Top 10 k8 API Resources which is being by Kubernetes Admin

• Serviceaccount
• Configmap
• secret
• Roles/ Role Bindings
• Cluster roles / Cluster role bindings
• storage class
• networkpolicies
• ingressclasses/ingress
• ingress
• Node
• PV/PVC

Top 10 kubectl commands to troubleshoot Kubernetes

• kubectl describe <resource> <resource-name> -n <namespace> / kubectl describe pod pod-name -n namespace
• kubectl logs <pod-name> -n <namespace> -c <container-name>
• kubectl exec -ti <pod-name> -n <namcepsace> -c <container-name> — <command>/ kubectl exec -ti pod-name -n namespace — /bin/bash
• kubectl delete resource <resourcename>
• kubectl create <resource> resource name
• kubectl expose
• kubectl port-forward
• kubectl debug <pod>
• kubectl scale <resource>
• kubectl top

Top 15 commands which is being used by Kubernetes Administrator

• kubeadm init
• kubeadm join <node-name> –token <token>
• kubeadm upgrade
• kubeadm token
• kubeadm reset
• kubeadm token create/genereate/list
• kubectl create <resourcename> name –options
• kubectl apply -f <yaml file>
• install commands
• route
• iptables / iptables –flush
• kubectl logs <pod-name> -n <namespace> -c <container-name>
• kubectl exec -ti <pod-name> -n <namcepsace> -c <container-name> — <command>/ kubectl exec -ti pod-name -n namespace — /bin/bash
• kubectl proxy

Top Tools for Monitoring, Logging and Tracing Kubernetes & Apps

• Elasticsearh (ELK)
• Kibana
• Grafana
• Prometheus
• jaeger
• kubewatch
• Loki
• Fluent

Top 10 Practices for Securing Kubernetes

• Securing containerd
• enable RBAC
• Keep all the software version(kubernetes/linux) up to date
• verified base dockers / docker linting/ docker scans
• Secure Kubelet
• Network policies
• enable firewall
• CNI