Hot Computers & Programming Posts

How To: Send email with Evolution in Ubuntu Linux

Sending email with the Evolution client in Ubuntu Linux is much the same as with any other email program. In addition to offering step-by-step instructions for the setup and use of Evolution, this Ubuntu tutorial also will teach you how to access your address book when writing an email. For a detailed look at the Evolution email client, take a look!

How To: Make Vista run faster

Are you disappointed with the sluggishness of Microsoft Windows Vista? In this Windows video tutorial, you'll learn how to use the Performance tool in Windows Vista to disable senseless features you don't need and to make Vista run more quickly in the process. For more, or to get started speeding up your own Windows Vista machine, take a look!

How To: Use the Print Screen button in Windows

When you press the Print Screen button on your keyboard in any version of Windows, be it 95, 2000, ME, XP or Vista, Windows will take a picture of your display output and put it into your clipboard. Once in your clipboard, it can be pasted into most any image editing program (e.g., Paint). For more information on taking screenshots with Print Screen, watch this helpful Windows tutorial!

How To: Pimp your quick launch bar in Windows Vista

One nice little feature built into Microsoft Windows, since Windows 95, in fact, is the ability to dock the quick launch bar on the side of your screen. While this feature has been removed in Windows Vista, in this video tutorial, you'll learn how to create something comparable with a toolbar. For more, or to try the this Windows trick for yourself, take a look!

How To: Change desktop icons in Microsoft Windows Vista

One of the most common positives one hears about Windows Vista is that it's pretty. Indeed, Windows Vista has new icons, a new theme and it does look nice. But what if you want to add even more pizazz to your desktop? In this video tutorial, you'll learn how to change any desktop (shortcut) icon. For more information, and to get started changing icons on your own desktop, take a look!

How To: Navigate within Ubuntu Linux

New to Ubuntu Linux and having a hard time getting around? This Ubuntu Linux video tutorial offers instructions for finding files and folders on your Ubuntu desktop. You'll find navigating Ubuntu Linux is simple once you figure out where to find all of your applications. Get started with this helpful clip!

How To: Install WAMP and create a MySQL database

This tutorial covers installing the WAMP (that is, Windows-Apache-MySQL-PHP) all-in-one package and creating a MySQL database using the import function of phpMyAdmin. For step-by-step instructions on the WAMP installation process, or to get started installing your own WAMP serve, take a look.

How To: Creating a custom class in Flex 3

In this programming tutorial, Mike Lively of Northern Kentucky University explains the six parts of a Flex 3 class. He demonstrates how to create and extend a class using Flex 3, and how to bring that class into a Flex project using xmlns name space. Learn how to work with custom classes in this beginners Adobe Flex Builder 3 tutorial.

How To: Chage the Adobe Flex 3 preloading screen

Altering the preloading screen in Flex 3 sure can be complicated, to say the least. Wouldn't it be awesome if the whole process was easier? Maybe if someone made, I don't know, a tutorial that walked you through the steps so that even a beginner could understand the procedure. Wouldn't that be fantastic? We thought so too... so here it is. Watch and learn how to change the Flex preloading screen in this programming tutorial.

How To: Install Cairngorm in Adobe Flex 3 and use MVC

In this tutorial, Mike Lively of Northern Kentucky University discusses the MVC (Model Viewer Controller) architecture, installs Cairngorm into Adobe Flex 3, and discusses one of David Tucker's examples. The MVC model is comprised of a Model (encapsulates information from the d base (XML file), View (presentation layer that the user interacts with, and Controller (processes and responds to events and invokes changes to the model and viewer). See how to use the MVC model and install Cairngorm ...

How To: Install a serial ATA hard drive in a G5 Power Mac

If your Power Mac is running out of disk space, you might consider installing a second hard drive. In this video tutorial, you'll find instructions for installing a second serial ATA drive into a Power Mac G5 system. For more on the hard drive installation process, watch this how-to and, remember: take proper anti-static precautions when working on any computer.

How To: Backup your photos in Apple iPhoto

Backing up your digital photos with Apple iPhoto while running Mac OS X can give you peace of mind of knowing that you will not accidentally lose your precious photos. In this video tutorial, you'll learn how. For more, or to get started backing up your own photos in Apple iPhoto, watch this how-to.

How To: Set up a network tarpit or teergrube

A network Tarpit, sometimes know by the German word Teergrube, is a service or set of hosts that deliberately try to slow malicious network connections down to a crawl. The idea is to put up unused hosts or services on the network that respond to an attacker, but do things to waste their time and greatly slow their scanning (or spreading in the case of Worms). To follow along with this video tutorial, you'll need a package called LaBrea by Tom Liston and an unused IP address to tarpit. Set up...

How To: Use Flex Photo Viewer on Google Code

This is a simple Adobe Flex Photo Viewer. It uses a number of techniques that are not found in any one place in the literature - data shorting, tile repeater, xml http services, inline mxml actionscripting, click on double functions, use of CDATA Tags, tooltip, glow and fade effects - all done in less than 100 lines of code (once you take out the blank lines). This was created by Mike Lively Director of Instructional Design at Northern Kentucky University for the Over The Rhine project.

How To: Compile and configure dhcpd from source in Fedora 9

Devil2005 has created a video on compiling and configuring dhcp daemon, or dhcpd, from source. He's using the Fedora 9 distribution of Linux for the video, but the lessons learned should be applicable to other distros. For that matter, even if you are not interested in installing dhcp in this way it's still a good lesson on how to download and compile various applications from source. Compile and configure dhcpd from source in Fedora 9.

How To: Use the Nmap security tool

This hour-long hacking tutorial looks at the Nmap security scanner. In particular, this Nmap tutorial looks at port scanning concepts, TCP three way handshake, stealth scans, idle scans, bounce scans, version detection, OS detection, NSE/LUA scripting and firewall logs. To get started using Nmap, watch this video tutorial. Use the Nmap security tool.

How To: Set up and use parental controls in Mac OS X Leopard

Parental controls let you manage, monitor, and control how much time your kids spend on their Mac, the websites they visit, and the people they email and chat with. Parental controls are set up and managed in system preferences. Before setting up your parental controls, you'll need to create an account for your child. In this video tutorial, you'll learn how to configure and use the parental controls that are built into the Leopard operating system. Watch this video tutorial for more.

How To: Lock files and folders in Mac OS X

Want to make sure that a document isn't accidentally edited or overwritten? It's easy; you just need to lock the file. All you need to do is right-click on the file, expand its general information, and check the Locked box. For a video walkthrough of the file locking process in Mac OS X, watch this video lesson from Apple.