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Tiny Web Proxy And Content Filtering Appliance (Version 1.2) With Debian Squeeze
This small HOWTO will show you how to set up a small virtual machine to speed up and secure your home / small enterprise web surfing network using Debian 6, Squid 3.1 and QuintoLabs Content Security 1.2 applications deployed in a VMWare Virtual Player running on Windows 7 x64 as a host operating system. This howto is targeted at novice users and may sometimes seem too thorough for more advanced gurus.
amon.so: Hijacking System Calls For Hardening PHP - Debian Lenny And Squeeze
amon.so is a library that integrates with the PHP interpreter and intercepts and manipulates the system calls provided by libc6. It replace the execve() syscall with a custom function which does extra sanity checking in order to prevent that an attacker could execute arbitrary code on the system exploiting a vulnerability in a web-based application (such as a bugged cms). It's open-source software released under the terms of the GPL license and compatible with PHP running as a CGI process or Apache's DSO module.
How To Save Traffic With Lighttpd's mod_compress (Debian Squeeze)
Paravirtualization With Xen 4.0 On Debian Squeeze (AMD64)
This tutorial provides step-by-step instructions on how to install Xen 4.0 on a Debian Squeeze (6.0) system (AMD64) and create paravirtualized guests. 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 (e.g. a virtual machine for a mail server, a virtual machine for a high-traffic web site, another virtual machine that serves your customers' web sites, a virtual machine for DNS, etc.), but still use the same hardware. This saves money, and what is even more important, it's more secure. If the virtual machine of your DNS server gets hacked, it has no effect on your other virtual machines. Plus, you can move virtual machines from one Xen server to the next one.
Enabling Compiz Fusion On A Debian Squeeze Desktop (Nvidia GeForce 8200)
This tutorial shows how you can enable Compiz Fusion on a Debian Squeeze desktop (the system must have a 3D-capable graphics card - I'm using an Nvidia GeForce 8200 here). With Compiz Fusion you can use beautiful 3D effects like wobbly windows or a desktop cube on your desktop.
Set Up OpenVPN Server With Authentication Against OpenLDAP On Debian 6.0 (Squeeze)
OpenVPN, or Open Virtual Private Network, is a tool for creating networking "tunnels" between and among groups of computers that are not on the same local network. This is useful if you have services on a local network and need to access them remotely but don't want these services to be publicly accessible. By integrating with OpenSSL, OpenVPN can encrypt all VPN traffic to provide a secure connection between machines.
Virtual Users With Postfix, Dovecot, MySQL, RoundCube, iRedAdmin On Debian 6 (Squeeze)
This document describes how to install a Postfix and Dovecot mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. If you prefer to install such a mail server step by step, you can refer to the ISPmail tutorials at workaround.org. Also the Big Picture would help you to easily understand the mail server structure. I believe you at least need one day to have a working mail server that way. If you use the iRedMail script, you only need one minute to get the mail server up and running, and you will have more features (compared to the ISPmail tutorials).
Make Browsers Cache Static Files With mod_expire On Lighttpd (Debian Squeeze)
Installing Debian Squeeze (6.0) domU On CentOS 5.5 x86_64 dom0
This tutorial shows how to create a Debian Squeeze (6.0) domU on dom0 running CentOS 5.5 x86_64.
Extending Perfect Server - Debian Squeeze [ISPConfig 3]
The following tutorial will extend the "Perfect Server.... " for ISPConfig 3 with BIND & Courier installed in Debian Squeeze. It explains how to change default ports (ssh, ispconfig, webmin), how to install some useful applications (webmin, roundcube, atop, htop, multitail, tiger etc), how to update awstats periodically (more than once a day) or whenever you want, how to create clients' data backups (periodically) accessible under their folder and finally it explains how to tweak your system for performance (mysqltuner, tuning-primer) or security (custom firewall rules, (D)Dos Deflate, fail2ban modified).