Moving docs from /vX to /docs; we will use branches for old versions.
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layout: docwithnav
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title: "kubectl patch"
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---
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<!-- BEGIN MUNGE: UNVERSIONED_WARNING -->
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<!-- END MUNGE: UNVERSIONED_WARNING -->
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## kubectl patch
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Update field(s) of a resource by stdin.
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### Synopsis
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Update field(s) of a resource using strategic merge patch
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JSON and YAML formats are accepted.
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Please refer to the models in http://kubernetes.io/v1.1/docs/api-reference/v1/definitions.html to find if a field is mutable.
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```
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{% raw %}
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kubectl patch (-f FILENAME | TYPE NAME) -p PATCH
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{% endraw %}
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```
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### Examples
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```
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{% raw %}
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# Partially update a node using strategic merge patch
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kubectl patch node k8s-node-1 -p '{"spec":{"unschedulable":true}}'
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# Partially update a node identified by the type and name specified in "node.json" using strategic merge patch
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kubectl patch -f node.json -p '{"spec":{"unschedulable":true}}'
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# Update a container's image; spec.containers[*].name is required because it's a merge key
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kubectl patch pod valid-pod -p '{"spec":{"containers":[{"name":"kubernetes-serve-hostname","image":"new image"}]}}'
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{% endraw %}
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```
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### Options
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```
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{% raw %}
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-f, --filename=[]: Filename, directory, or URL to a file identifying the resource to update
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-o, --output="": Output mode. Use "-o name" for shorter output (resource/name).
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-p, --patch="": The patch to be applied to the resource JSON file.
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{% endraw %}
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```
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### Options inherited from parent commands
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```
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{% raw %}
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--alsologtostderr[=false]: log to standard error as well as files
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--api-version="": The API version to use when talking to the server
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--certificate-authority="": Path to a cert. file for the certificate authority.
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--client-certificate="": Path to a client key file for TLS.
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--client-key="": Path to a client key file for TLS.
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--cluster="": The name of the kubeconfig cluster to use
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--context="": The name of the kubeconfig context to use
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--insecure-skip-tls-verify[=false]: If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure.
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--kubeconfig="": Path to the kubeconfig file to use for CLI requests.
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--log-backtrace-at=:0: when logging hits line file:N, emit a stack trace
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--log-dir="": If non-empty, write log files in this directory
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--log-flush-frequency=5s: Maximum number of seconds between log flushes
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--logtostderr[=true]: log to standard error instead of files
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--match-server-version[=false]: Require server version to match client version
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--namespace="": If present, the namespace scope for this CLI request.
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--password="": Password for basic authentication to the API server.
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-s, --server="": The address and port of the Kubernetes API server
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--stderrthreshold=2: logs at or above this threshold go to stderr
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--token="": Bearer token for authentication to the API server.
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--user="": The name of the kubeconfig user to use
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--username="": Username for basic authentication to the API server.
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--v=0: log level for V logs
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--vmodule=: comma-separated list of pattern=N settings for file-filtered logging
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{% endraw %}
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```
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### SEE ALSO
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* [kubectl](kubectl.html) - kubectl controls the Kubernetes cluster manager
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###### Auto generated by spf13/cobra at 2015-11-27 14:20:04.942303171 +0000 UTC
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[]()
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