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Registering Existing Kubernetes Clusters to Rancher
The control that Rancher has to manage a registered cluster depends on the type of cluster. We want to manage "set of" clusters within one Rancher UI, so this is guide how to perform the task quickly and ez. Prerequisites Kubernetes Node Roles Registered RKE Kubernetes clusters must have all three node roles – etcd,…
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Upgrade k8s and Rancher
After using k8s and Rancher in several months, I decided to upgrade the current system to: microk8s v1.27.x rancher v2.8.1 Upgrade microk8s Update your system first: sudo apt update Next, check the current version of microk8s: microk8s kubectl get node The result something likes: root@vmi1535815:~# microk8s kubectl get node NAME | STATUS | ROLES |…
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Deploying a Kubernetes environment with MicroK8S and Rancher
After securely connected to VPS, Mostly of development and deployment can be done with traditional stuffs, something likes install nginx/apache, build source code and upload to the server via SFTP or git. To make it easy for deloyment task, using Docker images and for self-practice in DevOps field, I decided to use Kubernetes and begining…