Check this link:
http://help.blynk.cc/hardware-and-libraries/node-js/how-to-install-nodejs-library-on-linux
And if you are using Local Server here is my rundown of the install and setup of the RPi Client using Local Server.
Check this link:
http://help.blynk.cc/hardware-and-libraries/node-js/how-to-install-nodejs-library-on-linux
And if you are using Local Server here is my rundown of the install and setup of the RPi Client using Local Server.