Search copy-ready DevOps commands

kubectl annotate namespace production linkerd.io/inject=enabled

kubectl apply -f -

kubectl apply -f ./k8s-manifests/

kubectl apply -f deployment.yaml

kubectl apply -f deployment.yaml

kubectl apply -f deployment.yaml --dry-run=client

kubectl apply -f deployment.yaml --dry-run=server

kubectl apply -f deployment.yaml --record

kubectl apply -f gateway.yaml

kubectl apply -f https://example.com/manifest.yaml

kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml

kubectl apply -f manifest.yaml

kubectl apply -f virtualservice.yaml

kubectl auth can-i --list --namespace production

kubectl auth can-i --list -n production

kubectl auth can-i get pods --as system:serviceaccount:production:webapp -n production

kubectl autoscale deployment nginx --min=2 --max=10 --cpu-percent=80

kubectl autoscale deployment nginx --min=2 --max=10 --cpu-percent=80

kubectl cluster-info

kubectl cluster-info dump

kubectl cluster-info dump

kubectl config current-context

kubectl config get-contexts

kubectl config get-contexts

kubectl config set-cluster my-cluster --server=https://k8s.example.com

kubectl config set-context --current --namespace=<namespace>

kubectl config set-context --current --namespace=production

kubectl config set-context --current --namespace=production

kubectl config set-credentials admin --token=bearer_token_here

kubectl config use-context <context>

kubectl config use-context production

kubectl config use-context production-cluster

kubectl config use-context staging

kubectl config view

kubectl cp ./local-file.txt my-pod:/tmp/

kubectl cp my-pod:/app/config.json ./config.json

kubectl cp my-pod:/app/data ./backup/

kubectl cp my-pod:/logs/app.log ./app.log -c nginx

kubectl create configmap app-config --from-literal=ENV=production

kubectl create configmap app-configs --from-file=./configs/

kubectl create configmap app-env --from-env-file=.env

kubectl create configmap nginx-config --from-file=nginx.conf

kubectl create deployment <name> --image=<image>

kubectl create deployment nginx --image=nginx

kubectl create deployment nginx --image=nginx

kubectl create deployment nginx --image=nginx --dry-run=client -o yaml > deployment.yaml

kubectl create deployment nginx --image=nginx:1.21

kubectl create deployment nginx --image=nginx:1.21 --replicas=3

kubectl create job data-import --image=myapp:latest -- python import.py

kubectl create namespace development

kubectl create namespace production --dry-run=client -o yaml |

kubectl create ns production

kubectl create secret docker-registry regcred

kubectl create secret docker-registry regcred

kubectl create secret generic app-config

kubectl create secret generic app-secrets

kubectl create secret generic app-secrets --from-env-file=.env

kubectl create secret generic db-password --from-literal=password=mysecret

kubectl create secret generic tls-cert --from-file=tls.crt --from-file=tls.key

kubectl create secret tls my-tls-secret --cert=tls.crt --key=tls.key

kubectl delete -f deployment.yaml

kubectl delete -f manifest.yaml

kubectl delete all --all -n test-namespace

kubectl delete deployment nginx

kubectl delete job data-migration

kubectl delete namespace consul

kubectl delete namespace development

kubectl delete namespace istio-system

kubectl delete pod <name> --force --grace-period=0

kubectl delete pod my-pod --force --grace-period=0

kubectl delete pod my-pod --grace-period=30

kubectl delete pod pod-name

kubectl delete pods -l app=nginx

kubectl describe deployment nginx

kubectl describe deployment nginx

kubectl describe endpoints nginx-service

kubectl describe node worker-1

kubectl describe nodes

kubectl describe pod <name>

kubectl describe pod <name>

kubectl describe pod <pod-name>

kubectl describe pod <pod-name>

kubectl describe pod <pod-name>

kubectl describe pod my-pod

kubectl describe pod my-pod -n production

kubectl describe pod pod-name

kubectl describe pod pod-name

kubectl describe pod pod-name

kubectl describe pod pod-name

kubectl describe pod pod-name | grep -A 5 "Requests"

kubectl describe pod pod-name | grep Image

kubectl describe service <service-name>

kubectl describe service my-service

kubectl exec -i postgres-0 -n $NAMESPACE --

kubectl exec -it <pod> -- /bin/bash

kubectl exec -it my-pod -- /bin/bash

kubectl exec -it my-pod -c nginx -- /bin/sh

kubectl exec -it pod-name -- bash

kubectl exec -it pod-name -- sh

kubectl exec $POD -n $NAMESPACE -- curl -f http://localhost:8080/health

kubectl exec my-pod -- env

kubectl exec my-pod -- ls /app

kubectl exec my-pod -- su - appuser -c "whoami"

