XML Essential Training

Lynda.com - 

XML, or Extensible Markup Language, was designed to make information sharing and data interpretation easier, but it only works if you know how to work it. In XML Essential Training, veteran engineer and instructor Joe Marini takes you through the basic rules of XML, discusses suggested tools, explains XML syntax, and more. From integrating XML into your site to creating style sheets and Schema Definitions, XML Essential Training covers everything you need to not only get started, but to really get working with XML. Exercise files accompany the training, allowing you to follow along and learn at your own pace. 

Code:

http://rapidshare.com/files/10398879/lnd-xmlesstr.rar.4.html http://rapidshare.com/files/10396988/lnd-xmlesstr.rar.3.html http://rapidshare.com/files/10394312/lnd-xmlesstr.rar.2.html http://rapidshare.com/files/10391471/lnd-xmlesstr.rar.1.html http://rapidshare.com/files/10389015/Create_lnd-xmlesstr.exe.html

run an exe file to merge all files.. 

eNjoy 
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How to Turn Your Ubuntu Laptop into a Wireless Access Point

If you have a single wired Internet connection – say, in a hotel room – you can create an ad-hoc wireless network with Ubuntu and share the Internet connection among multiple devices. Ubuntu includes an easy, graphical setup tool.

Unfortunately, there are some limitations. Some devices may not support ad-hoc wireless networks and Ubuntu can only create wireless hotspots with weak WEP encryption, not strong WPA encryption.

Setup

To get started, click the gear icon on the panel and select System Settings.

Select the Network control panel in Ubuntu’s System Settings window. You can also set up a wireless hotspot by clicking the network menu and selecting Edit Network Connections, but that setup process is more complicated.

If you want to share an Internet connection wirelessly, you’ll have to connect to it with a wired connection. You can’t share a Wi-Fi network – when you create a Wi-Fi hotspot, you’ll be disconnected from your current wireless network.

To create a hotspot, select the Wireless network option and click the Use as Hotspot button at the bottom of the window.

You’ll be disconnected from your existing network. You can disable the hotspot later by clicking the Stop Hotspot button in this window or by selecting another wireless network from the network menu on Ubuntu’s panel.

After you click Create Hotspot, you’ll see an notification pop up that indicates your laptop’s wireless radio is now being used as an ad-hoc access point. You should be able to connect from other devices using the default network name – “ubuntu” – and the security key displayed in the Network window. However, you can also click the Options button to customize your wireless hotspot.

From the wireless tab, you can set a custom name for your wireless network using the SSID field. You can also modify other wireless settings from here. The Connect Automatically check box should allow you to use the hotspot as your default wireless network – when you start your computer, Ubuntu will create the hotspot instead of connecting to an existing wireless network.

From the Wireless Security tab, you can change your security key and method. Unfortunately, WPA encryption does not appear to be an option here, so you’ll have to stick with the weaker WEP encryption.

The “Shared to other computers” option on the IPv4 Settings tab tells Ubuntu to share your Internet connection with other computers connected to the hotspot.

Even if you don’t have a wireless Internet connection available to share, you can network computers together and communicate between them – for example, to share files.

What is Malware? – Tutorial for Beginners

Malware has been a big problem today. Malware is short form of malicious software. A malware is a software designed to infect a computer system without owner being informed. Thousands of people have been victims of malware. In this article I will discuss all the types of malware, and give you an example of a Windows Trojan in use. The reason I will use Windows is because malware is very rare in Mac and Linux computers.

Types of Malware Software:

Computer Viruses – A computer virus is a malicious software that is developed to infect a computer. It is designed to spread from one computer to another and to damage a computer hardware, software and files. Once the virus infects a computer, it replicates or reproduces itself. Viruses are like parasites because they need a host to attach themselves to in order to infect a computer.

Worms – A worm is different from a virus because it doesn’t need a person to be able to spread and infect systems. Worms most often take advantage of known bugs in computers to spread. Computer worms are major threats to large networks.

Trojan Horse – A trojan horse is a malicious software that appears to do one thing, but actually does another. It is mostly used to control the victims computer rather than infecting or destroying files on it. Some trojans may be relatively “harmless” to your system, but other trojans pose a far greater effect to your computer. A trojan horse can monitor your internet connection, grab your email addresses, access passwords and more.

Keloggers – A keylogger is a hardware or software device that monitors each keystroke a user types on a specific computer’s keyboard. Once installed, this device will automatically load from the start-up and start capturing each and every keystroke that was typed on the computer. Any person with a basic knowledge of computer can use keylogger. You can check my post “What is Keylogger Software?” for more information related to keyloggers.

Remote Administration Tools – A Remote Administration Tool (also called as RAT) is s a software used to take control of a computer from a remote location. RATs can be used either for legal or illegal purpose. Once the software is installed on a computer the administrator can do almost anything on the remote computer.

Adware and Spyware – Adware (Advertising-supported software) is any software application in which advertising banners are displayed while the program is running. On the other hand, a Spyware is software that sends information from the user’s computer without their knowledge. Spyware programs can collect various types of personal information, such as Internet surfing habit, sites that have been visited etc.

Adware and spyware can bring the computer system to its knees. They are detrimental, lowering the performance of the computer. The victim of these nasties might need to replace data, and might lose unique files.

How Malware Works

To show you an example of a malicious program, I will use a well known Windows Trojan, ProRat. ProRat opens a port on infected computer which allows the client to perform various operations on the infected computer. Once ProRat is installed on a computer it’s almost impossible to remove it. In the following video I will show you the procedure that a hacker will take to gain control over the victims computer using Prorat.

(Video: Watch this video on the post page)

How To Prevent Malware?

There are a couple things you can do to prevent yourself from being infected by a malware:

1. Make sure you have good and up-to-date anti-virus software installed on your computer. Also if there is an automatic update option on your anti-virus software, make sure it is enabled.

2. Make sure you have a firewall installed on your computer and make sure that it is actually enabled. Firewalls protect against unauthorized inbound and outbound connections.