# Port 80 appears to already be in use

**URL:** <https://meta.discourse.org/t/port-80-appears-to-already-be-in-use/57618>\
**Category:** Self-hosting\
**Created:** [2017年二月19日 01:39 UTC](https://meta.discourse.org/t/port-80-appears-to-already-be-in-use/57618 "2017-02-19T01:39:26Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![m1raz](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/m1raz/32/67910_2.png) [@m1raz](https://meta.discourse.org/u/m1raz)\
**Post date:** [2017年二月19日 15:54 UTC](https://meta.discourse.org/t/port-80-appears-to-already-be-in-use/57618/4 "2017-02-19T15:54:50Z")

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@cpradio @mitchellk  
Soved by deliting apache and nginx, bu when i go to next step appears this problem

> [@Device docker0 does not exist](https://meta.discourse.org/t/device-docker0-does-not-exist/57633):
>
> Configuration file at containers/app.yml updated successfully! Device "docker0" does not exist. Cannot connect to the docker daemon - verify it is running and you have access After installing SMTP appers this. What I can do?

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