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This is a complete noob question, but I can't figure out. When I type kubectl version into terminal I get:
Client Version: version.Info{Major:"1", Minor:"16", GitVersion:"v1.16.8", GitCommit:"ec6eb119b81be488b030e849b9e64fda4caaf33c", GitTreeState:"clean", BuildDate:"2020-03-12T21:00:06Z", GoVersion:"go1.13.8", Compiler:"gc", Platform:"darwin/amd64"}
Server Version: version.Info{Major:"1", Minor:"18", GitVersion:"v1.18.0", GitCommit:"9e991415386e4cf155a24b1da15becaa390438d8", GitTreeState:"clean", BuildDate:"2020-03-25T14:50:46Z", GoVersion:"go1.13.8", Compiler:"gc", Platform:"linux/amd64"}
what exactly is client and server in the context of kubectl? Is former for accessing a remote cluster and latter for running cluster on your own machine?
And one more question: how do I downgrade the version of the server? I followed instructions in the official docs but that only changes the server version. From some googling around I understand that the server version was set by Docker? How do I change it + will it break docker if I do?
Sorry if silly questions - I'm completely new to k8s.
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Cluster Version The Server Version is the version of Kubernetes your cluster is running. You can the Major version, the minor version, as well as the Git version. The latter includes the bug fix.
Client-side apply users who manage a resource with kubectl apply can start using server-side apply with the following flag. kubectl apply --server-side [--dry-run=server] By default, field management of the object transfers from client-side apply to kubectl server-side apply without encountering conflicts.
With Kubernetes, there's no need to use an external server or framework. While you can manage the environment settings for each runtime environment through Kubernetes YAML files, Red Hat OpenShift provides a GUI and CLI that can make it easier for DevOps teams to manage.
Kubectl is the client and Kubernetes API Server of the Kubernetes Cluster is the server.
Kubernetes Cluster can be installed on variety of operating systems on local machines or remote systems or edge devices. Regardless of where you install it kubectl is the client tool to interact with the Kubernetes API Server.
Server version depends on what version of the kubernetes software was used while setting up the Kubernetes Cluster and downgrade/upgrade process depends on the tool used to set it up as well.
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