Helping Users Understand Cybersecurity: Confidentiality Becomes Privacy

In early August I made the heretical suggestion of replacing “CIA” with “PAR”, as in Privacy, Accuracy, and Reliability. Grim talk about “The CIA Triad” suggests to many users that it is nothing for them. But we can’t have information security without user understanding and involvement! We talk about CIA in Learning Tree’s System and […]
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Design Thinking: The New Paradigm for Building Applications

A confluence of business trends and development best practices is changing the way developers need to think about building applications. For want of a better term, the mindset that most software developers follow when building applications might be called ‘systems thinking’: Design a database that holds the data the company needs, design the software components […]
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Do You Know the New Linux Networking Commands?

Back in April, I explained the new network interface names. Instead of eth0 it’s something like enp0s4 or p7p1. Let’s see how to check the settings. Run these commands on your system and play along! Physical Devices First, what are the network class devices? This system has two Ethernet interfaces: $ ls -l /sys/class/net total […]
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Don’t be Afraid to be Creative

Being “creative” is an essential skill in most business environments. When I was an undergraduate engineering student, I learned about how to be creative. I didn’t learn it from classes, though; I learned it through the books by Edward de Bono. I will always be grateful to my friend Richard for introducing me to de […]
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Tools to Aid your SQL Server Plan Cache

In a recent blog post, we looked at how SQL Server uses its index statistics to help determine an optimal query plan. We will soon look at several examples of the interaction between query plans and the plan cache, but before we do we must develop a set of tools to aid the effort. SQL […]
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