Author Archives: Admin

All Your Accounts Are Belong to Us

Last weekend my work phone suddenly stopped working. Not the phoneitself, but rather all service stopped. I first noticed (of course) dueto an inability to load any web pages. Then I tried calling someone andrealized my phone was disconnected. In fact, when someone tried to callme, it said the line was no longer in service.

DNS Spoofing with Dnsmasq

DNS spoofing is a nasty business, and wise Linux admins know at least the basics of how it works. We’re going to learn the basics by doing some simple spoofing with Dnsmasq.

What determines how collaborative you'll be?

In the first part of this series, I presented a list of factors that can influence someone's decision to approach a project or problem with either a cooperative or competitive mindset. In this follow-up article, I'll present a few scenarios that illustrate the ways these factors can interact to shape specific instances of collaboration or […]

Cracking The Data Safety Code

Keeping our data safe online is something that we get told about a lot. That is because as members of the information generation, it’s all too easy for our most valuable assets our identity and privacy to be compromised. But how can we keep our data safer?

Fundamentals of graph databases with Neo4j

For very large collections of diverse, unstructured information, graph databases have emerged as a technology to help collect, manage, and search large sets of data. In this three-part series, we'll explore graph databases, using Neo4j, an open source graph more

A free, open resource to solve our third world problems

Corruption, poverty, war, hunger, healthcare, education, safety. These are only a few of the problems faced by people in developing countries. Many of these problems are caused by exclusion, fear, intimidation, broken infrastructure, and lack of money, resources, access to information, and tools.These are hard problems to solve but, as Theodore Roosevelt said:”Nothing in this world […]

Create a swap file in GNU / Linux.

What is and how does the exchange space work?The swap space or swap is what is known as virtual memory. The difference between real and virtual memory is that the latter uses space in the storage unit instead of a memory module. When the actual memory is exhausted, the system copies part of the content […]