方法1、执行npm dedupe
方法2、ubuntu
echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
archlinux
add fs.inotify.max_user_watches=524288 to /etc/sysctl.d/99-sysctl.conf and then execute sysctl --system
Grunt Error in linux: Running "watch" task Waiting...Warning: watch ENOSPC
原文：http://www.cnblogs.com/ekaiser/p/4056529.html