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DevOps and IT Certifications and Training

• Compare runbooks vs. playbooks for IT process documentation

  Despite some contextual differences, runbooks and playbooks serve a similar purpose in the enterprise: to document critical processes.  Continue Reading

• PKI authentication explained: The basics for IT administrators

  Public key infrastructure is part and parcel of modern digital business, from secure communications to data transmission and beyond. Admins must understand PKI to optimize its benefits.  Continue Reading

• Pick up stateless software precepts for modern app design

  Change and state are complex interrelated concepts that shape how an application performs its tasks. Learn the meaning of state, mutability and change as they relate to app design.  Continue Reading

• NAND flash memory basics: Comparing SLC, MLC and TLC NAND

  NAND is the most popular type of flash, but there are many different types, and they each serve a different purpose. Do you know your NAND flash basics?  Continue Reading

• The application runtime environment is as important as the app

  To avoid cascading failures and never-ending troubleshooting, take the time to understand the software and hardware -- the runtime environment -- that keeps an app ticking.  Continue Reading

• Reference architecture vs. converged infrastructure: Know the difference

  The terms converged infrastructure and reference architecture frequently appear together, but they're not interchangeable. One is the blueprint and the other is a structure.  Continue Reading

• How is runtime as a service different from PaaS or IaaS?

  What is runtime as a service and how does it differ from platform as a service and infrastructure as a service?  Continue Reading

• The difference between Citrix Workspace Suite and Workspace Services

  Citrix's Workspace Services and the Workspace Suite aren't one in the same. The Suite is a bundle of products and Workspace Services is a delivery platform and control plane.  Continue Reading