腾讯云服务器配置node环境

sudo apt-get update

sudo apt-get install vim openssl build-essential libssl-dev wget curl

curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.9/install.sh | bash
或者
wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.33.9/install.sh | bash
//安装结束，重新打开一个命令行窗口，输入nvm，查看nvm的命令
nvm

nvm install v8.11.1
nvm use v8.11.1
nvm alias default v8.11.1
node -v
npm -v
配置淘宝镜像
npm install -g cnpm --registry=https://registry.npm.taobao.org

sudo vi app.js

const http = require(‘http‘)

http.createServer(function(req, res){
    res.writeHead(200, {‘Content-Type‘: ‘text/plain‘})
    res.end(‘hello world‘)
}).listen(8081)

console.log(‘server runing on http://139.199.184.174:8081‘)

// 保存启动app.js
Esc => shift + : => wq => enter

node app.js 

  打开139.199.184.174:8081即可正常访问