We need to note that not all object in Kubernetes need to be in namespace, like nodes and persistentVolumes need not to be in namespace as those are low-level resources. To get the list of resources which are in a namespace and which are not, use below commands: kubectl api-resources...
$ kubectl get pods --namespace=kube-public No resources found in kube-public namespace. This command retrieves the pod information from the specified namespace. 4. Setting Namespace in Kubernetes Configuration Files If we frequently work with a particular namespace, we can set it as the defau...
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: kubectl create namespace [namespace-name] For[namespace-name], specify the namespace name. The rules for name...
Kubernetes allows you to define and switch between multiple contexts. Each context includes the cluster, user, and namespace information. You can switch between contexts to change both the namespace and cluster. To list all available contexts, use: kubectl config get-contexts Output: CURRENT NAME ...
kubectl get namespace [your-namespace] If the namespace was deleted successfully, Kubernetes returns an error: However, if the deletion did not complete successfully, the status of the namespace is listed asTerminating: To force delete a Kubernetes namespace, remove the finalizer from the namesp...
To deploy, run: helm install helm-opensearch opensearch/opensearch The output should look like this: Watch the cluster members: kubectl get pods --namespace=default-l app.kubernetes.io/component=opensearch-cluster-master -w Usage instructions ...
Monitoring Containers in Kubernetes Kubernetes takes the idea of container orchestration to the next level. It is an extensive system that manages a set of cluster nodes, with each node acting as a server for hosting multiple pods. Each pod can contain one or more containers running together. ...
The kube-scheduler component in Kubernetes is responsible pod scheduling. For each newly created pod or other unscheduled pods, kube-scheduler selects an optimal node fro
kubectl logs podname -n namespace – -tail=100 Effortlessly monitor your entire Kubernetes infrastructure. Learn more See the Live Logs or Follow Looking at the continuous logs is crucial, as when you’re debugging, you need to see the live logs. The kubectl logs command below will start fo...
Each service in Kubernetes has a unique DNS name. When you create a service, Kubernetes creates a DNS record for that service. The DNS record contains the IP address of the service and the port number. Kubernetes uses this information to route traffic to the service. The DNS name of a ...