Micro-Learning Content on Deepstash

July 08, 2024

I'm a big fan of micro-learning (and learning on the go). As such, I thought it might be helpful if I start publishing a sub-set of blog material and notes in that format.

For now, I'm trying out a platform called "Deepstash". It's not exactly the service I was envisioning but it'll do for now. It's a . . .

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Refresher on ways to manage Kubernetes pods

July 08, 2024

I'll keep this brief -- here's a reminder on the various ways that Kubernetes can manage pods:

  • Kubernetes Deployment - The most common way to deploy containerized applications. This approach lets you control the number of replicas running. When you have a new version of the application running, Kubernetes can keep the . . .

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Kubernetes Worker Node Architecture 101

July 08, 2024

Here's some quick recap points regarding worker nodes in Kubernetes:

  • Remember the previous analogy about the Kubernetes control plane being like an air traffic control tower? Think of a worker node as an airport terminal where planes park and passengers board.
  • In order to be highly available, most Kubernetes clusters . . .

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Kubernetes Control Plane Architecture 101

July 06, 2024

Here's a quick recap of kubernetes control plane architecture:

  • An instance of Kubernetes is called a cluster.
  • Each cluster has a control plane and at least one worker node.
  • Think of the control plane like air traffic control at a busy airport with people overlooking the cluster to make sure nodes and pods are . . .

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Bookmarks

July 05, 2024

Here's my list of bookmarks for various bookmarks. I'll keep adding to it over time.

General Documentation and How-to

Docker / Kubernetes / General Container Info

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Solved: sshd still allowing password auth despite updating config file

July 05, 2024

I'll keep this short and sweet: On recent editions of debian linux distributions, you may have noticed that setting PasswordAuthentication no doesn't seem to have any effect when you set it.

That's because high up in the sshd_config file, there's a statement to include additional configs:

Include . . .

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Tech Glossary

Because sometimes it's nice to have terminology all in one place.

July 05, 2024

Here's a list of terms and concepts I get asked about. I'll keep adding to it over time.

Containers / Kubernetes

  • Containers -- A technology that bundles the code for an application, and the configuration required to run the code itself, in one unit. (Source: LinkedIn Learning)
  • Container registry -- A . . .

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