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Debian

Setting Up ProFTPd + TLS On Debian Etch

Post date: December 14, 2007, 11:12 Category: Security Views: 4456 Comments
Tutorial quote: FTP is a very insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more secure. This article explains how to set up ProFTPd with TLS on a Debian Etch server.
Debian

How To Set Up WebDAV With Lighttpd On Debian Etch

Post date: August 10, 2008, 09:08 Category: Installing Views: 3391 Comments
Tutorial quote: This guide explains how to set up WebDAV with lighttpd on a Debian Etch 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 lighttpd server so that they do not need to be downloaded/uploaded via FTP. Of course, WebDAV can also be used to upload and download files.
Debian

How To Enable Multiple HTTPS Sites For One IP On Debian Etch Using TLS Extensions

Post date: November 19, 2007, 11:11 Category: Software Views: 4302 Comments
Tutorial quote: This guide is Debian specific but could be ported to other distributions since the concept is the same. In order to use TLS Extensions we have to patch and recompile Apache2 and recompile OpenSSL with the enable-tlsext directive. Since TLS extensions are relatively new, some Internet browsers will not work so the Apache2 server will deliver just the default site as http 1.0 does on an http 1.1 server.
Debian

Chrooting Apache2 With mod_chroot On Debian Lenny

Post date: April 15, 2010, 12:04 Category: Installing Views: 3396 Comments
Tutorial quote: This guide explains how to set up mod_chroot with Apache2 on a Debian Lenny 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.
Debian

How To Save Traffic With mod_deflate On Lighttpd 1.4 (Debian Etch)

Post date: August 15, 2007, 22:08 Category: Installing Views: 3417 Comments
Tutorial quote: In this tutorial I will describe how to install and configure mod_deflate on a lighttpd 1.4 web server on Debian Etch. mod_deflate is included by default in lighttpd 1.5, but not in 1.4 where mod_compress is used instead. The advantage of mod_deflate over mod_compress is that it can compress static and dynamic files (such as PHP files), whereas mod_compress can compress static files only. The lighttpd version coming with Debian Etch is 1.4.13, so we have to patch it to support mod_deflate. mod_deflate allows lighttpd to compress files and deliver them to clients (e.g. browsers) that can handle compressed content which most modern browsers do. With mod_deflate, you can compress HTML, text or XML files to approx. 20 - 30% of their original sizes, thus saving you server traffic and making your modem users happier.
Unix+clones

High Performance MySQL

Post date: December 1, 2006, 04:12 Category: Optimizing Views: 6569 Comments
Tutorial quote: The operating system your MySQL server runs on and the server's configuration can be just as important to your server's performance as the indexes, schema, or queries themselves. In this chapter, we will help you understand how to tune your server to improve performance, as opposed to tuning schema or queries. We'll be looking at changes to your hardware, operating system, and MySQL configuration to see what effects they have on overall performance.

We assume that you've already made efforts to boost the performance of your queries. If you haven't done that already, stop now and read Chapter 4 and Chapter 5 to get a handle on optimizing your queries and your application code. Only then should you worry about server settings. Hardware is often not the solution to MySQL performance problems. Poorly optimized queries can slow you down far more than not having the latest CPU or SCSI disk. To put this in perspective, one of the MySQL AB trainers even says that changing hardware might, in the best cases, give you a 10-fold performance increase. But tuning queries (and schemas) can often give you 1000-fold performance increase. Seriously.

Some topics covered in this chapter are platform-specific. The authors' knowledge of the various platforms on which MySQL runs is limited. In many cases, you'll need to consult your local documentation for various operating system tools and specifics.

We start with an overview of the factors that limit performance and then look more in depth at RAID, hardware, and operating system issues. The chapter finishes with a discussion of techniques you can use to locate, identify, and fix bottlenecks.
Debian

Virtualization With VirtualBox 3.1.x On A Headless Debian Lenny Server

Post date: February 23, 2010, 13:02 Category: Installing Views: 4058 Comments
Tutorial quote: This guide explains how you can run virtual machines with Sun xVM VirtualBox 3.1.x on a headless Debian Lenny 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.
Debian

Intrusion Detection With BASE And Snort

Post date: July 16, 2006, 16:07 Category: Security Views: 5205 Comments
Tutorial quote: This tutorial shows how to install and configure BASE (Basic Analysis and Security Engine) and the Snort intrusion detection system (IDS) on a Debian Sarge system. BASE provides a web front-end to query and analyze the alerts coming from a Snort IDS system. With BASE you can perform analysis of intrusions that Snort has detected on your network.

Scenario: A linux server running Debian Sarge 3.1 setup according to Falko's - The Perfect Setup - Debian Sarge (3.1).
Let's assume we have one working website (www.example.com) and that the document root is: /var/www/www.example.com/web
The IP of the server is 192.168.0.5 and it's using eth0 as network interface name.
Debian

Debian/Ubuntu Package management Using dpkg

Post date: April 17, 2007, 22:04 Category: Software Views: 3932 Comments
Tutorial quote: Dpkg is the Debian package manager dpkg is a medium-level tool to install, build, remove and manage Debian packages. The primary and more user-friendly front-end for dpkg is dselect.dpkg itself is controlled entirely via command line parameters,which consist of exactly one action and zero or more options. The action-parameter tells dpkg what to do and options control the behavior of the action in some way.
Debian

Embedding Python In Apache2 With mod_python (Debian Etch)

Post date: June 22, 2008, 10:06 Category: Installing Views: 3472 Comments
Tutorial quote: This tutorial shows how to install and use mod_python on a Debian Etch server with Apache2. mod_python is an Apache module that embeds the Python interpreter within the server. It allows you to write web-based applications in Python that will run many times faster than traditional CGI and will have access to advanced features such as ability to retain database connections and other data between hits and access to Apache internals.
Web-based applications and online marketing solutions - LumoLink