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====== Nextcloud Information ======
----
~~NOTOC~~
=== A high level example of interfacing with Nextcloud (docker container) ===
  ##Open terminal in container
  docker exec -it nextcloud bash
  
  ##Turn on maintenance mode
  sudo -u abc php7 /config/www/nextcloud/occ maintenance:mode --on
  
  ##Backup current nextcloud install
  mv /config/www/nextcloud /config/www/nextcloud-backup
  
  ##Grab newest nextcloud release and unpack it
  wget https://download.nextcloud.com/server/releases/latest.tar.bz2
  tar -xvf latest.tar.bz2 -C /config/www
  
  ##Copy across old config.php from backup
  cp /config/www/nextcloud-backup/config/config.php /config/www/nextcloud/config/config.php
  
  ##Now Restart docker container
  exit
  docker restart nextcloud
  
  ##Open terminal in container
  docker exec -it nextcloud bash
  
  ##Perform upgrade
  sudo -u abc php7 /config/www/nextcloud/occ upgrade
  
  ##Turn off maintenance mode
  sudo -u abc php7 /config/www/nextcloud/occ maintenance:mode --off
  
  ## Now Restart docker container
  exit
  docker restart nextcloud

=== Upgrading Nextcloud running in a docker container: ===
Login to the console of the docker host and execute:
  docker exec -it <docker name> updater.phar
  
=== Disable IPv6 in Nextcloud ===
Edit the file /config/nginx/site-confs/default.conf and comment out the IPv6 listeners.

=== Additions to Nextcloud config (/config/www/nextcloud/config/config.php) ===
(Note: make sure to update the xxx.xxx.xxx.xxx in the code below to the IP of the proxy)

  'trusted_proxies' =>
  array (
    0 => 'xxx.xxx.xxx.xxx',
  ),
  'forwarded_for_headers' =>
  array (
    0 => 'X-Forwarded-For',
    1 => 'X-Real-IP',
  ),
  'enable_previews' => true,
  'enabledPreviewProviders' =>
  array (
    0 => 'OC\\Preview\\BMP',
    1 => 'OC\\Preview\\GIF',
    2 => 'OC\\Preview\\JPEG',
    3 => 'OC\\Preview\\Krita',
    4 => 'OC\\Preview\\MarkDown',
    5 => 'OC\\Preview\\MP3',
    6 => 'OC\\Preview\\OpenDocument',
    7 => 'OC\\Preview\\PNG',
    8 => 'OC\\Preview\\TXT',
    9 => 'OC\\Preview\\XBitmap',
    10 => 'OC\\Preview\\Movie',
  ),
  'maintenance_window_start' => 1,
  'default_phone_region' => 'US',
  'skeletondirectory' => '',

=== Updates to /config/nginx/site-confs/default.conf ===
  * Change set_real_ip_from from 172.16.0.0/12; to Proxy IP;
  * Ensure real_ip_header = X-Forwarded-For

=== Updates to Nextcloud installs to handle large files ===
  * Update /config/nginx/nginx.conf – make sure ‘client_max_body_size’ equals 0 (zero).
  * Update /config/nginx/site-confs/default.conf – make sure ‘client_max_body_size’ equals 16G.

Bounce nextcloud (docker restart nextcloud-app) after any/all config edits.

=== Bulk actions in Nextcloud ===
In this example, we are deleting multiple users.

Create a text file listing the accounts to be deleted, one per line.

Execute the following command, referencing the just-created file:
  for i in $(cat users_to_del.txt); do occ user:delete $i; done