new post

Author: Go2Engle

_posts/how-to/kubernetes/2024-03-15-kubeconfigMerging.md

@@ -0,0 +1,72 @@
+---
+title: Kubeconfig merging on Windows with Powershell 
+date: 2024-04-15
+categories: [How-to, Kubernetes, Powershell]
+tags: [kubernetes,k8s,k3s,howto,Powershell]     # TAG names should always be lowercase
+---
+
+# Merging kubeconfig Files in Windows Using PowerShell
+
+Managing Kubernetes configurations can be a crucial aspect of working efficiently with Kubernetes clusters. In this guide, we will walk through the process of merging a new kubeconfig file into the main kubeconfig file on Windows using PowerShell.
+
+Feel free to customize the instructions below to suit your specific environment and preferences. Following these steps will enable you to efficiently manage kubeconfig files on Windows using PowerShell.
+
+Happy Kubernetizing! 🚀🔧
+
+## Prerequisites
+
+Before proceeding, ensure you have the following:
+
+- PowerShell installed on your Windows machine.
+- kubectl command-line tool installed and configured.
+- Access to the kubeconfig files you wish to merge.
+
+## Procedure
+
+Replace `<username>` and `<new-config>` with your username and new config file you want to merge.
+```powershell
+# make a backup
+cd ~/.kube/
+cp config config.bak
+
+# merge both kube config files
+$ENV:KUBECONFIG = "C:\Users\<username>\.kube\config;C:\Users\<username>\.kube\<new-config>"
+
+# verify that the variable is set
+$ENV:KUBECONFIG
+
+# output to temp file
+kubectl config view --flatten > config-merged
+
+# verify that config-merged is correct
+kubectl --kubeconfig=config-merged config get-clusters
+
+# delete backup
+rm config
+
+# move merged file to config
+mv config-merged config
+
+# remove (optional)
+rm config.bak
+```
+
+## Managing Contexts
+
+### List All Clusters
+
+To list all clusters configured in your kubeconfig file, use the following command:
+
+```powershell
+kubectl config get-clusters
+```
+
+
+### Deleting a Cluster by Name
+
+To delete a cluster from your kubeconfig file by its name, execute the following command:
+
+Replace `<cluster_name>` with the name of the cluster you wish to delete.
+```powershell
+kubectl config delete-cluster <cluster_name>
+```