Cannot install NodeJs: /usr/bin/env: node: No such file or directory

安装doxmate时，doxmate地址是：https://github.com/JacksonTian/doxmate
npm install doxmate -g

安装完后把错误：Cannot install NodeJs: /usr/bin/env: node: No such file or directory

解决方法：
ln -s /usr/bin/nodejs /usr/bin/node
或者sudo apt-get install nodejs-legacy

地址是：http://stackoverflow.com/questions/26320901/cannot-install-nodejs-usr-bin-env-node-no-such-file-or-directory