We are talking Kubernetes of course. Got to love the quirky IT naming conventions. Once you dig into the concepts behind the naming it all starts to make sense. Today I learned about Node Affinity to control where your pods get deployed onto nodes as well DaemonSets, Taints and Tolerations. Well, you can keep the “flys” away (stray pods) from
Doing a DevOps role requires a lot of expertise in CI / CD plus Linux cli proficiency, and hardware server knowledge. Building out a Home-Lab gives you experience in all of the areas one needs to be proficient in a production environment, You get to experiment and build and tear down servers, clusters, deployment manifests, and write shell scripts without
Making progress on setting up the Home-Lab servers.Configured the new mini PC with Ubuntu Server, cloned over my git repository setup files and tools. Two more old Mac Book Pros to configure and get running on Linux and a spare iMac.At that point I can start deploying multiple Kurbernetes nodes and try out different deployment scenarios. Ran through a flawless
Started the Udemy CKA course (instructor: Mumshad Mannambeth).The instruction modules are fairly short and focused on single task / elements.They are very well put together and well worth the cost in my humble opinion.Each section provides a good concept foundation that augments what I’ve learned in the KubeCraft course on Kubernetes. The lab modules seem easy to solve (so far),
Latest lesson services and their port definitions and end points. Here is a quick diagram of the Service Ports and End Ports. Services are needed in the cluster to enable a single point of entry by name vs. IP Address. Since Container Pods come and go as well as moving to different Nodes, using an internal cluster IP Address is