For example, you might have Application A running in thedevnamespace and Application B in thetestnamespace. If you're working on Application A but need to troubleshoot Application B, you can switch to thetestnamespace to access its resources without affecting Application A. This allows you to...
To delete the namespace in Kubernetes, we first check whether the minikube cluster is installed or not. If it is already present, then you are good to go. If it is not, then first check the version of your operating system and then install the minikube cluster on your system to efficien...
A Kubernetes namespace isolates specific system resources usually visible to all processes. Each namespace has its own services, pods, and deployments in the cluster. A namespace inKubernetesis essentially the same as a project inOpenShift. These days, most products are containerized and can easi...
One DaemonSet is commonly used to deploy onedaemontype across all nodes. However, multiple DaemonSets can also control one daemon type by using different labels. Kubernetes labels specify deployment rules based on the characteristics of individual nodes. Note:To ensure the high performance of your c...
Install Kubernetes on CentOS7 Cluster administrator account Create Kubernetes Namespace Using kubectl The easiest way to create a Kubernetes namespace is via thekubectl CLI tool. To create a new Kubernetes namespace, use the following syntax: ...
The Kubernetes control plane in a Kubernetes cluster runs a collection of services that manage the orchestration functionality in Kubernetes. From a learning perspective, it makes sense to use a single control plane in your test environment as you explore Kubernetes functionality. However, in productio...
To be able to mount a device in Kubernetes, you first have to create a Device Plugin and then use that in the pod spec. Here is an example of a Device Plugin for/dev/fuse:https://github.com/kuberenetes-learning-group/fuse-device-plugin/blob/main/fuse-device-plugin-k8s-1.16.yml. ...
name: admin-user namespace: kubernetes-dashboard Then the following command can be used to create the new user: kubectl --kubeconfig config.yml create -f dashboard‑serviceaccount.yml serviceaccount/admin-user created A“token” will be required in order to be able to login to...
Verify the status of pods in kube-system namespace, $ kubectl get pods -n kube-system Output, Perfect, check the nodes status as well. $ kubectl get nodes Great, above confirms that nodes are active node. Now, we can say that our Kubernetes cluster is functional. ...
~$kubectl config set-context default/foo.kubernetes.com/--user=kubeuser/foo.--namespace=default--cluster=foo.kubernetes.com When you execute this command, it gives the following output: Now, after setting up the context name, let’s move to the next step and give a name to the new cont...