Kubectl apply

kubectl apply apply a configuration to a resource by filename or stdin

kubectl apply --help

• kubectl apply -f https://k8s.io/examples/pods/storage/redis.yaml

• kubectl apply -f myredis.yaml

• kubectl apply -f ./secret.yaml

• kubectl apply -k

• kubectl apply --dry-run=server
• kubectl apply --server-side

• Dashboard:

kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.4.0/aio/deploy/recommended.yaml

• Istio install: kubectl apply -f samples/bookinfo/platform/kube/bookinfo.yaml

kubectl apply -f https://k8s.io/examples/application/mysql/mysql-pv.yaml
persistentvolume/mysql-pv-volume created
persistentvolumeclaim/mysql-pv-claim created

kubectl apply -f ./file.yaml
Error from server (InternalError): error when creating "./file.yaml": Internal error occurred: failed calling webhook "virtualmachines- mutator.kubevirt.io": Post https://virt-api.kubevirt.svc:443/virtualmachines-mutate?timeout=30s: service "virt-api" not found

Activities

• CKA v1.15, CKA v1.21: Create and configure a basic Pod (kubectl apply)

Errors

Cannot unmarshal XXXXX into Go struct field

Related commands

• kubectl create
• kubectl edit
• kubectl run
• kubectl get
• kubectl apply --server-side
• kubectl delete

See also

• kubectl apply, --server-side, -k, -f, creationTimestamp, kubectl.kubernetes.io/last-applied-configuration, --validate=false

https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#apply