kubectl exec [page]deterministic
Execute a command in a container
##
Execute a command in a container.
``` kubectl exec (POD | TYPE/NAME) [-c CONTAINER] [flags] -- COMMAND [args...] ```
##
``` # 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 ```
##
<table style="width: 100%; table-layout: fixed;"> <colgroup> <col span="1" style="width: 10px;" /> <col span="1" /> </colgroup> <tbody>
<tr> <td colspan="2">-c, --container string</td> </tr> <tr> <td></td><td style="line-height: 130%; word-wrap: break-word;"><p>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</p></td> </tr>
<tr> <td colspan="2">-f, --filename strings</td> </tr> <tr> <td></td><td style="line-height: 130%; word-wrap: break-word;"><p>to use to exec into the resource</p></td> </tr>
<tr> <td colspan="2">-h, --help</td> </tr> <tr> <td></td><td style="line-height: 130%; word-wrap: break-word;"><p>help for exec</p></td> </tr>
<tr> <td colspan="2">--pod-running-timeout duration Default: 1m0s</td> </tr> <tr> <td></td><td style="line-height: 130%; word-wrap: break-word;"><p>The length of time (like 5s, 2m, or 3h, higher than zero) to wait until at least one pod is running</p></td> </tr>
<tr> <td colspan="2">-q, --quiet</td> </tr> <tr> <td></td><td style="line-height: 130%; word-wrap: break-word;"><p>Only print output from the remote session</p></td> </tr>
<tr> <td colspan="2">-i, --stdin</td> </tr> <tr> <td></td><td style="line-height: 130%; word-wrap: break-word;"><p>Pass stdin to the container</p></td> </tr>
<tr> <td colspan="2">-t, --tty</td> </tr> <tr> <td></td><td style="line-height: 130%; word-wrap: break-word;"><p>Stdin is a TTY</p></td> </tr>
</tbody> </table>
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<table style="width: 100%; table-layout: fixed;"> <colgroup> <col span="1" style="width: 10px;" /> <col span="1" /> </colgroup> <tbody>
<tr> <td colspan="2">--as string</td> </tr> <tr> <td></td><td style="line-height: 130%; word-wrap: break-word;"><p>Username to impersonate for the operation. User could be a regular user or a service account in a namespace.</p></td> </tr>
<tr> <td colspan="2">--as-group strings</td> </tr> <tr> <td></td><td style="line-height: 130%; word-wrap: break-word;"><p>Group to impersonate for the operation, this flag can be repeated to specify multiple groups.</p></td> </tr>
<tr> <td colspan="2">--as-uid string</td> </tr> <tr> <td></td><td style="line-height: 130%; word-wrap: break-word;"><p>UID to impersonate for the operation.</p></td> </tr>
<tr> <td colspan="2">--as-user-extra strings</td> </tr> <tr> <td></td><td style="line-height: 130%; word-wrap: break-word;"><p>User extras to impersonate for the operation, this flag can be repeated to specify mul …(trimmed)