Kubernetes

$ curl -LO https://dl.k8s.io/release/$(curl -sL https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/

Install kubectl CLI on Linux using curl

Start local cluster with minikube

$ minikube start

Start a local Kubernetes cluster using minikube

Verify cluster connection

$ kubectl cluster-info

Display cluster info to verify kubectl is connected

Show current context

$ kubectl config current-context

Display the current kubectl context.

List all contexts

$ kubectl config get-contexts

List all available contexts.

Switch context

$ kubectl config use-context <context-name>

Switch to a different cluster context.

Set default namespace

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

Set default namespace for current context.

View kubeconfig

$ kubectl config view

Show merged kubeconfig settings.

View kubeconfig with secrets

$ kubectl config view --raw

Show kubeconfig with certificate data.

Get current namespace

$ kubectl config view --minify -o jsonpath='{..namespace}'

Show the current default namespace.

Delete context

$ kubectl config delete-context <context-name>

Remove a context from kubeconfig.

Rename context

$ kubectl config rename-context <old> <new>

Rename a context in kubeconfig.

List deployments

$ kubectl get deployments

List all deployments in namespace.

Describe deployment

$ kubectl describe deployment <name>

Show detailed deployment information.

Create deployment

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

Create a new deployment.

Scale deployment

$ kubectl scale deployment <name> --replicas=3

Scale deployment to specified replicas.

Update deployment image

$ kubectl set image deployment/<name> <container>=<image>:<tag>

Update container image in deployment.

Rollout status

$ kubectl rollout status deployment/<name>

Monitor deployment rollout progress.

Rollout history

$ kubectl rollout history deployment/<name>

View deployment revision history.

Rollback deployment

$ kubectl rollout undo deployment/<name>

Rollback to previous deployment version.

Rollback to specific revision

$ kubectl rollout undo deployment/<name> --to-revision=2

Rollback to a specific revision number.

Restart deployment

$ kubectl rollout restart deployment/<name>

Trigger a rolling restart of all pods.

Pause rollout

$ kubectl rollout pause deployment/<name>

Pause an ongoing deployment rollout.

Resume rollout

$ kubectl rollout resume deployment/<name>

Resume a paused deployment rollout.

List services

$ kubectl get services

List all services in namespace.

Describe service

$ kubectl describe service <name>

Show detailed service information.

Create ClusterIP service

$ kubectl create service clusterip <name> --tcp=80:8080

Create internal ClusterIP service.

Create NodePort service

$ kubectl create service nodeport <name> --tcp=80:8080

Create NodePort service for external access.

Create LoadBalancer service

$ kubectl create service loadbalancer <name> --tcp=80:8080

Create LoadBalancer service.

Expose deployment

$ kubectl expose deployment <name> --port=80 --target-port=8080

Create service to expose a deployment.

Get service endpoints

$ kubectl get endpoints <service>

Show pod IPs backing a service.

Port forward to pod

$ kubectl port-forward pod/<pod> 8080:80

Forward local port to pod port.

Port forward to service

$ kubectl port-forward svc/<service> 8080:80

Forward local port to service port.

List namespaces

$ kubectl get namespaces

List all namespaces.

Create namespace

$ kubectl create namespace <name>

Create a new namespace.

Describe namespace

$ kubectl describe namespace <name>

Show namespace details and resource quotas.

Delete namespace

$ kubectl delete namespace <name>

Delete namespace and all its resources.

Get resources in namespace

$ kubectl get all -n <namespace>

List all resources in a namespace.

List secrets

$ kubectl get secrets

List all secrets in namespace.

Create secret from literal

$ kubectl create secret generic <name> --from-literal=key=value

Create secret with key-value pair.

Create secret from file

$ kubectl create secret generic <name> --from-file=./secret.txt

Create secret from file contents.

Create TLS secret

$ kubectl create secret tls <name> --cert=cert.crt --key=key.key

Create TLS secret from certificate files.

Create Docker registry secret

$ kubectl create secret docker-registry <name> --docker-server=<server> --docker-username=<user> --docker-password=<pass>

Create secret for Docker registry auth.

Decode secret value

$ kubectl get secret <name> -o jsonpath='{.data.key}' | base64 -d

Decode and display secret value.

Decode all secrets

$ kubectl get secret <name> -o go-template='{{range $k,$v := .data}}{{$k}}: {{$v|base64decode}}{{"\n"}}{{end}}'

Decode and display all secret values.

List configmaps

$ kubectl get configmaps

List all configmaps in namespace.

