Reading Time: 4 minutesIf like me, you have been working with Azure Kubernetes Service (AKS) or any Kubernetes cluster and want to assign a DNS record to an ingress resource you must manually do it or script something using Azure CLI. Yes, I have done this, and it sort of works. But now Read more
Reading Time: 3 minutesIf you have been following along with my blog, you may have come across some previous posts about updating Azure Kubernetes Service (AKS). One (https://pixelrobots.co.uk/2019/05/apply-os-updates-to-aks-nodes-without-an-upgrade/) talked about kured (KUbernetes REboot Daemon) by weaveworks https://github.com/weaveworks/kured. The issue with this method is it only supported Linux Kubernetes nodes. So, your windows Kubernetes Read more
Reading Time: 4 minutesDid you know that even when you have enabled Azure AD integration with your AKS cluster, a subscription Owner and Contributor can still access you AKS cluster with the -admin switch? In fact, anyone who is a member of the Azure Kubernetes Service Cluster Admin Role (https://docs.microsoft.com/en-us/azure/role-based-access-control/built-in-roles#azure-kubernetes-service-cluster-admin-role) can. You were Read more
Reading Time: < 1 minuteOver the last few months or so I have had the pleasure of tech reviewing the “Hands-on Kubernetes on Azure” third edition book by Packt Publishing. This edition has so much more than the previous books. In fact, it has gone from just over 300 pages to over 500! What’s Read more
Reading Time: 2 minutesWith release 2021-04-22 of AKS you can now Update your Windows node passwords via the CLI. Before this update you were unable to. This can be super annoying as you can set the node pools up without specifying passwords. So, if you needed to login to the node for any Read more
Reading Time: 3 minutesWhen working with Kubernetes and secrets in particular you will know that they are not secure by default. In fact, they are just base64 encoded strings which can be easily decoded. You can use other tools to keep your secrets safe and then allow Kubernetes to access them. In this Read more
Reading Time: 3 minutesSometimes you have an application that needs to scale super-fast, so fast that you can’t wait for a new Kubernetes node to spin up before your pods can be scheduled. Azure Kubernetes Service has a cluster auto scaler which can be enabled on cluster build or added after. This is awesome, Read more
Reading Time: 2 minutesAt Microsoft Ignite (March 2021) the AKS team announced maintenance windows are now in public preview. But for some reason they release no docs relating to it, just an arm snippet. So, I decided to do some digging. First, I looked for the aks-preview az cli extension on GitHub to Read more
Reading Time: 4 minutesYou may have read my previous blog post on applying OS updates to your Azure Kubernetes Cluster (AKS) without doing a cluster upgrade https://pixelrobots.co.uk/2019/05/apply-os-updates-to-aks-nodes-without-an-upgrade/. This method used kured (KUbernetes REboot Daemon) by weaveworks https://github.com/weaveworks/kured. This method installed some Kubernetes resources onto your cluster. This new method, which is still in Read more
Reading Time: 3 minutesSo, now most of you using Azure Kubernetes Service will probably know about node pools. If you are not too sure, then a node pool is a grouping of nodes of the same configuration. But did you know there are two different types of node pools? We have System and Read more