. This is where ntfs-3g comes into play. ntfs-3g is an open source, freely available NTFS driver for Linux with read and write support. This tutorial shows how to use ntfs-3g on a Fedora 7 desktop to read from and write to Windows NTFS drives and partitions.

This tutorial describes how to install Simple Invoices on a Debian Etch server. Simple Invoices is a web-based, basic invoicing system that lets you create and manage your invoices, export them as PDF or Excel files, email them to your customers, etc. It is intended for small businesses/organizations and home users.

This document describes how to enable and configure the Logitech MX Revolution's special buttons on Fedora 7.

This tutorial shows how to install Sun Java JDK and NetBeans IDE on a fresh Fedora 7 installation. The readers I had in mind when assembling this are the people who are anxious to start using NetBeans and Sun's Java SE on their newly installed Fedora systems. Some of the bits and pieces on the topics I found on the Internet are assembled into this tutorial in order to make it as comprehensive as possible.

This tutorial provides step-by-step instructions about how to create a highly available VMware Server environment on a Debian Etch system. With this tutorial, you will be able to create Virtual Machines that will be available on multiple systems with failover/failback capabilities.

In this tutorial I will describe how to install and configure mod_deflate on a lighttpd 1.4 web server on Debian Etch. mod_deflate is included by default in lighttpd 1.5, but not in 1.4 where mod_compress is used instead. The advantage of mod_deflate over mod_compress is that it can compress static and dynamic files (such as PHP files), whereas mod_compress can compress static files only. The lighttpd version coming with Debian Etch is 1.4.13, so we have to patch it to support mod_deflate. mod_deflate allows lighttpd to compress files and deliver them to clients (e.g. browsers) that can handle compressed content which most modern browsers do. With mod_deflate, you can compress HTML, text or XML files to approx. 20 - 30% of their original sizes, thus saving you server traffic and making your modem users happier.

This article describes how to integrate DSPAM with embedded ClamAV into a mail server based on Postfix featuring virtual users and domains, i.e. users and domains that are in a MySQL database. DSPAM is a scalable and open-source content-based spam filter. The setup shown here is suitable for Debian Etch servers.

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.

Lighttpd is a secure, fast, standards-compliant web server designed for speed-critical environments. This tutorial shows how you can install Lighttpd on a Debian Etch server with PHP5 support (through FastCGI) and MySQL support.

This guide describes how you can use the CD/DVD burning application K3b to convert songs from an audio CD into MP3 or Ogg files that you can use on your MP3 player, for example (if you choose the Ogg format, your MP3 player must support it).

This howto shows you how to do a multi-site Drupal install on Ubuntu. It also covers how to layout your directories for ease of maintenance, and how to ensure that you can update Drupal easily from CVS.

This article shows how you can use an iPod on a Linux desktop with gtkpod (a graphical user interface for Apple's iPod). It covers how you can upload MP3 files from your desktop to your iPod, download MP3 files from your iPod to your desktop, how you can delete files on the iPod, and how you can create and modify playlists. Normally, Apple's iTunes software is needed to manage an iPod, but iTunes is not available for Linux. Fortunately, there are Linux alternatives such as gtkpod that can handle the task.

This tutorial shows how to harden PHP5 with Suhosin on a CentOS 5.0 server. From the Suhosin project page: "Suhosin is an advanced protection system for PHP installations that was designed to protect servers and users from known and unknown flaws in PHP applications and the PHP core. Suhosin comes in two independent parts, that can be used separately or in combination. The first part is a small patch against the PHP core, that implements a few low-level protections against bufferoverflows or format string vulnerabilities and the second part is a powerful PHP extension that implements all the other protections."

Gnump3d is a streaming server that can help you share your music collection with others. Although the name is using mp3 it can serve ogg as well, so you don't have to convert all your mp3 files to ogg files.

This article shows how you can install and use POPFile to classify incoming emails on an Ubuntu Feisty Fawn desktop. It is a POP3 proxy that fetches your mails from your mail server, classifies them and passes them on to your email client. Of course, POPFile must be trained to properly classify emails.

Basically, tcptrack is a sniffer which will show the information about TCP connections on a specific interface. tcptrack will watch all the connections that occur and show the information in a nice interface.

This article shows how you can use an iPod on a Linux desktop with the Rhythmbox audio player. It covers how you can upload MP3 files from your desktop to your iPod and delete files on the iPod. Normally, Apple's iTunes software is needed to manage an iPod, but iTunes is not available for Linux. Fortunately, there are Linux alternatives such as Rhythmbox that can handle the task.