# 清理 tmp 文件夹后出现错误

**URL:** https://meta.discourse.org/t/error-after-cleaning-tmp-folder/95205
**Category:** Development
**Created:** [2018年八月20日 15:52 UTC](https://meta.discourse.org/t/error-after-cleaning-tmp-folder/95205 "2018-08-20T15:52:46Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![bekircem](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/bekircem/32/44582_2.png) [@bekircem](https://meta.discourse.org/u/bekircem)
#### Post date: [2018年八月20日 16:03 UTC](https://meta.discourse.org/t/error-after-cleaning-tmp-folder/95205/5 "2018-08-20T16:03:20Z")

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I installed with that guide:

> [@Install Discourse on macOS for development](https://meta.discourse.org/t/beginners-guide-to-install-discourse-on-macos-for-development/15772):
>
> warning This guide covers installation instructions for a macOS development environment, for production guides see: [Install Discourse in production with the official supported instructions](https://meta.discourse.org/t/how-to-install-discourse-in-production/142537) So you want to set up Discourse on macOS to hack on and develop with? We’ll assume that you don’t have Ruby/Rails/Postgres/Redis installed on your Mac. Let’s begin rocket ! Install Discourse Dependencies You will need the following packages on your system: [Git](http://git-scm.com/)[rbenv](https://github.com/sstephenson/rbenv) or [asdf](https://asdf-vm.com/guide/getting-started.html)[ruby-build](https://github.com/sstephenson/ruby-build)[Ruby](https://www.ruby-lang.org/) (latest s…

I cleaned up files and folders in TMP folder. So i cleaned` tmp/?` 🙂 But my operating system shows hidden files and folders. I must have deleted the hidden files and folders. Is it problem?

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