kubectl exec postgres-0 -n $NAMESPACE --

kubectl expose deployment <name> --port=80

kubectl expose deployment nginx --name=nginx-service --port=80

kubectl expose deployment nginx --port=80

kubectl expose deployment nginx --port=80 --type=LoadBalancer

kubectl expose deployment nginx --type=LoadBalancer --port=80 --target-port=8080

kubectl expose deployment nginx --type=NodePort --port=80

kubectl get --raw /healthz

kubectl get $resource -n $NAMESPACE -o yaml > $BACKUP_DIR/$resource.yaml

kubectl get all

kubectl get all

kubectl get all

kubectl get all --all-namespaces -o yaml > cluster-backup.yaml

kubectl get all -n $NAMESPACE -o yaml > $BACKUP_DIR/all-resources.yaml

kubectl get deploy -n production -o yaml | linkerd inject - | kubectl apply -f -

kubectl get deploy -n production -o yaml | linkerd uninject - | kubectl apply -f -

kubectl get endpoints

kubectl get endpoints -A

kubectl get endpoints <service-name>

kubectl get endpoints <service-name>

kubectl get endpoints nginx-service

kubectl get events --field-selector involvedObject.name=pod-name

kubectl get events --sort-by=.metadata.creationTimestamp

kubectl get events --sort-by=.metadata.creationTimestamp

kubectl get events --sort-by='.lastTimestamp'

kubectl get events --sort-by='.lastTimestamp'

kubectl get events -A --sort-by=.lastTimestamp > incident-k8s-events.txt

kubectl get events -n production --watch

kubectl get ingress -A

kubectl get ingress -A

kubectl get ingress -n webapp

kubectl get jobs

kubectl get namespaces

kubectl get networkpolicy -A

kubectl get networkpolicy -A

kubectl get networkpolicy -A

kubectl get networkpolicy -A -o yaml > evidence/$(date +%Y-%m-%d)/networkpolicies.yaml

kubectl get ns

kubectl get pod my-pod -o json

kubectl get pod my-pod -o yaml

kubectl get pod web-abc123 -n production -o jsonpath='{.spec.containers[*].name}'

kubectl get pods

kubectl get pods

kubectl get pods --all-namespaces

kubectl get pods --show-labels

kubectl get pods --sort-by=.metadata.creationTimestamp

kubectl get pods -A

kubectl get pods -A

kubectl get pods -A -o jsonpath='{range .items[*]}{.metadata.namespace}{"/"}{.metadata.name}{" user="}{.spec.securityContext.runAsUser}{"\n"}{end}'

kubectl get pods -l app=nginx

kubectl get pods -n consul

kubectl get pods -n istio-system

kubectl get pods -n istio-system

kubectl get pods -n linkerd

kubectl get pods -n production -o jsonpath='{range .items[*]}{.metadata.name}{" containers="}{range .spec.containers[*]}{.name}{","}{end}{"\n"}{end}'

kubectl get pods -n webapp

kubectl get pods -o custom-columns=NAME:.metadata.name,STATUS:.status.phase

kubectl get pods -o wide

kubectl get pods -w

kubectl get rolebinding,role -n $NAMESPACE -o yaml > $BACKUP_DIR/rbac.yaml

kubectl get secrets

kubectl get svc

kubectl get svc

kubectl get svc -A

kubectl get svc -A

kubectl label -f - env=production --local -o yaml |

kubectl label namespace production istio-injection-

kubectl label namespace production istio-injection-

kubectl label namespace production istio-injection=enabled

kubectl label namespace production pod-security.kubernetes.io/enforce=restricted

kubectl logs -f <pod>

kubectl logs -f my-pod

kubectl logs -l app=nginx --all-containers=true

kubectl logs <pod-name>

kubectl logs <pod-name> --previous

kubectl logs <pod-name> --previous  # Previous container instance

kubectl logs <pod> --previous

kubectl logs deploy/web -n production -c istio-proxy --tail=100

kubectl logs deploy/web -n production -c linkerd-proxy --tail=100

kubectl logs job/data-migration

kubectl logs my-pod

kubectl logs my-pod --previous

kubectl logs my-pod --since=1h

kubectl logs my-pod --tail=100

kubectl logs my-pod -c nginx

kubectl logs pod-name

kubectl logs pod-name

kubectl logs pod-name --previous

kubectl logs pod-name --previous

kubectl patch svc myapp -n production -p

kubectl patch svc myapp -p

kubectl patch virtualservice myapp --type merge -p '

kubectl patch virtualservice myapp --type merge -p "

kubectl patch virtualservice web -n production --type merge -p '{"spec":{"http":[{"route":[{"destination":{"host":"web.production.svc.cluster.local","subset":"stable"},"weight":50},{"destination":{"host":"web.production.svc.cluster.local","subset":"canary"},"weight":50}]}]}}'

