---
description: Solutions to typical problems on development
---

# FAQ

## Ubuntu related question

### Cannot start new app due to watch error (Error: watch ... ENOSPC)

The solution is to increase the limit of inotify watchers ([https://stackoverflow.com/questions/22475849/node-js-what-is-enospc-error-and-how-to-solve/32600959#32600959](https://stackoverflow.com/questions/22475849/node-js-what-is-enospc-error-and-how-to-solve/32600959#32600959), technical details: [https://github.com/guard/listen/wiki/Increasing-the-amount-of-inotify-watchers#the-technical-details](https://github.com/guard/listen/wiki/Increasing-the-amount-of-inotify-watchers#the-technical-details)):

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