Start Minikube Cluster

Delete Old minikube Cluster

$ minikube stop 
$ minikube delete

Start minikub clustor. 6 Core is need if you are running in Windows with minikube

$ minikube start --memory 12000 --cpus 6 --driver=virtualbox --no-vtx-check

Verify minikube k8 cluster

$ minikube status
$ kubectl get nodes

To install the Knative Serving component:

Install the required custom resources by running the command:

$ kubectl apply -f https://github.com/knative/serving/releases/download/knative-v1.9.3/serving-crds.yaml

Install the core components of Knative Serving by running the command:

$ kubectl apply -f https://github.com/knative/serving/releases/download/knative-v1.9.3/serving-core.yaml

Install cert-manager

Knative supports automatically provisioning TLS certificates through cert-manager. The following commands install the components needed to support the provisioning of TLS certificates through cert-manager.

Install cert-manager version v1.0.0 or later.

$ kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v1.11.0/cert-manager.yaml

Install the component that integrates Knative with cert-manager by running the command:

$ kubectl apply -f https://github.com/knative/net-certmanager/releases/download/knative-v1.9.3/release.yaml

Configure Knative to automatically configure TLS certificates by following the steps in Enabling automatic TLS certificate provisioning.

Install a networking layer: Istio

Install a properly configured Istio by following the Advanced Istio installation instructions or by running the command:

$ kubectl apply -l knative.dev/crd-install=true -f https://github.com/knative/net-istio/releases/download/knative-v1.9.2/istio.yaml
$ kubectl apply -f https://github.com/knative/net-istio/releases/download/knative-v1.9.2/istio.yaml

Install the Knative Istio controller by running the command:

$ kubectl apply -f https://github.com/knative/net-istio/releases/download/knative-v1.9.2/net-istio.yaml

Fetch the External IP address or CNAME by running the command:

$ kubectl --namespace istio-system get service istio-ingressgateway

Verify the installation of Knative Serving component & Istio

$ kubectl get pods -n knative-serving

You can configure DNS to prevent the need to run curl commands with a host header.

Knative provides a Kubernetes Job called default-domain that configures Knative Serving to use sslip.io as the default DNS suffix.

$ kubectl apply -f https://github.com/knative/serving/releases/download/knative-v1.9.3/serving-default-domain.yaml

$ kubectl get pods -A
$ kubectl get pods -A
$ kubectl --namespace istio-system get service istio-ingressgateway
$ kubectl get pods -A
$ kubectl get pods -A
$ kubectl --namespace istio-system get service istio-ingressgateway
$ kubectl --namespace istio-system get service istio-ingressgateway
$ kubectl get pods -A
$ kubectl get pods -n knative-serving
$ kubectl describe pod net-istio-controller-7466f95bb6-rvt8b -n knative-serving
$ kubectl get pods -n knative-serving
$ kubectl describe pod net-istio-webhook-69946ffc7d-sczrb -n knative-serving
$ kubectl get pods -n knative-serving

Certification Courses

DevOpsSchool has introduced a series of professional certification courses designed to enhance your skills and expertise in cutting-edge technologies and methodologies. Whether you are aiming to excel in development, security, or operations, these certifications provide a comprehensive learning experience. Explore the following programs:

DevOps Certification - Learn the fundamentals and advanced concepts of DevOps practices and tools.

DevSecOps Certification - Master the integration of security within the DevOps workflow.

SRE Certification - Gain expertise in Site Reliability Engineering and ensure reliability at scale.

MLOps Certification - Dive into Machine Learning Operations and streamline ML workflows.

AiOps Certification - Discover AI-driven operations management for next-gen IT environments.

Upgrade & Secure Your Future with DevOps, SRE, DevSecOps, MLOps!

Knative Tutorials: How to install Knative Serving 1.9 in Minikube?