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phpvirtualbox is a web-based VirtualBox front-end written in PHP that allows you to access and control remote VirtualBox instances. It tries to resemble the VirtualBox GUI as much as possible to make work with it as easy as possible. It is a nice replacement for the VirtualBox GUI if you run VirtualBox on headless servers. This tutorial explains how to install phpvirtualbox on an OpenSUSE 12.2 server to manage a locally installed, headless VirtualBox.

This tutorial explains how you can configure nginx to set the Expires HTTP header and the max-age directive of the Cache-Control HTTP header of static files (such as images, CSS and Javascript files) to a date in the future so that these files will be cached by your visitors' browsers. This saves bandwidth and makes your web site appear faster (if a user visits your site for a second time, static files will be fetched from the browser cache).

Lighttpd is a secure, fast, standards-compliant web server designed for speed-critical environments. This tutorial shows how you can install Lighttpd on an OpenSUSE 12.2 server with PHP5 support (through PHP-FPM) and MySQL support. PHP-FPM (FastCGI Process Manager) is an alternative PHP FastCGI implementation with some additional features useful for sites of any size, especially busier sites. I use PHP-FPM in this tutorial instead of Lighttpd's spawn-fcgi.

This tutorial explains the installation of a Samba fileserver on OpenSUSE 12.2 and how to configure it to share files over the SMB protocol as well as how to add users. Samba is configured as a standalone server, not as a domain controller. In the resulting setup, every user has his own home directory accessible via the SMB protocol and all users have a shared directory with read-/write access.

SPDY (pronounced "SPeeDY") is a new networking protocol whose goal is to speed up the web. It is Google's alternative to the HTTP protocol and a candidate for HTTP/2.0. SPDY augments HTTP with several speed-related features such as stream multiplexing and header compression. To use SPDY, you need a web server and a browser (like Google Chrome and upcoming versions of Firefox) that both support SPDY. mod_spdy is an open-source Apache module that adds support for the SPDY protocol to the Apache HTTPD server. This tutorial explains how to use mod_spdy with Apache2 on OpenSUSE 12.2.

In this tutorial I will show you how to set up pfSense 2.0.1 up as an Internet Gateway with Squid Proxy / Squidguard Filtering. I will also show that you have to configure some extra features of pfSense like traffic shapping with squid. This type of configuration would be useful for people who want to set up wireless hot spots or Internet cafe's etc.

This guide shows how you can install and run a Small Business Server with ClearOS 6.3.0 (Community Edition). With ClearOS, you can run various services (such as a file- and print server, a web proxy and content filter, a mail server, etc.) in your local network and manage them through an easy web interface. ClearOS provides apps for each of these tasks from its marketplace - many of them are free, some of them have to be paid for. ClearOS Community is open-source and free. There's also a professional version available for which you have to pay, but which in return provides better support, better tested apps and updates, etc.

This tutorial explains how to install Redmine with SVN on a cPanel/CentOS 5.6 server. Redmine is a flexible project management web application. Written using the Ruby on Rails framework, it is cross-platform and cross-database.

This guide explains how you can run virtual machines with VirtualBox 4.2 on a headless OpenSUSE 12.2 server. Normally you use the VirtualBox GUI to manage your virtual machines, but a server does not have a desktop environment. Fortunately, VirtualBox comes with a tool called VBoxHeadless that allows you to connect to the virtual machines over a remote desktop connection, so there's no need for the VirtualBox GUI.

This tutorial shows how you can serve CGI scripts (Perl scripts) with nginx on Fedora 17. While nginx itself does not serve CGI, there are several ways to work around this. I will outline two solutions: the first is to proxy requests for CGI scripts to Thttpd, a small web server that has CGI support, while the second solution uses a CGI wrapper to serve CGI scripts.

If you are using nginx as your webserver, you are looking for a performance boost and better speed. nginx is fast by default, but you can optimize its performance and the performance of all parts (like PHP and MySQL) that work together with nginx. Here is a small, incomprehensive list of tips and tricks to configure your LEMP system (Linux, nginx, MySQL, PHP-FPM) for maximum performance. These tricks work for me, but your mileage may vary. Do not implement them all at once, but one by one and check what effect the modification has on your system's performance.

This tutorial explains how to use the GeoIP module with nginx on Ubuntu 12.04 to find out where your visitors come from. The GeoIP module sets multiple variables like $geoip_country_name, $geoip_country_code, $geoip_city, etc. that you can use in your PHP scripts or directly in your nginx configuration, for example to serve content in different languages based on the user's country.

This tutorial explains how you can manage multiple MySQL servers from one phpMyAdmin installation. For security reasons, communication between phpMyAdmin and any remote MySQL server is using SSL encryption (this is not necessary for a local MySQL server since communication between phpMyAdmin and MySQL is not leaving the server). phpMyAdmin is a free software tool written in PHP, intended to handle the administration of MySQL over the World Wide Web. phpMyAdmin supports a wide range of operations with MySQL.

This tutorial shows how you can install an Apache2 webserver on an OpenSUSE 12.2 server with PHP5 (through PHP-FPM) and MySQL support. PHP-FPM (FastCGI Process Manager) is an alternative PHP FastCGI implementation with some additional features useful for sites of any size, especially busier sites.

tmux and GNU Screen are well-known utilities which allow multiplexing of virtual consoles. Using either, it is possible to start a session, detach, move to a different machine and resume the session in uninterrupted progress. It's also possible to use these tools to share a single session between more than one user at the same time.

This tutorial shows how to prepare an OpenSUSE 12.2 64bit (x86_64) server with nginx for the installation of ISPConfig 3, and how to install ISPConfig 3. Since version 3.0.4, ISPConfig comes with full support for the nginx web server in addition to Apache, and this tutorial covers the setup of a server that uses nginx instead of Apache. ISPConfig 3 is a webhosting control panel that allows you to configure the following services through a web browser: nginx and Apache web server, Postfix mail server, MySQL, Dovecot POP3/IMAP, BIND or MyDNS nameserver, PureFTPd, SpamAssassin, ClamAV, and many more.

This tutorial shows how you can serve CGI scripts (Perl scripts) with nginx on CentOS 6.3. While nginx itself does not serve CGI, there are several ways to work around this. I will outline two solutions: the first is to proxy requests for CGI scripts to Thttpd, a small web server that has CGI support, while the second solution uses a CGI wrapper to serve CGI scripts.

LAMP is short for Linux, Apache, MySQL, PHP. This tutorial shows how you can install an Apache2 webserver on an OpenSUSE 12.2 server with PHP5 support (mod_php) and MySQL support.

This is a detailed description about how to set up an OpenSUSE 12.2 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, BIND DNS server, Pureftpd FTP server, MySQL server, Dovecot POP3/IMAP, Quota, Firewall, Mailman, etc. Since version 3.0.4, ISPConfig comes with full support for the nginx web server in addition to Apache; this tutorial covers the setup of a server that uses Apache, not nginx.

This guide explains how to set up mod_geoip with Apache2 on an Ubuntu 12.04 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.