Containers and VMs: What is the difference?

Containers are a very big topic right now, but they also cause a lot of confusion for people. Before we discuss containers, containerization, and container orchestration; we should address the question of how containers differ from virtual machines (VMs). Both are built on the concept of Virtualization. Virtualization is the process of creating a virtual … Continue reading Containers and VMs: What is the difference?

Snake Oil DevOps – BEWARE!

As a DevOps Consultant a lot of what I do is spent on People and Processes. If you remember the definition of DevOps that I love is from Donovan Brown, “DevOps is the union of People, Processes, and Products to continuously deliver value to our end users”. I want to keep reiterating this, continuously deliver value to our end users. I bring this … Continue reading Snake Oil DevOps – BEWARE!

What is DevOps?

What Isn’t DevOps? Before I define DevOps, let’s get started with what DevOps isn’t. DevOps isn’t just a title, or a guy, or a department. DevOps isn’t just automating everying, and isn’t just logging everything. DevOps isn’t dozens of alerts every day, and isn’t an on-call rotation. DevOps isn’t agile or small releases. DevOps is a mindset. … Continue reading What is DevOps?

Some Tools to Help Present Git I'm presenting soon on Advanced Git. I feel a lot of Developers and DevOps engineers know enough git to the job, but sometimes that's it. I want to help people be more comfortable with the git command line, and help alleviate some fear or hesitation in dealing with git edge cases. While researching things, … Continue reading Some Tools to Help Present Git