node/npm 相关

ubuntu 16.04安装node 8

参考：
https://www.digitalocean.com/community/tutorials/how-to-install-node-js-on-ubuntu-16-04

curl -sL https://deb.nodesource.com/setup_8.x -o nodesource_setup.sh
sudo bash nodesource_setup.sh
# 注意删除掉/etc/apt/sources.list 中的多余项，以免造成错误
sudo apt-get install -y nodejs

node/npm设置代理

参考：
https://jjasonclark.com/how-to-setup-node-behind-web-proxy/

npm config set https-proxy http://192.168.170.1:1087
npm config set proxy http://192.168.170.1:1087