Term of the Day

Shell Variable

A shell variable is a variable that is available only to the current shell. In contrast, an environment variable is available system wide and can be used by other applications on the system.A shell is the... (Read on)

Past Terms: Schematic CaptureSubtypingLifetime Clinical Record

Latest Question

While virtualization is a general strategy for getting more out of in-house hardware resources, containerization is a specific type of hardware virtualization. Containerization... (Read on)
Reducing VM Troubleshooting Time

Virtual machines are essentially computers within computer, which means that when things go wrong, there are extra layers that must be checked. Here are some tips for quickly and effectively troubleshooting your VM problems. 
10 Signs You're Computer Illiterate

Just how well do you understand computers? If the answer is "barely," then here are some explanations to help you on your way to computer literacy. 
What are the Advantages of the Hadoop 2.0 (YARN) Framework?

While Hadoop has been invaluable for handling big data, its first implementation does have some limitations. However, YARN tackles these limitations and provides more versatility for developers. 
Why There Aren't More Women Working in Open Source Software

There is a disproportionately low number of women in IT, and the field of open source is no different. Here we examine strategies and opportunities for women. 
Staying Safe When Using Public Wi-Fi Connections

Public Wi-Fi is a modern convenience that many people take for granted. However, tapping into public Wi-Fi could be putting your data at risk. 
Docker - How Containers Can Simplify Your Linux Development

Docker is a tool for Linux developers that lets them package applications into containers, allowing them to easily move their applications to different systems. Docker offers the benefits of virtualization with fewer complications and resources. 
What are the Top Driving Forces for the Internet of Things (IoT)?

Organizations are trying to harness the benefits of IoT in different ways. Learn more here. 
Tech Terms You Ought to Know

Technology rules today's society, and if you can't keep up, you might get left behind. Stay up to date by learning about these tech terms. 
Using Root Cause Analysis to Investigate Application Issues

Finding the symptoms of problems is easy, but tracking down the underlying cause can be a bit trickier. A combination of root cause analysis and software can be invaluable for pinpointing problems. 
Top 10 Reasons to Embrace the Public Cloud

The cloud is catching on in business, but should your company go with the public cloud or private cloud? Author Todd D. Lyle discusses reasons to choose the public cloud. 
#Virtualization: Top Twitter Influencers To Follow

Want to stay on top of new developments in this area? We've compiled a list of the most influential voices who are talking about virtualization on Twitter. 
5 Challenges in Big Data Analytics to Watch Out For

Big data can be an invaluable resource for businesses, but many don't consider the challenges that are involved in implementing and analyzing it. 
What to Consider When Choosing a Network Virtualization Platform

There are a number of network virtualization platforms out there, but each has its strengths and weaknesses. Choosing the right one involves weighing their features and deciding which is the best fit for your organization. 
Solar Clothes? Perovskite Adds Potential for Charging Fibers

Perovskite is a mineral with unique properties, including the ability to collect solar energy. See the potential applications of this material. 
10 Best Practices for Encryption Key Management and Data Security

Data security is more important than ever, and encryption is one of the primary methods of securing data. Here we discuss some best practices for keeping data safe with encryption key management. 
Windows Survival Guide for Linux/Unix Users

Let's face it - no matter how dedicated you are to Linux/Unix, the majority of computers out there use Windows, and like it or not, you'll probably have to use it. But there are ways to make your Windows experience more comfortable. 
How Network Virtualization is Used as a Security Tool

Network virtualization is quickly becoming a security tool, but one must understand it and avoid common mistakes in order for it to be effective. 
Weighing the Pros and Cons of Real-Time Big Data Analytics

Real-time big data analytics is a great way to get up-to-date data and statistics. But while it has plenty of benefits, it does have some disadvantages that must also be considered. 
Does Your Web Project Need Sass?

While HTML and CSS have been used for years, Sass is relatively new to the Web development scene. It can greatly simplify the development process, making it a hit with developers. 
Disaster Recovery 101

Disasters, both natural and human-made, have the potential to destroy data, which can in turn destroy a business. However, planning for disasters can help a business prevent data loss and downtime. 
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Tech Pioneers You've Probably Never Heard Of

As in any field, there are big-name pioneers in tech. Here we look at some of those who made a huge impact but received much less recognition. 
Introduction to Databases

No matter what part of IT you work in, you have to store data at one point or another, and it doesn't hurt for just about everybody to have some knowledge of databases and how they work. 
8 Steps to Understanding IP Subnetting

Understanding IP subnetting is a fundamental requirement for almost any IT pro. But although the concepts are simple, there is a general difficulty in understanding the topic. We break it down in eight simple steps. 
Creative Disruption: The Changing Landscape of Technology

Learn about the history behind some major technological innovations - and how they changed the world. 
How Spreadsheets Changed the World: A Short History of the PC Era

The introduction of spreadsheets helped launch the movement that eventually brought computers to home users. Writer John McMullen was there when it happened. Hear the story first-hand, based about his experiences working in the field. 
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Nanowire is a solid rod-like material or structure with diameter on the order of nanometers. Similar to conventional wires, they are also manufactured from... Read more 

Network behavior anomaly detection (NBAD) is the real-time monitoring of a network for any unusual activity, trends or events. The network behavior anomaly... Read more 

Nanobots are robotis that are microscopic in nature, measured largely on the scale of nanometers. They are currently in the research and development phase, but on... Read more 

A spy camera is a device that is capable of capturing video (and sometimes audio) of a location without the subjects' knowledge. Although they are occasionally used... Read more 

A NAND Gate is a logical gate which is the opposite of an AND logic gate. It is a combination of AND and NOT gates and is a commonly used logic gate. It is... Read more 
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