Create configmap from literal

$ kubectl create configmap <name> --from-literal=key=value

Create configmap with key-value pair.

Create configmap from file

$ kubectl create configmap <name> --from-file=config.yaml

Create configmap from a file.

Create configmap from directory

$ kubectl create configmap <name> --from-file=./config/

Create configmap from directory of files.

Get configmap data

$ kubectl get configmap <name> -o yaml

View configmap contents as YAML.

List nodes

$ kubectl get nodes

List all cluster nodes.

Get nodes with details

$ kubectl get nodes -o wide

List nodes with IP and version info.

Describe node

$ kubectl describe node <node-name>

Show detailed node information.

Node resource usage

$ kubectl top nodes

Show CPU and memory usage per node.

Cordon node

$ kubectl cordon <node-name>

Mark node as unschedulable.

Uncordon node

$ kubectl uncordon <node-name>

Mark node as schedulable again.

Drain node

$ kubectl drain <node> --ignore-daemonsets --delete-emptydir-data

Safely evict pods before maintenance.

Label node

$ kubectl label nodes <node-name> key=value

Add label to a node.

Taint node

$ kubectl taint nodes <node-name> key=value:NoSchedule

Add taint to node to repel pods.

Remove taint from node

$ kubectl taint nodes <node-name> key:NoSchedule-

Remove taint from a node.

Get worker nodes only

$ kubectl get nodes --selector='!node-role.kubernetes.io/control-plane'

List only worker nodes (exclude control plane).

List ingresses

$ kubectl get ingress

List all ingress resources.

Describe ingress

$ kubectl describe ingress <name>

Show detailed ingress configuration.

Create ingress

$ kubectl create ingress <name> --rule='host/path=service:port'

Create an ingress rule.

Get ingress with class

$ kubectl get ingress -o custom-columns='NAME:.metadata.name,CLASS:.spec.ingressClassName'

List ingresses with their ingress class.

List jobs

$ kubectl get jobs

List all jobs in namespace.

Create job

$ kubectl create job <name> --image=<image> -- <command>

Create a job from command.

Get job logs

$ kubectl logs job/<name>

View logs from a job.

List cronjobs

$ kubectl get cronjobs

List all cronjobs.

Create cronjob

$ kubectl create cronjob <name> --image=<image> --schedule='*/5 * * * *' -- <command>

Create a scheduled cronjob.

Trigger cronjob manually

$ kubectl create job --from=cronjob/<name> <job-name>

Create a job from cronjob template.

List statefulsets

$ kubectl get statefulsets

List all statefulsets.

Describe statefulset

$ kubectl describe statefulset <name>

Show detailed statefulset information.

Scale statefulset

$ kubectl scale statefulset/<name> --replicas=3

Scale statefulset to specified replicas.

Rollout status statefulset

$ kubectl rollout status statefulset/<name>

Monitor statefulset rollout progress.

List daemonsets

$ kubectl get daemonsets

List all daemonsets.

Describe daemonset

$ kubectl describe daemonset <name>

Show detailed daemonset information.

Rollout status daemonset

$ kubectl rollout status daemonset/<name>

Monitor daemonset rollout progress.

List persistent volumes

$ kubectl get pv

List all persistent volumes.

List persistent volume claims

$ kubectl get pvc

List all persistent volume claims.

Describe PVC

$ kubectl describe pvc <name>

Show detailed PVC information.

Get PV sorted by capacity

$ kubectl get pv --sort-by=.spec.capacity.storage

List persistent volumes sorted by size.

List storage classes

$ kubectl get storageclasses

List available storage classes.

List roles

$ kubectl get roles

List all roles in namespace.

List cluster roles

$ kubectl get clusterroles

List all cluster-wide roles.

List role bindings

$ kubectl get rolebindings

List all role bindings in namespace.

Create role

$ kubectl create role <name> --verb=get,list --resource=pods

Create a role with specific permissions.

Create role binding

$ kubectl create rolebinding <name> --role=<role> --serviceaccount=<ns>:<sa>

Bind a role to a service account.

Check permissions

$ kubectl auth can-i get pods

Check if you can perform an action.

Check permissions as user

$ kubectl auth can-i get pods --as=system:serviceaccount:ns:sa

Check permissions as another identity.

Who am I

$ kubectl auth whoami

Show current user/service account identity.

List service accounts

$ kubectl get serviceaccounts

List all service accounts in namespace.

