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https://github.com/ncclient/ncclient

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sudo apt-get install libxml2-dev  libxslt1-dev

sudo apt-get install build-essential libssl-dev libffi-dev python-dev

sudo pip install ncclient

Successfully built cryptography
Installing collected packages: cryptography, bcrypt, paramiko, ncclient
Successfully installed bcrypt-3.1.3 cryptography-1.9 ncclient-0.5.3 paramiko-2.2.1