Kubectl

Kubectl is a command-line utility tool that is used to interact with Kubernetes clusters. It allows users to deploy, manage, and troubleshoot Kubernetes applications and resources. Kubectl can be used to perform a wide range of operations, including creating and scaling deployments, updating configurations, and inspecting resource states.

Advanced Example Usage:

1. To create a deployment: kubectl create deployment <deployment-name> --image=<image-name>

2. To view the status of a deployment: kubectl rollout status deployment/<deployment-name>

3. To scale a deployment: kubectl scale deployment/<deployment-name> --replicas=<replica-count>

4. To update the image of a deployment: kubectl set image deployment/<deployment-name> <container-name>=<new-image>

5. To create a service: kubectl create service <service-type> <service-name> --tcp=<port-number>:<target-port>

6. To view logs for a pod: kubectl logs <pod-name>

7. To create a secret: kubectl create secret <secret-type> <secret-name> --from-literal=<key>=<value>

8. To create a ConfigMap: kubectl create configmap <configmap-name> --from-literal=<key>=<value>

Overall, kubectl is a powerful tool for managing Kubernetes clusters and resources. Its extensive functionality and flexibility make it an essential tool for developers and operators working with Kubernetes.