kubectl exec
Synopsis
Execute a command in a container.
kubectl exec (POD | TYPE/NAME) [-c CONTAINER] [flags] -- COMMAND [args...]
Examples
# Get output from running the 'date' command from pod mypod, using the first container by default
kubectl exec mypod -- date
# Get output from running the 'date' command in ruby-container from pod mypod
kubectl exec mypod -c ruby-container -- date
# Switch to raw terminal mode; sends stdin to 'bash' in ruby-container from pod mypod
# and sends stdout/stderr from 'bash' back to the client
kubectl exec mypod -c ruby-container -i -t -- bash -il
# List contents of /usr from the first container of pod mypod and sort by modification time
# If the command you want to execute in the pod has any flags in common (e.g. -i),
# you must use two dashes (--) to separate your command's flags/arguments
# Also note, do not surround your command and its flags/arguments with quotes
# unless that is how you would execute it normally (i.e., do ls -t /usr, not "ls -t /usr")
kubectl exec mypod -i -t -- ls -t /usr
# Get output from running 'date' command from the first pod of the deployment mydeployment, using the first container by default
kubectl exec deploy/mydeployment -- date
# Get output from running 'date' command from the first pod of the service myservice, using the first container by default
kubectl exec svc/myservice -- date
Options
-c, --container string | |
Container name. If omitted, use the kubectl.kubernetes.io/default-container annotation for selecting the container to be attached or the first container in the pod will be chosen | |
-f, --filename strings | |
to use to exec into the resource | |
-h, --help | |
help for exec | |
--pod-running-timeout duration Default: 1m0s | |
The length of time (like 5s, 2m, or 3h, higher than zero) to wait until at least one pod is running | |
-q, --quiet | |
Only print output from the remote session | |
-i, --stdin | |
Pass stdin to the container | |
-t, --tty | |
Stdin is a TTY |
--as string | |
Username to impersonate for the operation. User could be a regular user or a service account in a namespace. | |
--as-group strings | |
Group to impersonate for the operation, this flag can be repeated to specify multiple groups. | |
--as-uid string | |
UID to impersonate for the operation. | |
--cache-dir string Default: "$HOME/.kube/cache" | |
Default cache directory | |
--certificate-authority string | |
Path to a cert file for the certificate authority | |
--client-certificate string | |
Path to a client certificate file for TLS | |
--client-key string | |
Path to a client key file for TLS | |
--cluster string | |
The name of the kubeconfig cluster to use | |
--context string | |
The name of the kubeconfig context to use | |
--default-not-ready-toleration-seconds int Default: 300 | |
Indicates the tolerationSeconds of the toleration for notReady:NoExecute that is added by default to every pod that does not already have such a toleration. | |
--default-unreachable-toleration-seconds int Default: 300 | |
Indicates the tolerationSeconds of the toleration for unreachable:NoExecute that is added by default to every pod that does not already have such a toleration. | |
--disable-compression | |
If true, opt-out of response compression for all requests to the server | |
--insecure-skip-tls-verify | |
If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure | |
--kubeconfig string | |
Path to the kubeconfig file to use for CLI requests. | |
--match-server-version | |
Require server version to match client version | |
-n, --namespace string | |
If present, the namespace scope for this CLI request | |
--password string | |
Password for basic authentication to the API server | |
--profile string Default: "none" | |
Name of profile to capture. One of (none|cpu|heap|goroutine|threadcreate|block|mutex) | |
--profile-output string Default: "profile.pprof" | |
Name of the file to write the profile to | |
--request-timeout string Default: "0" | |
The length of time to wait before giving up on a single server request. Non-zero values should contain a corresponding time unit (e.g. 1s, 2m, 3h). A value of zero means don't timeout requests. | |
-s, --server string | |
The address and port of the Kubernetes API server | |
--storage-driver-buffer-duration duration Default: 1m0s | |
Writes in the storage driver will be buffered for this duration, and committed to the non memory backends as a single transaction | |
--storage-driver-db string Default: "cadvisor" | |
database name | |
--storage-driver-host string Default: "localhost:8086" | |
database host:port | |
--storage-driver-password string Default: "root" | |
database password | |
--storage-driver-secure | |
use secure connection with database | |
--storage-driver-table string Default: "stats" | |
table name | |
--storage-driver-user string Default: "root" | |
database username | |
--tls-server-name string | |
Server name to use for server certificate validation. If it is not provided, the hostname used to contact the server is used | |
--token string | |
Bearer token for authentication to the API server | |
--user string | |
The name of the kubeconfig user to use | |
--username string | |
Username for basic authentication to the API server | |
--version version[=true] | |
--version, --version=raw prints version information and quits; --version=vX.Y.Z... sets the reported version | |
--warnings-as-errors | |
Treat warnings received from the server as errors and exit with a non-zero exit code |
See Also
- kubectl - kubectl controls the Kubernetes cluster manager
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