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File: //lib/python3/dist-packages/awscli/examples/emr/socks.rst
The following command opens a socks connection with the master instance in a cluster with the cluster ID ``j-3SD91U2E1L2QX``::

  aws emr socks --cluster-id j-3SD91U2E1L2QX --key-pair-file ~/.ssh/mykey.pem

The key pair file option takes a local path to a private key file.