#!/bin/bash
php -f /var/www/html/occ config:app:set --value="32 64 256 1024 1920"  previewgenerator squareSizes &&
php -f /var/www/html/occ config:app:set --value="64 128 1024 1080 2030" previewgenerator widthSizes &&
php -f /var/www/html/occ config:app:set --value="64 256 1024 1080 1920" previewgenerator heightSizes &&
php -f /var/www/html/occ preview:pre-generate -vvv