Create service account

$ kubectl create serviceaccount <name>

Create a new service account.

List HPAs

$ kubectl get hpa

List all horizontal pod autoscalers.

Describe HPA

$ kubectl describe hpa <name>

Show detailed HPA information.

Create HPA

$ kubectl autoscale deployment/<name> --min=2 --max=10 --cpu-percent=80

Create autoscaler for a deployment.

Get events sorted by time

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

List cluster events sorted by most recent.

Get warning events only

$ kubectl get events --types=Warning

List only warning events.

Watch events

$ kubectl get events -w

Watch events in real-time.

Cluster info

$ kubectl cluster-info

Display cluster endpoint information.

Cluster info dump

$ kubectl cluster-info dump

Dump cluster state for debugging.

API resources

$ kubectl api-resources

List all available API resources.

Explain resource

$ kubectl explain pods.spec.containers

Get documentation for resource fields.

Proxy API server

$ kubectl proxy

Start proxy to Kubernetes API server.

Debug pod copy with modifications

$ kubectl debug <pod> --copy-to=<new-pod> --container=<name>

Create a copy of pod with modified container for debugging.

Debug node with privileged container

$ kubectl debug node/<node> -it --image=ubuntu

Debug a node by running privileged container on it.

Debug with target container

$ kubectl debug <pod> -it --image=busybox --target=<container>

Debug pod by targeting specific container's namespaces.

Watch cluster events (kubectl 1.32+)

$ kubectl events

View cluster events with improved output format.

Stream events in real-time

$ kubectl events --watch

Stream cluster events as they occur in real-time.

Filter warning events

$ kubectl get events --field-selector type=Warning

Show only warning-level events for troubleshooting.

Apply manifest

$ kubectl apply -f manifest.yaml

Create or update resources from file.

Apply directory of manifests

$ kubectl apply -f ./manifests/

Apply all manifests in a directory.

Apply from URL

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

Apply manifest directly from URL.

Dry run (client)

$ kubectl apply -f manifest.yaml --dry-run=client

Validate manifest without applying.

Dry run (server)

$ kubectl apply -f manifest.yaml --dry-run=server

Server-side validation without applying.

Diff manifest

$ kubectl diff -f manifest.yaml

Show what would change if applied.

Generate YAML from command

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

Generate YAML manifest from command.

Edit resource

$ kubectl edit deployment/<name>

Edit resource in default editor.

Patch resource

$ kubectl patch deployment <name> -p '{"spec":{"replicas":3}}'

Patch resource with JSON merge patch.

Delete from manifest

$ kubectl delete -f manifest.yaml

Delete resources defined in manifest.

Wait for pod condition

$ kubectl wait --for=condition=Ready pod/<name> --timeout=60s

Wait for specific condition to be met before proceeding.

Explain resource recursively

$ kubectl explain <resource> --recursive

Show complete resource schema documentation with all fields.

Apply with automatic pruning

$ kubectl apply --prune -l app=myapp --all

Apply manifests and automatically delete removed resources.

Force replace resource

$ kubectl replace --force -f <manifest>

Force replace resource by deleting and recreating it.

Add Helm repo

$ helm repo add <name> <url>

Add a Helm chart repository.

Update repos

$ helm repo update

Update Helm repository cache.

Search charts

$ helm search repo <keyword>

Search for charts in repositories.

Install chart

$ helm install <release> <chart>

Install a Helm chart.

Install with values

$ helm install <release> <chart> -f values.yaml

Install chart with custom values file.

Upgrade release

$ helm upgrade <release> <chart>

Upgrade a Helm release.

List releases

$ helm list

List installed Helm releases.

Uninstall release

$ helm uninstall <release>

Uninstall a Helm release.

Rollback release

$ helm rollback <release> <revision>

Rollback to a previous revision.

Show chart values

$ helm show values <chart>

Display chart's default values.

Template chart locally

$ helm template <release> <chart>

Render chart templates locally.

Discussion

Loading comments...

Kubernetes

Deploy, scale, and manage containerized applications. Master kubectl commands for pods, services, and cluster operations.

