nohup node server.js &
"I wanted to add that the accepted answer is really the way to go. I‘m using forever on instances that need to stay up. I like to do npm install -g forever so it‘s in the node path and then just do forever start server.js"
refer to http://stackoverflow.com/questions/4018154/node-js-as-a-background-service
原文：http://www.cnblogs.com/goldengallo/p/6587862.html