# 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](https://apps.nextcloud.com/apps/previewgenerator)

# 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](https://help.nextcloud.com/t/updater-app-runs-into-timeout/12891/5)