Linux下安装nvm下载并管理node

1. 安装nvm
   1.1 执行以下命令
   curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.0/install.sh | bash
   或者
   wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.0/install.sh | bash
   1.2 执行source ~/.bashrc

2. 更换nvm源为淘宝镜像,执行以下命令
   export NVM_NODEJS_ORG_MIRROR=http://npm.taobao.org/mirrors/node
export NVM_IOJS_ORG_MIRROR=http://npm.taobao.org/mirrors/iojs
source ~/.bashrc

测试版本为centos7.2，更多配置详见nvm-sh