Running pods on master nodes in RKE
You may run into situations where you need to run pods on your K8s master node. If you’r using RKE, you need to taint two labels on the controller/master node. You can obtain the current labels using kubectl describe node NODENAME and look under the labels section Labels: beta.kubernetes.io/arch=amd64 beta.kubernetes.io/os=linux kubernetes.io/arch=amd64 kubernetes.io/hostname=lab-1 kubernetes.io/os=linux node-role.kubernetes.io/controlplane=true node-role.kubernetes.io/etcd=true
Apache Openwhisk with Kubespray
If you’ looking into serverless computing, you probably have bumped into Apache Openwhisk and Knative. Both are the opensource frameworks for serverless computing that allow you to deploy event-driven microservices, called functions. Apache Openwhisk deployment has many options, including on top of a running Kubernetes cluster. You may always use the Kubernetes deployment tools such