This can be particularly helpful to migrate manifests to a non-deprecated api version with newer Kubernetes release. For more info, visit migrate to non deprecated apis. Thanks for the feedback. If you have a specific, answerable question about how to use Kubernetes, ask it on Stack Overflow. Open an issue in the GitHub repo if you want to report a problem or suggest an improvement.
If kubectl cluster-info returns the url response but you can't access your cluster, to check whether it is configured properly, use:. Introduction The kubectl completion script for Bash can be generated with the command kubectl completion bash. Sourcing the completion script in your shell enables kubectl autocompletion. You can install it with apt-get install bash-completion or yum install bash-completion , etc.
You now need to ensure that the kubectl completion script gets sourced in all your shell sessions. There are two ways in which you can do this:. Missing directories listed in a user's PATH are no longer considered errors and are instead logged by the kubectl plugin list command when listing available plugins. GMSA are a specific type of Active Directory account that provides automatic password management, simplified service principal name SPN management, and the ability to delegate the management to other administrators across multiple servers.
Default etcd server and client have been updated to v3. The list of validated docker versions has changed. The current list is 1. The default Go version was updated to 1. CNI has been updated to v0.
CSI has been updated to v1. The dashboard add-on has been updated to v1. Cluster Autoscaler has been updated to v1. Influxdb is unchanged at v1. Grafana is unchanged at v4. Kibana has been upgraded to v6.
CAdvisor has been updated to v0. Fluentd in fluentd-elasticsearch has been upgraded to v1. Calico is unchanged at v3. CoreDNS has been updated to v1. Es-image has been updated to Elasticsearch 6.
GLBC remains unchanged at v1. Ingress-gce remains unchanged at v1. Administrators are able to provide pod-to-pod PID isolation by defaulting the number of PIDs per pod as a beta feature.
In addition, administrators can enable node-to-pod PID isolation as an alpha feature by reserving a number of allocatable PIDs to user pods via node allocatable. The community hopes to graduate this feature to beta in the next release. Pod priority and preemption enables Kubernetes scheduler to schedule more important Pods first and when cluster is out of resources, it removes less important pods to create room for more important ones.
The importance is specified by priority. Pod Readiness Gates introduce an extension point for external feedback on pod readiness. Harden the default RBAC discovery clusterrolebindings removes discovery from the set of APIs which allow for unauthenticated access by default, improving privacy for CRDs and the default security posture of default clusters in general.
To get started with Kubernetes, check out these interactive tutorials. You can also easily install 1. This release is made possible through the efforts of hundreds of individuals who contributed both technical and non-technical content.
The 43 individuals on the release team coordinated many aspects of the release, from documentation to testing, validation, and feature completeness. This means it may take up to 10 business days for a new release or a new version to be available in all regions. For example, if AKS introduces 1. When a new minor version is introduced, the oldest minor version and patch releases supported are deprecated and removed.
For example, the current supported version list is:. If customers are running an unsupported Kubernetes version, they will be asked to upgrade when requesting support for the cluster. Clusters running unsupported Kubernetes releases are not covered by the AKS support policies. In addition to the above, AKS supports a maximum of two patch releases of a given minor version. So given the following supported versions:.
If AKS releases 1. You can use one minor version older or newer of kubectl relative to your kube-apiserver version, consistent with the Kubernetes support policy for kubectl. For example, if your kube-apiserver is at 1. AKS publishes a pre-announcement with the planned date of a new version release and respective old version deprecation on the AKS Release notes at least 30 days prior to removal. Azure Advisor is also used to alert the user if they are currently out of support. AKS publishes a service health notification available to all users with AKS and portal access, and sends an email to the subscription administrators with the planned version removal dates.
To find out who is your subscription administrators or to change it, please refer to manage Azure subscriptions. Users have 30 days from version removal to upgrade to a supported minor version release to continue receiving support.
Specific patch releases may be skipped or rollout accelerated, depending on the severity of the bug or security issue. For example, if AKS supports 1.
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