Owncloud cli cheatsheet¶

Architecture¶

Owncloud by default is installed to /var/www/owncloud
The apache conf file is in /etc/apache2/conf-available/owncloud.conf
- by default this redirects any http[s[://[url]/owncloud to the owncloud directory
- I often change this to redirect / to owncloud if on subdomain or office fileserver
owncloud config file is in /var/www/owncloud/config/config.php
- note: if setting changes in the config file do not take, check the permissions for this file
the owncloud directory also has a detailed .htaccess file that is vital to the security of owncloud
The data directory can be found in the config file and is also the location of the owncloud.log file
- the data directory can and at office servers is often supplemented or replaced by local storage or SMB
the backend database is mysql which is used by default for everything.
- some larger installs (ex. NDWA) use redis instead of mysql for file locking.
caching is performed by memcached or redis

Occ is the cli command tool for owncloud. Through this tool most user/file/maintenance operations can be performed.
detailed instructions can be found here https://doc.owncloud.org/server/9.0/admin_manual/configuration_server/occ_command.html

key notes/favorite commands:

Occ must be run as the www-data user!
- 8.0+ should no longer even allow running as root but if that happens there might be a permission mess to deal with!
- always use sudo -u www-data php /var/www/owncloud/occ (I have aliased this to occ)
occ upgrade is needed for any major or minor release of owncloud!
- this will do a database upgrade test and then perform the upgrade
- for larger installs, this could take some time so only perform this during off hours.
occ maintenance:mode --off/--on this will gracefully close connections and turn on maintenance mode (or off)
occ file:scan [user] this will rescan the file cache for [user] or --all for all
- this doesn't work for samba shares with OC login credentials as OC has no easy capacity for caching credentials for this purpose. (currently being worked on)
occ user:resetpassword [user] will allow resetting a user password
occ user:lastseen [user] will show when the user last logged in
occ user:report will show a report of how many users are in the system
occ files:transfer-ownership USER1 USER2 -vv will transfer ownership of all files from USER1 to USER2

ssh into the server hosting the Owncloud instance
go to /var/www/owncloud/updater or /var/www/nextcloud/updater
run this command
```
 sudo -u www-data php updater.phar 
```
wait a little bit! if it happens too fast, it didn't update.
In the web console, go to Overview > Settings to see if it updated. For example: https://cloud.rainforestfoundation.org/owncloud/index.php/settings/admin/overview
Refer to documentation if needed.

using a docker-compose setup
go to nextcloud-docker folder (/opt/nextcloud-docker or /root/nextcloud-docker or wherever it was set up)
sudo docker-compose pull && sudo docker-compose build
if those two things work correctly, run docker-compose up -d
then sudo docker-compose exec --user www-data app php occ maintenance:mode --off

upgrade package via apt-get
run sudo -u www-data php /var/www/owncloud/occ upgrade
- upgrade may take a long time
after completing run sudo -u www-data php /var/www/owncloud/occ maintenance:mode --off

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