158 commands

Browse by Topic

Getting Started

Quick setup and installation

4commands

Context

Context management

9commands

Pods

Pod management commands

22commands

Deployments

Deployment operations

12commands

Services

Service management

9commands

Namespaces

Namespace operations

5commands

Secrets

Secret management

7commands

ConfigMaps

ConfigMap operations

5commands

Nodes

Node operations

11commands

Ingress

Ingress management

4commands

Jobs

Job and CronJob management

6commands

StatefulSets

StatefulSet operations

4commands

DaemonSets

DaemonSet operations

3commands

Storage

PV, PVC & storage classes

5commands

RBAC

Role-based access control

10commands

HPA

Horizontal Pod Autoscaler

3commands

Debugging

Events & debugging

14commands

Manifests

Apply & manage YAML

14commands

Helm

Helm package manager

11commands

Install kubectl (macOS)

$ brew install kubectl

Install kubectl CLI using Homebrew on macOS

Install kubectl (Linux)

$ curl -LO https://dl.k8s.io/release/$(curl -sL https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/

Install kubectl CLI on Linux using curl

Start local cluster with minikube

$ minikube start

Start a local Kubernetes cluster using minikube

Verify cluster connection

$ kubectl cluster-info

Display cluster info to verify kubectl is connected

Show current context

$ kubectl config current-context

Display the current kubectl context.

List all contexts

$ kubectl config get-contexts

List all available contexts.

Switch context

$ kubectl config use-context <context-name>

Switch to a different cluster context.

Set default namespace

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

Set default namespace for current context.

View kubeconfig

$ kubectl config view

Show merged kubeconfig settings.

View kubeconfig with secrets

$ kubectl config view --raw

Show kubeconfig with certificate data.

Get current namespace

$ kubectl config view --minify -o jsonpath='{..namespace}'

Show the current default namespace.

Delete context

$ kubectl config delete-context <context-name>

Remove a context from kubeconfig.

Rename context

$ kubectl config rename-context <old> <new>

Rename a context in kubeconfig.

List deployments

$ kubectl get deployments

List all deployments in namespace.

Describe deployment

$ kubectl describe deployment <name>

Show detailed deployment information.

Create deployment

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

Create a new deployment.

Scale deployment

$ kubectl scale deployment <name> --replicas=3

Scale deployment to specified replicas.

Update deployment image

$ kubectl set image deployment/<name> <container>=<image>:<tag>

Update container image in deployment.

Rollout status

$ kubectl rollout status deployment/<name>

Monitor deployment rollout progress.

Rollout history

$ kubectl rollout history deployment/<name>

View deployment revision history.

Rollback deployment

$ kubectl rollout undo deployment/<name>

Rollback to previous deployment version.

Rollback to specific revision

$ kubectl rollout undo deployment/<name> --to-revision=2

Rollback to a specific revision number.

Restart deployment

$ kubectl rollout restart deployment/<name>

Trigger a rolling restart of all pods.

Pause rollout

$ kubectl rollout pause deployment/<name>

Pause an ongoing deployment rollout.

Resume rollout

$ kubectl rollout resume deployment/<name>

Resume a paused deployment rollout.

List services

$ kubectl get services

List all services in namespace.

Describe service

$ kubectl describe service <name>

Show detailed service information.

Create ClusterIP service

$ kubectl create service clusterip <name> --tcp=80:8080

Create internal ClusterIP service.

Create NodePort service

$ kubectl create service nodeport <name> --tcp=80:8080

Create NodePort service for external access.

Create LoadBalancer service

$ kubectl create service loadbalancer <name> --tcp=80:8080

Create LoadBalancer service.

Expose deployment

$ kubectl expose deployment <name> --port=80 --target-port=8080

Create service to expose a deployment.

Get service endpoints

$ kubectl get endpoints <service>

Show pod IPs backing a service.

Port forward to pod

$ kubectl port-forward pod/<pod> 8080:80

Forward local port to pod port.

Port forward to service

$ kubectl port-forward svc/<service> 8080:80

Forward local port to service port.

List namespaces

$ kubectl get namespaces

List all namespaces.

Create namespace

$ kubectl create namespace <name>

Create a new namespace.

Describe namespace

$ kubectl describe namespace <name>

Show namespace details and resource quotas.

Delete namespace

$ kubectl delete namespace <name>

Delete namespace and all its resources.

Get resources in namespace

$ kubectl get all -n <namespace>

List all resources in a namespace.

List secrets

$ kubectl get secrets

List all secrets in namespace.

Create secret from literal

$ kubectl create secret generic <name> --from-literal=key=value

Create secret with key-value pair.

Create secret from file

$ kubectl create secret generic <name> --from-file=./secret.txt

Create secret from file contents.

Create TLS secret

$ kubectl create secret tls <name> --cert=cert.crt --key=key.key

Create TLS secret from certificate files.

