$ geth --datadir .ethereum/privatenet/ --networkid 786 --rpc --rpcapi 'web3,net,eth,debug' --rpcport 8001 --rpccorsdomain 'http://localhost:7777'
$ geth attach ipc: ~/etherprivate/geth.ipc  
$ ./geth --datadir ~/etherprivate/ --networkid 786 --rpc -rpcapi 'web3,eth,debug,personal'  --rpccorsdomain '*' 
$ ./geth attach ipc:/Users/drequinox/etherprivate/geth.ipc  
> personal.listAccounts[0]
> personal.unlockAccount(personal.listAccounts[0]) 
> Miner.start(1)  
> eth.getBalance(valuechecker.address) 
> valuechecker.transactionHash 
> valuechecker.abi 
> valuechecker.Matcher.call(12)
> valuechecker.Matcher.call(10)
> valuechecker.Matcher.call(9)
$ curl --request POST --data '{"jsonrpc":"2.0","method":"personal_listAccounts","params": [],"id":4}' localhost:8545 -H "Content-Type: application/json"
$ npm install web3 
$ python -m SimpleHTTPServer 7777
$ mkdir testdapp 
$ truffle init
$ tree
$ truffle unbox webpack 
$ cat truffle.js  
 $ truffle compile
$ truffle test 
 $ truffle migrate  
$ npm run dev 
$ truffle console
truffle(development)> MetaCoin.address 
truffle(development)> web3.eth.accounts[0] 
truffle(development)> MetaCoin.web3.eth.getBalance(web3.eth.accounts[0]) 
$ mkdir simplecontract 
 $ cd simplecontract  
$ truffle init 
$ truffle console  
truffle(development)> Addition.address 
~$ mkdir ideapatent
~$ cd ideapatent/ 
~/ideapatent$ truffle init
truffle compile
$ truffle migrate 
$ truffle console 
>PatentIdea.deployed().then(function(instance){app = instance})
truffle(development)>
>truffle(development)> app.SaveIdeaHash("hello1")  
> personal.unlockAccount(web3.eth.coinbase, "Password123", 15000)
truffle(development)> app.isAlreadyHashed("hello1");  
truffle(development)> app.isAlreadyHashed("hello3");
$ curl https://dist.ipfs.io/go-ipfs/v0.4.4/go- ipfs_v0.4.4_linux-amd64.tar.gz -O 
$ tar xvfz go-ipfs_v0.4.4_linux-amd64.tar.gz 
$ mv go-ipfs/ipfs /usr/local/bin/ipfs 
$ ipfs init initializing ipfs node at /home/imran/.ipfs 
ipfs cat 
/ipfs/QmYwAPJzv5CZsnA625s3Xf2nemtYgPpHdWEz79ojWnPbdG/readme 
$ ipfs daemon  
~/sampleproject/build$ ipfs add --recursive --progress. added QmVdYdY1uycf32e8NhMVEWSufMyvcj17w3DkUt6BgeAtx7 build/app.css 
$ ipfs pin add QmSxpucr6J9rX3XQ3MBG8cVzLCrQFFKmMkTmpcNpjbtf3j