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Nextcloud Cheatsheet

Status

  • sudo -u www-data php /var/www/nextcloud/occ status

Scan files

  • sudo -u www-data php /var/www/nextcloud/occ files:scan -v --all
  • sudo -u www-data php /var/www/nextcloud/occ files:scan -v myusername
  • sudo -u www-data php /var/www/nextcloud/occ files:scan -v --path="/myusername/files/myfolder/mysubfolder" myusername
  • For external storage one has to use a user, e.g. admin
    • sudo -u www-data /usr/bin/php /var/www/nextcloud/occ files:scan -v --path="/admin/files/name_of_external_storage"

Error while scanning: "Entry path/to/file will not be accessible due to incompatible encoding"

  • German Umlauts with different encoding (OS X normalization form D for UTF-8)
  • Solution:
    • convmv -f utf-8 -t utf-8 --nfc -r /srv/nextcloud/
    • check, then with --notest
    • convmv -f utf-8 -t utf-8 --nfc -r --notest /srv/nextcloud/
    • + rescan with occ

Upgrade

  • sudo -u www-data php /var/www/nextcloud/updater/updater.phar --no-interaction
  • sudo -u www-data php /var/www/nextcloud/occ upgrade

Turn maintenance mode on/off

  • sudo -u www-data php /var/www/nextcloud/occ maintenance:mode --on
  • sudo -u www-data php /var/www/nextcloud/occ maintenance:mode --off

Add missing indices

  • sudo -u www-data php /var/www/nextcloud/occ db:add-missing-indices

Convert to bigint

  • sudo -u www-data php /var/www/nextcloud/occ db:convert-filecache-bigint

Add missing columns:

  • sudo -u www-data php /var/www/nextcloud/occ db:add-missing-columns

Add missing primary keys:

  • sudo -u www-data php /var/www/nextcloud/occ db:add-missing-primary-keys

Fix interupted upgrades

  • sudo -u www-data php /var/www/nextcloud/occ maintenance:repair

Install apps from the command line

https://docs.nextcloud.com/server/20/admin_manual/configuration_server/occ_command.html#apps-commands-label

  • sudo -u www-data php /var/www/nextcloud/occ app:list
  • sudo -u www-data php /var/www/nextcloud/occ app:install files_external
  • sudo -u www-data php /var/www/nextcloud/occ app:enable files_external

Configure

  • sudo -u www-data php /var/www/nextcloud/occ config:list

Clients

Ubuntu

Integration with Nautilus

  • sudo apt install nautilus-nextcloud
    • old: python-nautilus nextcloud-client-nautilus
  • Log off / Log in again

Issues

Calendar

CSS fix for V16 / V1.7.0

  • Menu -> Apps -> Add/Enable "Custom CSS" app
  • Menu -> Settings -> Administration -> Theming
  • Add custom CSS and save:
    • /* Fix mobile right sidebar issues (create, update buttons hidden) */
      
       @media only screen and (max-height: 760px) {
      
        #app-sidebar {
          height: auto; /* there are problems with the height calculation */
          width: auto; /* use max width on mobile */
          top: 0; /* surpress top margin when not fixed (see below */
        }
      
        .modal-content #app-sidebar {
          position: relative;      /* do not fix sidebar to right side */
        }
      }
      
      /* OTHER TWEAKS */
      
      /* bold time */
      .fc-day-grid-event .fc-time {
          opacity: 1;
          font-size: 90%;
          font-weight: bold;
      }
      
      /* show event name in mobile */
      .fc-day-grid-event .fc-content {
          white-space: normal;
      }

Install OnlyOffice in Nextcloud 18

 

Update to PHP7.4 on Ubuntu 18.04

  • apt --yes remove 'php*'
  • add-apt-repository ppa:ondrej/php
  • apt update
  • apt install php7.4-gd php7.4-ldap php7.4-imap php7.4-json php7.4-curl php7.4-intl php7.4-bcmath php7.4-gmp php7.4-imagick php7.4-mbstring php7.4-redis php7.4-xml php7.4-zip php7.4-apcu php7.4-apcu-bc php7.4-mysql

 

With FPM

  • a2dismod php7.4 mpm_prefork
  • apt install php7.4-fpm
  • a2enmod mpm_event proxy_fcgi setenvif
  • a2enconf php7.4-fpm
  • vi /etc/apache2/apache2.conf
    • # Enable http2
      Protocols h2 h2c http/1.1

      # Add security headers
            Header always add Strict-Transport-Security "max-age=15768000; includeSubDomains; preload"

 

  • vi /etc/php/7.4/fpm/pool.d/www.conf
    •       pm = dynamic
            pm.max_children = 120
            pm.start_servers = 12
            pm.min_spare_servers = 6
            pm.max_spare_servers = 18
  • vi /etc/php/7.4/fpm/php.ini
    • memory_limit = 512M

    • [opcache]
      ; Determines if Zend OPCache is enabled
      opcache.enable = 1

      ; Determines if Zend OPCache is enabled for the CLI version of PHP
      opcache.enable_cli = 1

      ; The OPcache shared memory storage size.
      opcache.memory_consumption = 128

      ; The amount of memory for interned strings in Mbytes.
      opcache.interned_strings_buffer = 8

      ; The maximum number of keys (scripts) in the OPcache hash table.
      ; Only numbers between 200 and 1000000 are allowed.
      opcache.max_accelerated_files = 10000
       

      ; How often (in seconds) to check file timestamps for changes to the shared
      ; memory storage allocation. ("1" means validate once per second, but only
      ; once per request. "0" means always validate)
      opcache.revalidate_freq = 1

  •  

    service php7.4-fpm restart