https://www.digitalocean.com/community/tutorials/how-to-install-node-js-on-ubuntu-16-04 https://medium.com/@mvmurthy/full-stack-hello-world-voting-ethereum-dapp-tutorial-part-1-40d2d0d807c2
node_modules/.bin/testrpc -h 0.0.0.0
node
Web3 = require('web3')
web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545"));
web3.eth.accounts
code = fs.readFileSync('Voting.sol').toString()
contract = web3.eth.compile.solidity(code)
VotingContract = web3.eth.contract(contract.info.abiDefinition)
deployedContract = VotingContract.new(['Rama','Nick','Jose'],{data: contract.code, from: web3.eth.accounts[0], gas: 4700000})
contractInstance = VotingContract.at(deployedContract.address)
contractInstance.totalVotesFor.call('Rama')
contractInstance.voteForCandidate('Rama', {from: web3.eth.accounts[0]})
contractInstance.voteForCandidate('Rama', {from: web3.eth.accounts[0]})
contractInstance.voteForCandidate('Rama', {from: web3.eth.accounts[0]})
contractInstance.totalVotesFor.call('Rama').toLocaleString()
setup 2
sudo npm install -g truffle
mkdir voting && cd voting
sudo npm install -g webpack