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Ubuntu

Installing and configuring FireHOL - Part 2

Post date: September 20, 2006, 22:09 Category: Network Views: 7217 Comments
Tutorial quote: This is the second part of the introduction to FireHOL article. It covers more advanced topics that you might find useful, such as defining new services, selective filtering, and NAT. Everything is explained in a very detailed fashion.
Debian

Network profiles for a laptop

Post date: December 23, 2005, 00:12 Category: Network Views: 2544 Comments
Tutorial quote: This article explains how to configure networking in a very pleasant way, so that it works automatically wherever you go. It is adaptable to lots of uses, and may be usefull even if you don't use Wifi but connect to multiple networks.
Linux

Upstream Provider Woes? Point the Ping of Blame

Post date: April 14, 2005, 12:04 Category: Network Views: 2416 Comments
Tutorial quote: Your users are complaining that "the Internet is, like, all slow." Users are always complaining, but you're seeing a lot of timeouts when you check mail, surf the Web, or try to log in for remote administration. Or even worse, latency is so bad that you keep getting killed all to heck in your favorite gory violent online multi-player game, so you know there is a problem. But there a lot of potential bottlenecks between your PC and the outside world, like your Internet gateway, proxy server, firewall, Internet service provider, and so forth, so where do you begin?

One of the best and most versatile network tools you can have is a notebook PC running Linux. This lets you plug in anywhere to run tests and find out what is going on. Make it a nothing-to-lose box--don't keep data on it so you can wipe and reinstall the operating system as necessary, because you want to be able to run tests outside of firewalls. Don't run any services. You can put a minimal iptables firewall on it, as there is no point in being totally exposed, but keep it simple. (Use MondoRescue to make a system snapshot for fast restores.)
Openfiler

Installing and Configuring Openfiler with DRBD and Heartbeat

Post date: October 26, 2008, 13:10 Category: Installing Views: 11441 Comments
Tutorial quote: Openfiler is a high performance operating system tailored for use as a SAN/NAS appliance. This configuration will enable two Openfiler appliances to work in an active/passive high availability scenario.
Linux

Xen Virtualization and Linux Clustering, Part 2

Post date: January 21, 2006, 06:01 Category: System Views: 3003 Comments
Tutorial quote: We ended last time after configuring our first unprivileged Xen domain. In this article, we complete our cluster and then test it using an open-source parallel ray tracer. The first thing we need to do is create additional slave nodes to be used with the cluster. So, let's get down to business.
Ubuntu

Configuring Logitech mice in Ubuntu 6.06

Post date: September 18, 2006, 14:09 Category: Hardware Views: 6428 Comments
Tutorial quote: This is my guide on how to get all the buttons working properly on a logitech mouse, how to use lmctl to enable the higher resolutions and cruise control and how to get the side mouse buttons to make forwards and back work in Nautilus, Epiphany, Konqueror, etc.
CentOS

Installing Xen On CentOS 5.2 (i386)

Post date: November 9, 2008, 12:11 Category: Installing Views: 4917 Comments
Tutorial quote: This tutorial provides step-by-step instructions on how to install Xen on a CentOS 5.2 system. 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.
Fedora

Fedora 10 Installation Guide

Post date: November 25, 2008, 15:11 Category: Installing Views: 3972 Comments
Tutorial quote: A tutorial for configuring you Fedora 10 Installation with all the basics a user might need. Learn how to configure extra Fedora repositories for video and audio codecs as long as Video card drivers. Instructions for Firefox, JAVA, Flash, KDE4 and many other applications.
NetBSD

How to set up a DHCP Server

Post date: June 22, 2006, 21:06 Category: Network Views: 6159 Comments
Tutorial quote: Setting up a DHCP Server for your Home or Company Network is pretty simple with NetBSD. You don't need to install any Software, because everything you need, is part of the base system.
Solaris

Configuring Sendmail

Post date: April 13, 2005, 03:04 Category: Network Views: 4025 Comments
Tutorial quote: Sendmail has the reputation of having the most hideous configuration file in the history of mankind. It's extremely long and incredibly cryptic. However, it is this very complexity that has made it the most popular MTA (Mail Transport Agent) on the Internet. Its' flexibility allows sendmail to handle the most demanding, disjointed mail routing and serving configurations you can dream up.
Web-based applications and online marketing solutions - LumoLink