Get the latest Kubernetes Dashboard and deploy Create service account and role In admin-service user.yaml, enter the following values: In admin-user-role.yaml, enter the following values: Now apply changes to deploy it to K3S cluster: Expose service as NodePort to access from browser In edit mode change type: ClusterIP to type: NodePort. And save it. Your
Setup K3S Cluster By default, Rancher K3S comes with Traefik 1.7. We will setup K3S without Traefik ingress in this tutorial. Execute the above command on master node 2 to setup HA.Validate cluster setup: Make sure you have HA Proxy Setup: We will use above command output value to join worker nodes: MetalLB Setup Create
In this tutorial I will go over how to install and setup MetalLB for on-premise implementation. Pre-req Installing MetalLB NOTE: The above example was used from here Validate deployments by executing the below command: Apply network configurations Create a file called metallb-config.yaml and enter the following values: Apply changes: And you are done!
In this tutorial, I will show you how to set up a lightweight Kubernetes cluster using rancher k3s. My current Raspberry Pi 4 configuration: Hostname RAM CPU Disk IP Address k3s-master-1 8 GB 4 64 GB 192.168.1.10 k3s-worker-node-1 8 GB 4 64 GB 192.168.1.11 k3s-worker-node-2 8 GB 4 64 GB 192.168.1.12 Prerequisite set values as shown below: Apply changes by executing
Pre-req Download rke package and set executable permissions RKE Cluster setup First, we must setup rke cluster configuration file to deploy it to rke node where the cluster will be setup. Continue with interactive configurations to setup single node cluster. Run the below command to setup rke cluster Output: Connecting to Kubernetes cluster HELM Installation
Make sure you are familiar with connecting to a Kubernetes cluster, have the Nginx ingress controller configured with a certificate manager, and have a MySQL database pod deployed. Only then, can you proceed. Follow this guide if you do not have MySQL deployed. Follow this guide to set up Nginx ingress and cert manager. PhpMyAdmin
NOTE: This tutorial assumes you know how to connect to a Kubernetes cluster. Create secrets to securely store MySQL credentials Output: Persistant volume and MySQL deployment Execute the below command to create persistent volume: Output: Execute the below command to deploy MySQL pod: Output: Exposing MySQL as a Service Output: Output:
Kubernetes services allow pods to be able to communicate outside Kubernetes cluster. There are three types of services as follows: ClusterIPClusterIP is a default internal cluster IP address used when creating a service internal. This cluster IP is only accessible within the cluster and cannot be reached from outside network. When you do kubectl get
To manage a Kubernetes cluster, you need to know some basic commands to be able to manage the cluster. Below are basic command lines to manage pods, nodes, services, etc. Pods kubectl get pods is a command-line tool used in Kubernetes, a popular container orchestration platform, to retrieve information about pods that are running within
In this tutorial, I will show you how to get status of all the nodes in kubernetes cluster. To get status of all nodes, execute below command: output: To get more information about nodes, execute below command: output:
