@jwilander here you go:
additionally:
[root@matterhost ~]# systemctl status mattermost
● mattermost.service - Mattermost
Loaded: loaded (/usr/lib/systemd/system/mattermost.service; enabled; vendor preset: disabled)
Active: active (running) since Wed 2018-01-03 09:49:37 GMT; 5h 24min ago
Main PID: 14880 (platform)
CGroup: /system.slice/mattermost.service
└─14880 /opt/mattermost/bin/platform
Jan 03 15:04:29 matterhost.example.com platform[14880]: [2018/01/03 15:04:29 GMT] [EROR] /api/v4/plugins/webapp:GetActivePlugi...ls: ]
[root@matterhost ~]# ls -l /opt/mattermost
total 196
drwxr-xr-x. 3 mattermost mattermost 35 Dec 15 23:18 bin
drwxr-xr-x. 7 mattermost mattermost 16384 Dec 15 23:17 client
drwxr-xr-x. 2 mattermost mattermost 4096 Jan 3 09:49 config
-rw-r--r--. 1 mattermost mattermost 2044 Dec 15 23:17 ENTERPRISE-EDITION-LICENSE.txt
drwxr-xr-x. 2 mattermost mattermost 24 Dec 15 23:17 fonts
drwxr-xr-x. 2 mattermost mattermost 4096 Dec 15 23:17 i18n
drwxr-xr-x. 2 mattermost mattermost 4096 Dec 15 23:17 logs
-rw-r--r--. 1 mattermost mattermost 147575 Dec 15 23:17 NOTICE.txt
-rw-r--r--. 1 mattermost mattermost 5181 Dec 15 23:17 README.md
drwxr-xr-x. 2 mattermost mattermost 4096 Dec 15 23:17 templates
drwxr-xr-x. 3 mattermost mattermost 17 Sep 13 23:32 webapp