Create Docker registry secret

$ kubectl create secret docker-registry <name> --docker-server=<server> --docker-username=<user> --docker-password=<pass>

Create secret for Docker registry auth.

Decode secret value

$ kubectl get secret <name> -o jsonpath='{.data.key}' | base64 -d

Decode and display secret value.

Decode all secrets

$ kubectl get secret <name> -o go-template='{{range $k,$v := .data}}{{$k}}: {{$v|base64decode}}{{"\n"}}{{end}}'

Decode and display all secret values.

List configmaps

$ kubectl get configmaps

List all configmaps in namespace.

Create configmap from literal

$ kubectl create configmap <name> --from-literal=key=value

Create configmap with key-value pair.

Create configmap from file

$ kubectl create configmap <name> --from-file=config.yaml

Create configmap from a file.

Create configmap from directory

$ kubectl create configmap <name> --from-file=./config/

Create configmap from directory of files.

Get configmap data

$ kubectl get configmap <name> -o yaml

View configmap contents as YAML.

List nodes

$ kubectl get nodes

List all cluster nodes.

Get nodes with details

$ kubectl get nodes -o wide

List nodes with IP and version info.

Describe node

$ kubectl describe node <node-name>

Show detailed node information.

Node resource usage

$ kubectl top nodes

Show CPU and memory usage per node.

Cordon node

$ kubectl cordon <node-name>

Mark node as unschedulable.

Uncordon node

$ kubectl uncordon <node-name>

Mark node as schedulable again.

Drain node

$ kubectl drain <node> --ignore-daemonsets --delete-emptydir-data

Safely evict pods before maintenance.

Label node

$ kubectl label nodes <node-name> key=value

Add label to a node.

Taint node

$ kubectl taint nodes <node-name> key=value:NoSchedule

Add taint to node to repel pods.

Remove taint from node

$ kubectl taint nodes <node-name> key:NoSchedule-

Remove taint from a node.

Get worker nodes only

$ kubectl get nodes --selector='!node-role.kubernetes.io/control-plane'

List only worker nodes (exclude control plane).

List ingresses

$ kubectl get ingress

List all ingress resources.

Describe ingress

$ kubectl describe ingress <name>

Show detailed ingress configuration.

Create ingress

$ kubectl create ingress <name> --rule='host/path=service:port'

Create an ingress rule.

Get ingress with class

$ kubectl get ingress -o custom-columns='NAME:.metadata.name,CLASS:.spec.ingressClassName'

List ingresses with their ingress class.

List jobs

$ kubectl get jobs

List all jobs in namespace.

Create job

$ kubectl create job <name> --image=<image> -- <command>

Create a job from command.

Get job logs

$ kubectl logs job/<name>

View logs from a job.

List cronjobs

$ kubectl get cronjobs

List all cronjobs.

Create cronjob

$ kubectl create cronjob <name> --image=<image> --schedule='*/5 * * * *' -- <command>

Create a scheduled cronjob.

Trigger cronjob manually

$ kubectl create job --from=cronjob/<name> <job-name>

Create a job from cronjob template.

List statefulsets

$ kubectl get statefulsets

List all statefulsets.

Describe statefulset

$ kubectl describe statefulset <name>

Show detailed statefulset information.

Scale statefulset

$ kubectl scale statefulset/<name> --replicas=3

Scale statefulset to specified replicas.

Rollout status statefulset

$ kubectl rollout status statefulset/<name>

Monitor statefulset rollout progress.

List daemonsets

$ kubectl get daemonsets

List all daemonsets.

Describe daemonset

$ kubectl describe daemonset <name>

Show detailed daemonset information.

Rollout status daemonset

$ kubectl rollout status daemonset/<name>

Monitor daemonset rollout progress.

List persistent volumes

$ kubectl get pv

List all persistent volumes.

List persistent volume claims

$ kubectl get pvc

List all persistent volume claims.

Describe PVC

$ kubectl describe pvc <name>

Show detailed PVC information.

Get PV sorted by capacity

$ kubectl get pv --sort-by=.spec.capacity.storage

List persistent volumes sorted by size.

List storage classes

$ kubectl get storageclasses

List available storage classes.

List roles

$ kubectl get roles

List all roles in namespace.

List cluster roles

$ kubectl get clusterroles

List all cluster-wide roles.

List role bindings

$ kubectl get rolebindings

List all role bindings in namespace.

Create role

$ kubectl create role <name> --verb=get,list --resource=pods

Create a role with specific permissions.

