Update cURL example for cURL 7.40 differences
cURL 7.50 changed the validation for URL's when using socket connections. cURL 7.4x did not expect a hostname, whereas cURL 7.5x and above _requires_ a hostname. See https://github.com/curl/curl/issues/936 This updates the example to take both versions into account, because cURL 7.4x is still widely used by distros. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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@ -33,7 +33,17 @@ later, as these versions have the `--unix-socket` flag available. To
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run `curl` against the daemon on the default socket, use the
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following:
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curl --unix-socket /var/run/docker.sock http://localhost/containers/json
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When using cUrl 7.50 or later:
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```console
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$ curl --unix-socket /var/run/docker.sock http://localhost/containers/json
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```
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When using cURL 7.40, `localhost` must be omitted:
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```console
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$ curl --unix-socket /var/run/docker.sock http://containers/json
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```
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If you have bound the Docker daemon to a different socket path or TCP
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port, you would reference that in your cURL rather than the
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