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This document describes how to install a Postfix mail server 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. Passwords are stored in encrypted form in the database. 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.

iRedMail is a shell script that lets you quickly deploy a full-featured mail solution in less than 2 minutes. Its object is to make a Linux mail server installation and configuration simple, painless and easy to use. Most components used in iRedMail are provided by Linux distributions officially. It means that iRedMail users can get software update support for as long as the the distribution is supported. iRedMail supports both OpenLDAP and MySQL as backends for storing virtual domains and users. This tutorial shows how to use the OpenLDAP backend on Debian Squeeze.

Nginx (pronounced "engine x") is a free, open-source, high-performance HTTP server. Nginx is known for its stability, rich feature set, simple configuration, and low resource consumption. This tutorial shows how you can install Nginx on a Debian Squeeze server with PHP5 support (through FastCGI) and MySQL support.

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 Squeeze server with PHP5 support (through FastCGI) and MySQL support.

This document will help you to set up Qmail-Scanner with ClamAV antivirus and SpamAssassin spamfilter. Qmail-Scanner is an add-on that enables a Qmail email server to scan email for certain characteristics. It is typically used for its anti-virus and anti-spam protection functions, in which case it is used in conjunction with external scanners. It also enables a site (at a server/site level) to create "Policy blocks": i.e. react to email that contains specific strings in particular headers, or particular attachment filenames or types (e.g. *.EXE attachments).

rTorrent is a popular command line based bittorrent client. It provides very powerful features yet it is very light on the system - contrary to other bittorrent clients like Vuze. There are a couple of webinterfaces for it but they are not truly need. SSH access combined with the "screen" program provide you all the tools you need. In addition to the previous compilation guides of rTorrent, this one will also feature ruTorrent on a force Apache SSL connection with password protection.

This tutorial will show you how you can set up an SMS server on Debian with playsms and smstools. In my example I have used an old Nokia 5140i with a USB datacable.

Railo Server 3.2 Final (3.2.1.000) has been released. As you know Railo is an Open Source ColdFusion Markup Language (CFML) engine. It is free and pretty fast. For the new 3.2 version railo stop running resin, but tomcat as the default web server. Instead of compile apache2 with tomcat 6 by yourself, the railo team had created the default installation script which helps you set up railo on tomcat6 and using apache2 to connect to tomcat via mod_jk. Instead of using tomcat default webapps directory, we will modify the server.xml file and DocumentRoot will point back to default apache DocumentRoot directory defined under the virtual host configuration file.

LAMP is short for Linux, Apache, MySQL, PHP. This tutorial shows how you can install an Apache2 webserver on a CentOS 5.5 server with PHP5 support (mod_php) and MySQL support.

This tutorial shows how to set up an Ubuntu Lucid Lynx (10.04) server with the Nagios Monitoring System. Nagios is a powerful, highly configurable monitoring and alarming system, which can monitor a wide variety of systems (network, server, daemons, applications). Monitoring could be done for instance for availability or utilization. We will be installing Nagios, Nagios Plugins, and Postfix with this tutorial. Postfix will be configured to send email via your alternate email server.

LAMP is short for Linux, Apache, MySQL, PHP. This tutorial shows how you can install an Apache2 webserver on a Debian Squeeze server with PHP5 support (mod_php) and MySQL support.

Firewall Builder is a firewall configuration and management GUI that supports configuring a wide range of firewalls from a single application. Supported firewalls include Linux iptables, BSD pf, Cisco ASA/PIX, Cisco router access lists and many more. This tutorial is the second in a series of articles that walk through the basic steps of using Firewall Builder to configure each of the supported firewall platforms. In this tutorial we will configure Access Control Lists (ACL) on a Cisco ASA firewall.

In this HowTo I will describe how to prepare a Debian Squeeze server for OpenVZ. With OpenVZ you can create multiple Virtual Private Servers (VPS) on the same hardware, similar to Xen and the Linux Vserver project. OpenVZ is the open-source branch of Virtuozzo, a commercial virtualization solution used by many providers that offer virtual servers. The OpenVZ kernel patch is licensed under the GPL license, and the user-level tools are under the QPL license.

This tutorial shows how you can set up a Debian Squeeze 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.

This tutorial shows how you can install a new generation of syslog servers by using Rsyslog. According to Rsyslog web site (www.rsyslog.com), Rsyslog is an enhanced syslogd supporting, among others, MySQL, PostgreSQL, failover log destinations, syslog/tcp, fine grain output format control, high precision timestamps, queued operations and the ability to filter on any message part. It is quite compatible to stock sysklogd and can be used as a drop-in replacement. Its advanced features make it suitable for enterprise-class, encryption protected syslog relay chains while at the same time being very easy to set up for the novice user.

This tutorial shows how to set up a Debian Squeeze (Debian 6.0) server that offers all services needed by ISPs and hosters: Apache web server (SSL-capable), Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Courier POP3/IMAP, Quota, Firewall, etc. In the end you should have a system that works reliably, and if you like you can install the free webhosting control panel ISPConfig 2 (i.e., ISPConfig runs on it out of the box).

This tutorial explains how to install OpenPublish on an Ubuntu 10.04 LTS server. Open Publish is an open source platform designed specifically for the online news industry.

Openfiler is a Linux based NAS/SAN application which can deliver storage over nfs/smb/iscsi and http://ftp. It has a web interface over that you can control these services. The cluster we build will consist of two nodes replicating each other and taking over services and storage in case of emergency. Furthermore we have an Offsite Replication Server, which ideally stands in a physically different position and replicates the configurations/storage from which ever node is active. In case of emergency this Offsite Replication Server can be used to restore the cluster and to deliver the services.

This tutorial shows how to prepare a Debian Squeeze (Debian 6.0) server for the installation of ISPConfig 3, and how to install ISPConfig 3. ISPConfig 3 is a webhosting control panel that allows you to configure the following services through a web browser: Apache web server, Postfix mail server, MySQL, BIND nameserver, PureFTPd, SpamAssassin, ClamAV, and many more.

One rather old laptop and one server were the test objects for this howto. Both systems do not have any RAID devices and use a simple partition scheme from a default basic Lenny install. If your setup deviates much from this, it's highly recommended to read all details of the Debian Release Notes before you continue. Be warned. All commands are run as root and Debian recommends to use apt-get for the Squeeze upgrade process.