# Systemctl start lattermost failed **URL:** \ **Category:** Troubleshooting\ **Created:** [July 19, 2016, 6:38am UTC](https://forum.mattermost.com/t/systemctl-start-lattermost-failed/1905 "2016-07-19T06:38:12Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![Nev](https://avatars.discourse-cdn.com/v4/letter/n/eb8c5e/32.png) [@Nev](https://forum.mattermost.com/u/Nev)\ **Post date:** [July 20, 2016, 5:56am UTC](https://forum.mattermost.com/t/systemctl-start-lattermost-failed/1905/2 "2016-07-20T05:56:15Z")
You might check these tips. the chmod of the logfile resolved my issues. I had similar errors on mattermost, everything else was runnig fine. > [@Clean install of Gitlab 8.9 (not upgrade), enable Mattermost, Bad Gateway](https://forum.mattermost.com/t/clean-install-of-gitlab-8-9-not-upgrade-enable-mattermost-bad-gateway/1760/5): > > It looks like a permissions issue on the mattermost log file. Steps to make it work Gitlab on a clean machine sudo vi /etc/gitlab/gitlab.rb setup and uncomment mattermost\_external\_url Notice: I didn’t need to add the following for a clean install mattermost['db2\_backup\_created'] = true mattermost['db2\_team\_name'] = 'TEAMNAME' sudo gitlab-ctl reconfigure notice all the files in /var/log/gitlab/mattermost/ are the root owner sudo chown -R mattermost:mattermost /var/log/gitlab/mattermost/ c… Greetings Nev --- _[View the full topic](https://forum.mattermost.com/t/systemctl-start-lattermost-failed/1905)._