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A couple of weeks ago I sat the CKA exam to recertify as a Certified Kubernetes Administrator. I'm happy to say I passed the exam. This post is a write up of the exam and a few tips and tricks
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In this post we'll take a look at how to upgrade a Kubernetes cluster running on virtual machines to a new version with kubeadm
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In this post we'll discuss Kubernetes Services. This post is part of my preparations towards the Certified Kubernetes Administrator (CKA) exam and is an updated version of an earlier post on the same topic
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This is an updated version off an earlier post I did on Service Accounts in Kubernetes Pods when preparing for the Certified Kubernetes Administrator (CKA) exam
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Let's take a look at an important concept in Kubernetes, how to store and use configuration data with ConfigMaps and Secrets. This is one of my post in my series of CKA blog posts
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Let's explore how a pod gets scheduled and how we can instruct the Kubernetes scheduler to place pods on nodes matching specific conditions
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A study guide for the Certified Kubernetes Administrator exam, now updated for taking the exam in 2024
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This post is one of my posts in my Certified Kubernetes Administrator (CKA) exam preparation and covers workloads. Pods, Deployments, Daemon Sets and Replica Sets. We'll take a closer look at Deployments, how to scale up and down, and how to perform rolling updates.
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This is an updated version of my blog post from 2020 on how to scale out a Kubernetes cluster on virtual machines. In this version we use Kubernetes version 1.28 installed on Ubuntu VMs. We'll see how to configure HAProxy as a load balancer for the kube-proxy service on the control plane nodes, and eventually how to add more control plane nodes and workers to the cluster to make it highly available
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This is an updated version of my blog post from 2020 on how to deploy a Kubernetes cluster on virtual machines. In this version we install Kubernetes version 1.28 on Ubuntu VMs with containerd as the container runtime, and Calico as the CNI
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