Step 3:Removekubernetesfrom the finalizer array, and save the file. You can skip to step 4 now unless you're on OpenShift or OKD. For those, you must set up a temporary proxy. Keep this terminal open until the
To force delete a Kubernetes namespace, remove the finalizer from the namespace's configuration. The finalizer is a Kubernetes resource whose purpose is to prohibit the force removal of an object. The steps below demonstrate the procedure for removing the finalizer from the namespace configuration....
The action of deleting aKubernetes podis very simple with thekubectl delete podcommand: kubectl delete pod pod-name However, there are specific steps you should take to minimize disruption for your application. I'll explain it in detail in this article. Delete Kubernetes pods gracefully First, l...
Ideally, Kubernetes software should be able to back up specific applications, specific groups of applications, as well as the entire Kubernetes namespace. That’s not to say that it is completely different from the regular backup process – Kubernetes backups can also benefit greatly from some ...
Procedure to remove excess cluster modules First generate a complete list of cluster modules using the below command: govc cluster.module.ls > govc-modules.txt We can get the list of clustermodules from the management cluster by using the following command (note: this uses the commands `kubect...
In Kubernetes,field selectorsallow us to filter the objects based on certain fields. For example, we can use themetadata.nameormetadata.namespacefields to filter theServiceobjects. Let’s understand this with a simple example, but before that, let’s recreate all services: ...
To check expiration date on kubernetes component certificates: ssh capv@CONTROL-PLANE-IP sudo -i kubeadm alpha certs check-expiration Note: For TKGm 1.5.x , you can remove the "alpha" from the command above Kubelet certs are automatically rotated when the current certificate approaches the expi...
Different business systems often have different-sized resource needs, along with specialized hardware requirements (such as GPUs). The concept of node labels in Kubernetes allows you to put labels onto all of your various nodes. Pods, meanwhile, can be configured to use specific “nodeSelectors”...
A Kubernetes context is a configuration that groups parameters to facilitate interaction with different clusters. It encapsulates three key pieces of information: the cluster to access, the user performing operations, and the namespace for those actions. Defining and using contexts allows us to quickly...
storage.k8s.io/v1kind: StorageClassmetadata:name: glusterfs-storageparameters:resturl: http://heketi-storage-app-storage.apps.ocpgluster.comrestuser: adminsecretName: heketi-storage-admin-secretsecretNamespace: app-storagevolumenameprefix: gf❶provisioner: kubernetes.io/glusterfsreclaimPolicy: Delete ...