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Change `chmod +X` to `chmod +x`, since `+X` does not take affect when there is no execute permission bit already set (either user, group or other). ```console # ls -l /usr/bin/kubectl -rw-r--r-- 1 root root 14190181 Aug 10 16:16 /usr/bin/kubectl # chmod +X /usr/bin/kubectl # ls -l /usr/bin/kubectl -rw-r--r-- 1 root root 14190181 Aug 10 16:16 /usr/bin/kubectl ``` Please refer to [chmod](https://en.wikipedia.org/wiki/Chmod "chmod") for more details. >which is not a permission in itself but rather can be used instead of x. It applies execute permissions to directories regardless of their current permissions and **applies execute permissions to a file which already has at least one execute permission bit already set (either user, group or other)**. It is only really useful when used with '+' and usually in combination with the -R option for giving group or other access to a big directory tree without setting execute permission on normal files (such as text files), which would normally happen if you just used "chmod -R a+rx .", whereas with 'X' you can do "chmod -R a+rX ." instead
PLEASE NOTE: This document applies to the HEAD of the source tree
If you are using a released version of Kubernetes, you should refer to the docs that go with that version.
The latest 1.0.x release of this document can be found [here](http://releases.k8s.io/release-1.0/docs/README.md).Documentation for other releases can be found at releases.k8s.io.
Kubernetes Documentation: releases.k8s.io/HEAD
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The User's guide is for anyone who wants to run programs and services on an existing Kubernetes cluster.
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The Cluster Admin's guide is for anyone setting up a Kubernetes cluster or administering it.
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The Developer guide is for anyone wanting to write programs that access the Kubernetes API, write plugins or extensions, or modify the core code of Kubernetes.
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The Kubectl Command Line Interface is a detailed reference on the
kubectlCLI. -
The API object documentation is a detailed description of all fields found in core API objects.
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An overview of the Design of Kubernetes
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There are example files and walkthroughs in the examples folder.
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If something went wrong, see the troubleshooting document for how to debug. You should also check the known issues for the release you're using.
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To report a security issue, see Reporting a Security Issue.