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Network related tutorials

Debian

Mandriva Directory Server On Debian Etch

Post date: February 7, 2008, 12:02 Category: Network Views: 3376 Comments
Tutorial quote: This document describes how to set up the Mandriva Directory Server (MDS) on Debian Etch. The resulting system provides a full-featured office server for small and medium companies - easy to administer via the web-based Mandriva Management Console (MMC).
CentOS

How To Implement Domainkeys In Postfix Using dk-milter

Post date: February 5, 2008, 12:02 Category: Network Views: 5719 Comments
Tutorial quote: Domainkeys is "a method of e-mail authentication. Unlike some other methods, it offers almost end-to-end integrity from a signing to a verifying Mail Transfer Agent (MTA). In most cases the signing MTA acts on behalf of the sender, and the verifying MTA on behalf of the receiver. DomainKeys is specified in Historic RFC 4870, which is obsoleted by Standards Track RFC 4871, DomainKeys Identified Mail (DKIM) Signatures." according to the wikipedia. So why a how to on it when there is DKIM? Well domainkeys is still actively being used and is more widely deployed than DKIM, the developer Yahoo still uses it to sign and verify mail although they are contributers to the DKIM standard.
FreeBSD

Redirect Port in pf.conf

Post date: February 3, 2008, 13:02 Category: Network Views: 5257 Comments
Tutorial quote: How to set up port redirection in FreeBSD using packet filter.
Debian

How To Automatically Add A Disclaimer To Outgoing Emails With alterMIME (Postfix On Debian Etch)

Post date: January 8, 2008, 11:01 Category: Network Views: 9588 Comments
Tutorial quote: This tutorial shows how to install and use alterMIME. alterMIME is a tool that can automatically add a disclaimer to emails. In this article I will explain how to install it as a Postfix filter on Debian Etch.
Ubuntu

OpenLDAP + Samba Domain Controller On Ubuntu 7.10

Post date: January 6, 2008, 11:01 Category: Network Views: 4038 Comments
Tutorial quote: This document is a step by step guide for configuring Ubuntu 7.10 as a Samba Domain Controller with an LDAP backend (OpenLDAP). The point is to configure a server that can be comparable, from a central authentication point of view, to a Windows Server 2003 Domain Controller. The end result will be a server with an LDAP directory for storing user, group, and computer accounts. A Windows XP Professional SP2 workstation will be able to join the domain once properly configured.
Debian

Change your Network card MAC ( Media Access Control) address

Post date: December 4, 2007, 10:12 Category: Network Views: 3076 Comments
Tutorial quote: Media Access Control address, a hardware address that uniquely identifies each node of a network. In IEEE 802 networks, the Data Link Control (DLC) layer of the OSI Reference Model is divided into two sublayers: the Logical Link Control (LLC) layer and the Media Access Control (MAC) layer. The MAC layer interfaces directly with the network medium.Consequently, each different type of network medium requires a different MAC layer. On networks that do not conform to the IEEE 802 standards but do conform to the OSI Reference Model, the node address is called the Data Link Control (DLC) address.

If you want to change your network card mac address you need to use simple utility called mac changer.MAC changer is a utility for manipulating the MAC address of network interfaces
Ubuntu

Simple Chat Server with Netcat

Post date: December 1, 2007, 17:12 Category: Network Views: 4374 Comments
Tutorial quote: Ever use MSN instant messenger or Google Talk and feel like you are being watched? Well I have a little secret for you; you are being watched. Not that there is anything to hide, but privacy is always a good thing.
By using netcat we can setup a secure chat server, and it only takes about 5 minutes.
Unix+clones

Linux ShoutCast Server

Post date: November 11, 2007, 05:11 Category: Network Views: 5173 Comments
Tutorial quote: The following info should get you started on running your own ShoutCast streaming internet radio server. Port forwarding, etc is beyond the scope of this post.

ShoutCAST server consists of two components:

1. The server
2. The Transmitter
Linux

Router Bandwidth Management Example

Post date: November 11, 2007, 05:11 Category: Network Views: 4905 Comments
Tutorial quote: I will show you how to use HTB to control traffic based on what IP address you are coming from. Remember that HTB only shapes outgoing traffic, but since we have at least 2 interfaces on a router - and traffic is always outgoing on one of the interfaces - we can control up and down speeds.
Debian

Setting Up A High-Availability Load Balancer (With Failover and Session Support) With HAProxy/Heartbeat On Debian Etch

Post date: November 7, 2007, 11:11 Category: Network Views: 4524 Comments
Tutorial quote: This article explains how to set up a two-node load balancer in an active/passive configuration with HAProxy and heartbeat on Debian Etch. The load balancer sits between the user and two (or more) backend Apache web servers that hold the same content. Not only does the load balancer distribute the requests to the two backend Apache servers, it also checks the health of the backend servers. If one of them is down, all requests will automatically be redirected to the remaining backend server. In addition to that, the two load balancer nodes monitor each other using heartbeat, and if the master fails, the slave becomes the master, which means the users will not notice any disruption of the service. HAProxy is session-aware, which means you can use it with any web application that makes use of sessions (such as forums, shopping carts, etc.).
Web-based applications and online marketing solutions - LumoLink