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4G Fourth-Generation Cellular Communication System

4G Definition: 4G is not one defined technology or standard, but rather a collection of technologies and protocols aimed at creating fully packet-switched networks optimized for data. 4G networks are projected to provide speeds of 100 Mbps while moving and 1 Gbps while stationary. Fourth Generation Cellular Communication Evolution of ...

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Strategic Management

A definition of Strategy: Goal-directed decisions and actions in which capabilities and resources are matched with the opportunities and threats in the environment. Military Influences in Strategy: “Strategos” referred to a general in command of an army The art of the general By 450 B.C. it came to mean managerial ...

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Basic Guidelines and Checklist for Website Testing

Basic Guidelines and Checklist for Website Testing : Worldwide web is browsed by customers with different knowledge levels, while testing websites (static/Dynamic) QA department should concentrate on various aspects to make effective presentation of website in www.: Worldwide web is browsed by customers with different knowledge levels, while testing websites ...

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Advantages and Disadvantages of Social Media and Web 2.0

A Balanced Assessment of the Criticisms of Engaging Social Media: Determining the advantages and disadvantages of particular activities for people and organizations is an important task. Why else would education, books, think tanks, and presidential debates exist. I thought fleshing out my personal experience with the advantages and disadvantages might ...

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An Introduction To Web 2.0

Web 2.0 The term ‘Web 2.0’ was coined to define an emerging pattern of new uses of the Web and approaches to the Web development, rather than a formal upgrade of Web technologies as the 2.0 version number may appear to signify. The key Web 2.0 concepts include: It’s an ...

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Firewall Protection – How to..

What is a Firewall? A firewall is a tool that monitors communication to and from your computer. It sits between your computer and the rest of the network, and according to some criteria, it decides which communication to allow, and which communication to block. It may also use some other ...

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Introduction to Web Hosting

Who are Web Hosts? Web hosts are companies that provide space on a server for hosting a website. They own large space on the server, which they share it to their customer’s providing Internet connectivity, typically in a data center. Scope of Web Hosting The most basic is webpage and small-scale ...

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Unix/Linux Command Reference

File Commands ls – directory listing ls -al – formatted listing with hidden files cd dir – change directory to dir cd – change to home pwd – show current directory mkdir dir – create a directory dir rm file – delete file rm -r dir – delete directory dir ...

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Active Directory – Windows2003

This article describes how to install and configure a new Active Directory installation in a laboratory environment that includes Windows Server 2003 and Active Directory. Note that you will need two networked servers that are running Windows Server 2003 for this purpose in a laboratory environment. Creating the Active Directory ...

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How to Lock / Unlock User in ubuntu / Debian Linux

For Locking User from command Line $ sudo usermod -L jaunty This will Lock user account named jaunty For Locking User from command Line $ sudo usermod -U jaunty This will UnLock user account named jaunty

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Web based (Http) Network Traffic / Bandwidth Monitoring Tool: Darkstat

DarkStat is a simple Packet Sniffing Network Traffic/Bandwidth monitoring Tool for Ubuntu and other Linux distributions. DarkStat gives simple web based output with nice graphs and statistics , it will automatically refreshed. Darkstat uses a very low footprint and the memory, CPU usage. How to install darkstat in Ubuntu / ...

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Howto setup Second IP address or Virtual IP address to your Networkcard in ubuntu

If you are a Network Administrator some time you need to assign more than ONE ip address (second ipaddress) to your network card of Ubuntu machine. For this you need to edit the /etc/network/interfaces file by adding the following lines . See the example below and make change according to ...

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