Install the Truffle framework

We will use the Truffle framework to issue tokens. Truffle is Ethereum’s Smart Contract Development Framework, which has functions such as compiling, linking, deploying, and binary management.

[vagrant@localhost crypto]$ npm -v
1.3.6

First of all, we will install Truffle.

[vagrant@localhost crypto]$ npm install -g truffle
npm http GET https://registry.npmjs.org/truffle
npm http GET https://registry.npmjs.org/truffle
npm http GET https://registry.npmjs.org/truffle
npm ERR! Error: CERT_UNTRUSTED
npm ERR!     at SecurePair. (tls.js:1430:32)
npm ERR!     at SecurePair.emit (events.js:92:17)
npm ERR!     at SecurePair.maybeInitFinished (tls.js:1029:10)
npm ERR!     at CleartextStream.read [as _read] (tls.js:521:13)
npm ERR!     at CleartextStream.Readable.read (_stream_readable.js:341:10)
npm ERR!     at EncryptedStream.write [as _write] (tls.js:418:25)
npm ERR!     at doWrite (_stream_writable.js:226:10)
npm ERR!     at writeOrBuffer (_stream_writable.js:216:5)
npm ERR!     at EncryptedStream.Writable.write (_stream_writable.js:183:11)
npm ERR!     at write (_stream_readable.js:602:24)
npm ERR! If you need help, you may report this log at:
npm ERR!     
npm ERR! or email it to:
npm ERR!     

npm ERR! System Linux 2.6.32-754.3.5.el6.x86_64
npm ERR! command "node" "/usr/bin/npm" "install" "-g" "truffle"
npm ERR! cwd /home/vagrant/local/crypto
npm ERR! node -v v0.10.48
npm ERR! npm -v 1.3.6
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR!     /home/vagrant/local/crypto/npm-debug.log
npm ERR! not ok code 0

what!?