Minikube is a Kubernetes implementation for development and testing. By default, it uses Virtualbox. The newer version support docker driver, this allows you to use docker to run your minikube Kubernetes cluster. You can find documentation for minikube at https://minikube.sigs.k8s.io/docs/start/ First of all, we need to install Docker, for this, run the command. You must … Read more
In Google Kubernetes Engine, Nodes are Google Complete Engine (Virtual Machiens). Pods run inside Nodes. A Kubernetes cluster can contain multiple node pools. A node pool contain multiple nodes of same instance type. To create a Node Pool in Google Kubernetes Engine, run gcloud container node-pools create POOL_NAME \ –cluster=CLUSER_NAME \ –machine-type=e2-standard-2 \ –num-nodes=1 \ … Read more
Minikube is an easy-to-use Kubernetes that run on one machine. It is used for testing purposes. https://github.com/kubernetes/minikube Install Minikube with docker driver on Ubuntu To install minikube, run wget https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64 sudo mv minikube-linux-amd64 /usr/local/bin/minikube sudo chmod 755 /usr/local/bin/minikube Before you can start minikube, you need to install VirtualBox, this can be done with the command … Read more
To install MySQL server in Kubernetes, run helm install stable/mysql Once install is completed, you will get something like NOTES: MySQL can be accessed via port 3306 on the following DNS name from within your cluster: incendiary-monkey-mysql.default.svc.cluster.local To get your root password run: MYSQL_ROOT_PASSWORD=$(kubectl get secret –namespace default incendiary-monkey-mysql -o jsonpath=”{.data.mysql-root-password}” | base64 –decode; echo) … Read more
To install WordPress in Kubernetes, you need to install helm package manager. Now run helm install stable/wordpress After the helm chart is run, you will get commands to get login for WordPress admin area. Here is services it create boby@sok-01:~$ kubectl get service NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE kubernetes ClusterIP 10.39.240.1 443/TCP 34m whopping-labradoodle-mariadb … Read more
Helm is Package Manager for Kubernetes. Helm packages are called “Charts”. Charts allow you to deploy various software on Kubernetes cluster. https://helm.sh/ To install helm, run curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get > get_helm.sh bash get_helm.sh If you are on Ubuntu, you can install from snap snap install helm –classic To update helm repos, run helm repo update To … Read more
Create Kubernetes cluser using gcloud Google Kubernetes Engine get credentials Google Kubernetes Engine Node Pools To list all Kubernetes clusters, run gcloud container clusters list To create a Kubernetes cluster, run gcloud container clusters create CLUSTER_NAME Get credential for kubectl gcloud container clusters get-credentials CLUSTER_NAME List all nodes (GCP instances) kubectl get nodes