Joe Hertvik's Blog Posts
Joe Hertvik owns Hertvik & Associates, an IT infrastructure and marketing management consultancy. Joe provides contract services for IT environments including project management, data center, network, infrastructure and IBM i management. His company also provides marketing, content strategy and content production services for B2B IT industry companies. Joe has produced over 1,000 articles and IT-related content for various publications and tech companies over the last 15 years. Joe can be reached via email at joe@joehertvik.com and on LinkedIn.
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What Are Servers? A Practical Guide for Modern IT & AI
Learn what a computer server is, how servers work, common server types, key components, and how to choose the right server for your organization.
Hybrid Computing Explained: Benefits, Examples, and Key Trends
Discover what hybrid computing is, how it works, its benefits, challenges, and why it’s a top technology trend shaping enterprise IT in 2025.
Data Centers Explained: Types, Features, and Choosing the Right Model
Discover what data centers are, their types (enterprise, cloud, colocation, edge), key components, locations, uses, and trends in energy efficiency and performance.
DNS Security: Today’s Most Common DNS Risks and Threats
When 90% of businesses are victims of DNS attacks, you need to know about DNS security. Get the full story, including the top DNS risks, in this article.
The OSI Model: Understanding the Layered Approach to Network Communication
The OSI Model is not old news...In fact, it's still in use across the entire internet today! Read on to see exactly how these 7 layers work.
What Is DNS? Domain Name Service, Explained
DNS is the address book for the internet. Learn how the behind-the-scenes Domain Name System powers every single webpage you visit.