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In this tutorial we will take a look at what Database Denormalization is and how it is different from Normalization. Many DBAs probably use the Normalization rules in designing databases, either because they have never heard of Denormalization or they do not fully understand it.

IQnection Internet Services of Doylestown is redefining what online users can do with comments to articles on websites. For years, webmasters’ only choice was to enable flat or threaded comments. Regardless, the users’ comments would appear at the bottom of the last page of the article.

But suppose the user was commenting on the second paragraph on the first page – or wanted to suggest a replacement for a deprecated line of code on the second page? Now there is a better way.

MySQL provides support for thirteen different storage engines which act as varying table type handlers. Most people who use MySQL on a regular basis already know about the two most common storage engines, MyISAM and InnoDB. Most of the time, the default storage engine as defined by the store_engine option in the MySQL config file is typically MyISAM, and this is usually what most people go with.

Citrix XenServer doesn't offer a template out of the box for Slackware. This article will show you how to install the current Slackware 13.37 on XenServer assuming you have access to the XenCenter software.

“IQnection has rewritten the website code and is rebuilding Linux.org from the ground up. Our developers are currently working on the next roll-out which will add some pretty incredible social aspects to the site.”

There has been more than one time where I have needed to allow more than a user or group access to some files. Also there are times when the group/user that has ownership is just too powerful for the purpose of access. That is where ACLs come into play. Allowing a finer grained control over access to files and directories.

IQnection Internet Services, Inc, an Internet Hosting company in Doylestown, PA, today has announced an agreement with Linux Online (owners of the Linux.org domain name) to create a new community oriented website, publish/maintain content and host the Linux.org site.

Maintaining an ACL (access control list) can be very daunting, for one. Especially when you have to maintain the same ACL on multiple servers. You can push out a customized file for the servers and be done with it. But, how do you even populate that list? While the source for these IPs is not the de-facto, it provides a good amount to use.

For a good couple of years now I've wondered if there was a way to write an authentication system in PHP that utilized SSH instead of the widely-breakable database and flatfile methods. After doing some research I found its possible after installing a PHP extension. This guide will detail the methods used to do this, with the intent of hopefully having this a more versatile option.

Hello, I am going to guide you through the install version 1.1 of the Porteus Linux distribution. A light weight (under 300megs), fast and modular distribution based on Slackware.

First, let’s lay out the situation. You have a site named mystore.com. It has a cart so you’ve set it up with SSL. Now, you’re redesigning it and have the subdomain newsite.mystore.com set up under your main account in cPanel for your redesign space. You’ve started your redesign, but you find out quickly that SSL is not set up on this new subdomain and you can’t find a way within cPanel to accomplish this.

We’ll hear it when we reach the end of a line, we’ll hear it when we hit tab to complete a word and there’s more than one choice, in about 2 minutes you won’t hear it anymore. It’s the simplest thing to do but we never look into it – because most of the time when the bell goes off we’re in the middle of something else.

Everyone needs a job – and you may have one, but is it the right one for you? Even if you think you’re happy with your current position, it doesn’t hurt to look around every couple of months to see if you can better yourself with a new job that might fit you better!

Everyone's been in this situation at least one time. You find a song on YouTube love, want to download it to keep it for future uses only to find there's no real way. There's those websites that convert videos for you, but out of the few that actually work they place restrictions on you too. Plus, what's the fun in letting someone else do the work for you? I mean, we are using Linux after all.

The first two parts of this series gave you a basic introduction to Linux and helped get your Ubuntu 11.10 system installed. Now I'll go over how to get started customizing your new Ubuntu 11.10 installation. I say get started, because there are so many possibilities as far as what can be changed or installed, that it would be impossible to cover it all. Instead, I am going to point you in the right direction, give you some examples and tell you where you can turn in case you need help.

Everyone should be backing up their data. This just doesn't go towards sysadmins, but even people at home who never even think of it. Just like everything else in I.T., hard drives were built to fail. If you do not make efficient back ups, you are at your own mercy when your drive will no longer spin up, meaning all that data is now gone.

You need more space on your server/desktop/etc.. This guide will help you add it to the volume you’re currently using on your system. For the sake of making this an easy-to-follow guide, we’ll assume that you already have the new drive showing in your Linux installation from fdisk, but it’s not yet usable (ie: you made it available from shared storage, you installed a new harddrive, etc..).

Now that the basics are out of the way, and you are ready to dive in to a Linux based operating system let's take a look at Ubuntu [o?'bo?nto?]. The people at Canonical, the company behind Ubuntu, continuously update and strive for a more user friendly experience, add to that the fact that like most Linux distros... it is free!

I'm sure everyone is aware as to what SSH (specifically OpenSSH) is, especially since there's been a lot of discussion about it on LinuxForum.com as of late. But, I don't know if many people actually realize just how powerful SSH can be. If used right, you can turn a regular SSH server into a non-resource intensive, very much free VPN server.

Fail2ban scans log files and bans IP addresses that have too many password failures. It will then update the firewall rules on the server to reject said IP address for a configured amount of time. You can set up ignore IPs as well so you don't accidently get locked out of your machine. This guide will show you how to install fail2ban on a centos server - the one I installed it on was running CentOS 5.7 and cPanel 11.3x