Nextcloud Tuning Migration SQL->Postgres REDIS /mnt/cache statt /mnt/usr Preview-Generator Bilder The app does not replace on demand preview generation so if a preview is requested before it is pre-generated it will still be shown. The first time you install this app, before using a cron job, you properly want to generate all previews via: ./occ preview:generate-all -vvv Important: To enable pre-generation of previews you must add php /var/www/nextcloud/occ preview:pre-generate to a system cron job that runs at times of your choosing. Quelle Generelles OCC Befehler & Cronjobs Den OCC Befehl kann über das Terminal im Container gestartet werden und befinet sich in /config/www/nextcloud/occ Befehle: occ preview:generate-all -vvv  #Erzeugt initial alle preview-images über den Previewgenerator php /var/www/nextcloud/occ preview:pre-generate   #to a system cron job that runs at times of your choosing.   Upgrade über Konsole sudo -u abc php /config/www/nextcloud/updater/updater.phar sudo -u abc php /config/www/nextcloud/occ upgrade sudo -u abc php /config/www/nextcloud/occ maintenance:mode --off   Quelle