kubectl port-forward --address 0.0.0.0 pod/my-pod 8080:80

kubectl port-forward deployment/nginx 8080:80

kubectl port-forward pod/my-pod 8080:80

kubectl port-forward service/my-service 8080:80

kubectl port-forward svc/<name> 8080:80

kubectl port-forward svc/myapp-${{ steps.current.outputs.inactive }} 8080:80 &

kubectl port-forward svc/myapp-$INACTIVE 8080:80 -n production &

kubectl port-forward svc/web 8080:80 -n production

kubectl port-forward svc/web 8080:80 -n production

kubectl rollout history deployment/myapp -n production

kubectl rollout history deployment/nginx

kubectl rollout pause deployment/nginx

kubectl rollout restart deployment -n production

kubectl rollout restart deployment -n production

kubectl rollout restart deployment -n production

kubectl rollout restart deployment/nginx

kubectl rollout resume deployment/nginx

kubectl rollout status deployment/<name>

kubectl rollout status deployment/$APP_NAME -n $NAMESPACE --timeout=10m

kubectl rollout status deployment/backend -n webapp

kubectl rollout status deployment/frontend -n webapp

kubectl rollout status deployment/myapp

kubectl rollout status deployment/myapp

kubectl rollout status deployment/myapp

kubectl rollout status deployment/myapp --timeout=5m

kubectl rollout status deployment/myapp -n staging --timeout=5m

kubectl rollout status deployment/myapp-${{ steps.current.outputs.inactive }}

kubectl rollout status deployment/myapp-$INACTIVE -n production --timeout=5m

kubectl rollout status deployment/nginx

kubectl rollout status deployment/nginx

kubectl rollout undo deployment/<name>

kubectl rollout undo deployment/$APP_NAME -n $NAMESPACE

kubectl rollout undo deployment/myapp

kubectl rollout undo deployment/myapp -n production

kubectl rollout undo deployment/myapp -n production --to-revision=2

kubectl rollout undo deployment/nginx

kubectl rollout undo deployment/nginx

kubectl rollout undo deployment/nginx --to-revision=2

kubectl run -it --rm debug --image=busybox --restart=Never -- nslookup kubernetes.default

kubectl run -it --rm debug --image=busybox --restart=Never -- wget -O- <service-name>

kubectl run -it --rm debug --image=nicolaka/netshoot --restart=Never -- bash

kubectl run -it busybox --image=busybox --rm -- sh

kubectl run curl -n production --rm -it --image=curlimages/curl -- sh

kubectl run curl-test --rm -it --image=curlimages/curl -- curl -I http://SERVICE_NAME.NAMESPACE.svc.cluster.local

kubectl run dns-test --rm -it --image=busybox:1.36 -- nslookup kubernetes.default

kubectl run nginx --image=nginx

kubectl run nginx --image=nginx

kubectl run nginx --image=nginx --dry-run=client -o yaml > pod.yaml

kubectl run nginx --image=nginx:1.21 --port=80 --labels=app=web

kubectl run smoke-test --rm -i --restart=Never

kubectl scale deployment <name> --replicas=3

kubectl scale deployment compromised-app --replicas=0 -n production

kubectl scale deployment nginx --current-replicas=3 --replicas=5

kubectl scale deployment nginx --replicas=3

kubectl scale deployment nginx --replicas=5

kubectl scale deployment other-app --replicas=0

kubectl scale deployment/myapp --replicas=0 -n $NAMESPACE

kubectl scale deployment/myapp --replicas=3 -n $NAMESPACE

kubectl set image deployment/<name> <container>=<image>

kubectl set image deployment/$APP_NAME

kubectl set image deployment/app web=app:v2 cache=redis:6

kubectl set image deployment/myapp

kubectl set image deployment/myapp

kubectl set image deployment/myapp

kubectl set image deployment/myapp

kubectl set image deployment/myapp

kubectl set image deployment/myapp-${{ steps.current.outputs.inactive }}

kubectl set image deployment/myapp-$INACTIVE

kubectl set image deployment/nginx nginx=nginx:1.22

kubectl set image deployment/nginx nginx=nginx:1.22 --record

kubectl top nodes

kubectl top nodes

kubectl top nodes

kubectl top nodes

kubectl top nodes

kubectl top pods

kubectl top pods

kubectl top pods

kubectl top pods -n production

kubectl version

kubectl version --client

kubectl version --short

kubectl wait --for=condition=ready pod

kubectl wait --for=condition=ready pod

kubectl wait --for=condition=ready pod

linkerd install --crds | kubectl apply -f -

linkerd install | kubectl apply -f -

linkerd install | kubectl apply -f -

linkerd smi install | kubectl apply -f -

linkerd uninstall | kubectl delete -f -

linkerd viz install | kubectl apply -f -