AKS – Adding SSH Keys to VMSS Nodes

You can connect to Azure Kubernetes Service (AKS) nodes using ssh. It is documented here: Connect with SSH to Azure Kubernetes Service (AKS) cluster nodes for maintenance or troubleshooting. I needed to access nodes on the System node pool for collecting some logs recently, but the process documented above was not working for me. It turns out that there were two different issues, both related to adding your SSH keys to the nodes in a virtual machine scale set (VMSS). This is the az cli command that adds the ssh keys to the VMSS: I was running this command from powershell on a windows host. So, the first modification I needed was to escape the double quotes by doubling them. […]

AKS Supported Kubernetes Versions

Azure Kubernetes Service (AKS) supports specific versions of Kubernetes.It is necessary to regularly monitor the release of new versions and upgrade your AKS clusters to supported versions in order to remain in compliance with AKS Kubernetes Version Support Policy. AKS announces the planned date of a new minor version release and corresponding old version deprecation via AKS Release notes at least 30 days prior to removal. An email notification is sent to the subscription administrators with the planned version removal dates. You get 30 days from version removal to upgrade to a supported minor version release. Patch versions can be released anytime and you get 30 days from the removal date to upgrade to a supported patch version. You should […]