# Can't run the launcher to install Discourse on CentOS 7

**URL:** <https://meta.discourse.org/t/cant-run-the-launcher-to-install-discourse-on-centos-7/23095>\
**Category:** Self-hosting\
**Created:** [December 12, 2014, 7:45pm UTC](https://meta.discourse.org/t/cant-run-the-launcher-to-install-discourse-on-centos-7/23095 "2014-12-12T19:45:49Z")\
**Posts on this page:** 1\
**Showing post:** 25

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**Author:** ![jonnymccullagh](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/jonnymccullagh/32/122050_2.png) [@jonnymccullagh](https://meta.discourse.org/u/jonnymccullagh)\
**Post date:** [December 30, 2015, 4:04pm UTC](https://meta.discourse.org/t/cant-run-the-launcher-to-install-discourse-on-centos-7/23095/25 "2015-12-30T16:04:35Z")

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On CentOS 7 try linking the non-existent [docker.io](http://docker.io) binary to the existing docker binary as follows:  
ln -s /usr/bin/docker /usr/bin/docker.io

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_[View the full topic](https://meta.discourse.org/t/cant-run-the-launcher-to-install-discourse-on-centos-7/23095)._