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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 an Ubuntu 12.10 server with PHP5 support (through PHP-FPM) and MySQL support (LEMP = Linux + nginx (pronounced "engine x") + MySQL + PHP).

This guide explains how you can install and use KVM for creating and running virtual machines on an OpenSUSE 12.2 server. I will show how to create image-based virtual machines and also virtual machines that use a logical volume (LVM). KVM is short for Kernel-based Virtual Machine and makes use of hardware virtualization, i.e., you need a CPU that supports hardware virtualization, e.g. Intel VT or AMD-V.

This tutorial shows how you can set up a Xubuntu 12.10 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. Xubuntu uses the lightweight XFCE desktop environment.

Sometimes you need to move a web site from one server to another. Instead of downloading the web site from the old server to your PC via FTP and uploading it from your PC to the new server, it would save a lot of time to simply copy the web site from one server to the other. This tutorial explains how to use Wget to download/move a web site from one server to the other via http://FTP.

LAMP is short for Linux, Apache, MySQL, PHP. This tutorial shows how you can install an Apache2 webserver on an Ubuntu 12.10 server with PHP5 support (mod_php) and MySQL support.

This howto will show you the way to set up OpenVPN to authenticate users against the LinOTP authentication backend. Thus you can bring up your VPN using two factor authentication with different kind of OTP tokens. The interesting part is, that we will also use client certificates, so that the VPN only gets established if the machine has the right client certificate and the user has the right OTP token.

This tutorial shows how to prepare an Ubuntu 12.10 (Quantal Quetzal) server (with Apache2, BIND, Dovecot) 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 or nginx web server, Postfix mail server, Courier or Dovecot IMAP/POP3 server, MySQL, BIND or MyDNS nameserver, PureFTPd, SpamAssassin, ClamAV, and many more. This setup covers Apache (instead of nginx), BIND (instead of MyDNS), and Dovecot (instead of Courier).

This guide explains how to set up an NFS server and an NFS client on OpenSUSE 12.2. NFS stands for Network File System; through NFS, a client can access (read, write) a remote share on an NFS server as if it was on the local hard disk.

This guide explains how to set up WebDAV with Apache2 on an OpenSUSE 12.2 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 http://FTP. Of course, WebDAV can also be used to upload and download files.

The new Ubuntu 12.10 (Quantal Quetzal) has just been released. This guide shows how you can upgrade your Ubuntu 12.04 LTS desktop and server installations to Ubuntu 12.10.

This guide explains how you can set up an AoE target and an AoE initiator (client), both running Ubuntu 12.04. AoE stands for "ATA over Ethernet" and is a storage area network (SAN) protocol which allows AoE initiators to use storage devices on the (remote) AoE target using normal ethernet cabling. "Remote" in this case means "inside the same LAN" because AoE is not routable outside a LAN (this is a major difference compared to iSCSI). To the AoE initiator, the remote storage looks like a normal, locally-attached hard drive.

This process will add a nice visual representation of the hardrive usage on your Ubuntu server which you can acces over your local network. It's based on "philesight" which is a nice clone of philelight.

This tutorial shows how you can set up an OpenSUSE 12.2 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.

Vuurmuur is a linux firewall manager. It takes a human readable rule syntax and turns it into the proper iptables commands. It supports logviewing, traffic shaping, connection killing and a lot of other features. Suricata is a relatively new network IDS/IPS. It's multithreaded for performance, supports IDS and IPS modes, can extract files from HTTP streams and has a lot of other features. Fedora 17 includes both Vuurmuur and Suricata in its repository. In this howto I'll describe how to get a functional IPS using only Fedora packages.

Glx-Dock/Cairo-Dock is an interactive dock (like the one you know from a Mac) that provides easy access to some of the files, folders, and applications on your computer, and more. You can use it with OpenGL (to use your graphics card) or without, and it is compatible with Compiz, but it can also run without a composite manager. It works under Unity, GNOME, KDE, and Xfce. This tutorial shows how to install and use Glx-Dock/Cairo-Dock on an Ubuntu 12.04 desktop (with Unity).

Vsftpd is one of the most secure and fastest FTP servers for Linux. Usually vsftpd is configured to work with system users. This document describes how to install a vsftpd 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.

This guide explains how you can install and use KVM for creating and running virtual machines on a Fedora 17 server. I will show how to create image-based virtual machines and also virtual machines that use a logical volume (LVM). KVM is short for Kernel-based Virtual Machine and makes use of hardware virtualization, i.e., you need a CPU that supports hardware virtualization, e.g. Intel VT or AMD-V.

This guide explains how to set up mod_chroot with Apache2 on an OpenSUSE 12.2 system. With mod_chroot, you can run Apache2 in a secure chroot environment and make your server less vulnerable to break-in attempts that try to exploit vulnerabilities in Apache2 or your installed web applications.

BoxGrinder is a tool that allows you to build virtual machines (with RedHat, CentOS, Scientific Linux or Fedora as the OS) for multiple virtualization techniques. Currently it supports KVM, VMware, Amazon EC2, VirtualBox, and VirtualPC. This tutorial shows how to use BoxGrinder to create a CentOS 6 KVM guest on Fedora 17 and also how to deploy it to a remote KVM host.

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 set up nginx as a reverse proxy on front of an Apache2 web server on Ubuntu 12.04.