SSH to transaction node (see SSH-TO-FIRST-TX-NODE-REGION1 in deployment output at microsoft-azure-blockchain.azure-blockchain-ether-[DATE]). Then:
$ curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash -
$ sudo apt-get install -y nodejs
$ sudo npm install -g grunt-cli
$ sudo npm install -g bower
$ git clone https://github.com/cubedro/eth-netstats
$ cd eth-netstats
$ npm install