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Troubleshooting: Fatal error: watch ENOSPC on grunt watch


The Problem

When running your nodejs application, if you have a file watcher, like grunt watch or webpack watch, sometimes you may get the following error message

Fatal error: watch ENOSPC

The reason is that there are probably too many files being watched by your user.

The Resolution

echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p


Ryan Sukale

Ryan is just a regular guy next door trying to manage his life and finances.

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