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This tutorial provides step-by-step instructions on how to install VMware Server 1.0.x (1.0.10 at the time of this writing) on an Ubuntu 9.10 desktop system. This is for those who prefer VMware Server 1.0.x over VMware Server 2.

This tutorial provides step-by-step instructions on how to install Xen (version 3.0.3) on a CentOS 5.4 (x86_64) system. Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called "virtual machines" or domUs, under a host operating system (dom0). Using Xen you can separate your applications into different virtual machines that are totally independent from each other, but still use the same hardware.

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.

For two small businesses I set up a debian lenny installation on their "home" dsl connection. The problem is that they have dynamic ip addresses and most mailservers will not accept incoming mail from a server on a dynamic ip address. The solution is rather simple. Set up postfix in a way that it will relay the outgoing email through the actual ISP. In this short howto I'll show you how to do that.

This tutorial shows how to set up a Mandriva 2010.0 Free (x86_64) 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, Dovecot 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 is written for the 64-bit version of Mandriva 2010.0.

This how to will allow you step by to configure a Postfix mail server with with virtual hosting. Virtual hosting means that you can add as many mail domains as you want and sub sequentially as many mailboxes for these domains as you want. Here we we use an LDAP backend for both the MTA (Postfix) and POP3/IMAP server (Dovecot), and a web based management interface. Optional in this how to is the use of Roundcube webmail and proftpd.

This is a detailed description about how to set up an OpenSUSE 11.2 server (x86_64) 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, Dovecot 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).

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 needed. SSH access combined with the "screen" program provide you all the tools you need. This howto works for Ubuntu 9.10 Karmic Koala and for Debian 5 Lenny.

This tutorial shows how you can set up an OpenSUSE 11.2 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.

The configuration of OpenLDAP got a bit (more) complicated. cn=config is still used, but when installing the packages from the repositories only a skeleton configuration of openldap is installed. You're not asked anymore to provide a password when the package is installed and issuing the "dpkg-reconfigure slapd" only resets openldap to the skeleton configuration. You will have to set up the openldap database, root dn and acl's yourself using the root account (or sudo) in order to configure openldap. Here is how I configured openldap in Karmic Koala, but I do not issue any guarantee that this setup will suit your needs or works for you as it worked for me.

This is a detailed description about how to set up a Fedora 12 server that offers all services needed by ISPs and hosters: Apache web server (SSL-capable) with PHP5/Ruby/Python, Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Dovecot POP3/IMAP, Quota, Firewall, etc. This tutorial is written for the 64-bit version of Fedora 12, but should apply to the 32-bit version with very little modifications as well. In the end you should have a system that works reliably, and if you like you can install the free webhosting control panel ISPConfig (i.e., ISPConfig runs on it out of the box).

LAMP is short for Linux, Apache, MySQL, PHP. This tutorial shows how you can install an Apache2 webserver on an OpenSUSE 11.2 server with PHP5 support (mod_php) and MySQL support.

This tutorial shows how you can set up a Linux Mint 8 (Helena) 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. Linux Mint 8 is a Linux distribution based on Ubuntu 9.10 that has lots of packages in its repositories (like multimedia codecs, Adobe Flash, Adobe Reader, Skype, Google Earth, etc.) that are relatively hard to install on other distributions; it therefore provides a user-friendly desktop experience even for Linux newbies.

There might be the situation, that your root filesystem runs out of space, so it has to be expanded. With filesystems other than the root filesystem this could easily be done for instance with gparted. With the root filesystem this is not possible, as gparted could only expand filesystems that are not mounted, which is impossible with the root filesystem. The only way to enlarge the root filesystem is to boot from a kind of rescuesystem, Live-CD or the like, and then to expand the root filesystem. The following tutorial describes, how this is achieved by using Systemrescue-CD.

This tutorial shows how you can set up a Fedora 12 desktop (GNOME) 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.

LAMP is short for Linux, Apache, MySQL, PHP. This tutorial shows how you can install an Apache2 webserver on an Ubuntu 9.10 server with PHP5 support (mod_php) and MySQL support.

eBox Platform is an open source small business server that allows you to manage all your services like firewall, DHCP, DNS, VPN, proxy, IDS, mail, file and printer sharing, VoIP, IM and much more. These functionalities are tightly integrated, automating most tasks, avoiding mistakes and saving time for system administrators. This tutorial shows you step by step how to use eBox as a Windows Primary Domain Controller. At the end of it you will be using eBox Platform 1.2 for users and shared resources management on your Windows domain.

This article describes how you can upgrade your Fedora 11 system to Fedora 12. The upgrade procedure works for both desktop and server installations.

This tutorial shows how to prepare a Fedora 12 server (x86_64) 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, MyDNS nameserver, PureFTPd, SpamAssassin, ClamAV, and many more.

This is a detailed description about how to set up an OpenSUSE 11.2 64bit (x86_64) server that offers all services needed by ISPs and hosters: Apache web server (SSL-capable) with PHP, CGI and SSI support, Postfix mail server with SMTP-AUTH, TLS and virtual mail users, MyDNS DNS server, Pureftpd FTP server, MySQL server, Courier POP3/IMAP, Quota, Firewall, etc.