Create role binding

$ kubectl create rolebinding <name> --role=<role> --serviceaccount=<ns>:<sa>

Bind a role to a service account.

Check permissions

$ kubectl auth can-i get pods

Check if you can perform an action.

Check permissions as user

$ kubectl auth can-i get pods --as=system:serviceaccount:ns:sa

Check permissions as another identity.

Who am I

$ kubectl auth whoami

Show current user/service account identity.

List service accounts

$ kubectl get serviceaccounts

List all service accounts in namespace.

Create service account

$ kubectl create serviceaccount <name>

Create a new service account.

List HPAs

$ kubectl get hpa

List all horizontal pod autoscalers.

Describe HPA

$ kubectl describe hpa <name>

Show detailed HPA information.

Create HPA

$ kubectl autoscale deployment/<name> --min=2 --max=10 --cpu-percent=80

Create autoscaler for a deployment.

Get events sorted by time

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

List cluster events sorted by most recent.

Get warning events only

$ kubectl get events --types=Warning

List only warning events.

Watch events

$ kubectl get events -w

Watch events in real-time.

Cluster info

$ kubectl cluster-info

Display cluster endpoint information.

Cluster info dump

$ kubectl cluster-info dump

Dump cluster state for debugging.

API resources

$ kubectl api-resources

List all available API resources.

Explain resource

$ kubectl explain pods.spec.containers

Get documentation for resource fields.

Proxy API server

$ kubectl proxy

Start proxy to Kubernetes API server.

Debug pod copy with modifications

$ kubectl debug <pod> --copy-to=<new-pod> --container=<name>

Create a copy of pod with modified container for debugging.

Debug node with privileged container

$ kubectl debug node/<node> -it --image=ubuntu

Debug a node by running privileged container on it.

Debug with target container

$ kubectl debug <pod> -it --image=busybox --target=<container>

Debug pod by targeting specific container's namespaces.

Watch cluster events (kubectl 1.32+)

$ kubectl events

View cluster events with improved output format.

Stream events in real-time

$ kubectl events --watch

Stream cluster events as they occur in real-time.

Filter warning events

$ kubectl get events --field-selector type=Warning

Show only warning-level events for troubleshooting.

Apply manifest

$ kubectl apply -f manifest.yaml

Create or update resources from file.

Apply directory of manifests

$ kubectl apply -f ./manifests/

Apply all manifests in a directory.

Apply from URL

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

Apply manifest directly from URL.

Dry run (client)

$ kubectl apply -f manifest.yaml --dry-run=client

Validate manifest without applying.

Dry run (server)

$ kubectl apply -f manifest.yaml --dry-run=server

Server-side validation without applying.

Diff manifest

$ kubectl diff -f manifest.yaml

Show what would change if applied.

Generate YAML from command

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

Generate YAML manifest from command.

Edit resource

$ kubectl edit deployment/<name>

Edit resource in default editor.

Patch resource

$ kubectl patch deployment <name> -p '{"spec":{"replicas":3}}'

Patch resource with JSON merge patch.

Delete from manifest

$ kubectl delete -f manifest.yaml

Delete resources defined in manifest.

Wait for pod condition

$ kubectl wait --for=condition=Ready pod/<name> --timeout=60s

Wait for specific condition to be met before proceeding.

Explain resource recursively

$ kubectl explain <resource> --recursive

Show complete resource schema documentation with all fields.

Apply with automatic pruning

$ kubectl apply --prune -l app=myapp --all

Apply manifests and automatically delete removed resources.

Force replace resource

$ kubectl replace --force -f <manifest>

Force replace resource by deleting and recreating it.

Add Helm repo

$ helm repo add <name> <url>

Add a Helm chart repository.

Update repos

$ helm repo update

Update Helm repository cache.

Search charts

$ helm search repo <keyword>

Search for charts in repositories.

Install chart

$ helm install <release> <chart>

Install a Helm chart.

Install with values

$ helm install <release> <chart> -f values.yaml

Install chart with custom values file.

Upgrade release

$ helm upgrade <release> <chart>

Upgrade a Helm release.

List releases

$ helm list

List installed Helm releases.

Uninstall release

$ helm uninstall <release>

Uninstall a Helm release.

Rollback release

$ helm rollback <release> <revision>

Rollback to a previous revision.

Show chart values

$ helm show values <chart>

Display chart's default values.

Template chart locally

$ helm template <release> <chart>

Render chart templates locally.

Discussion

Loading comments...