NextCloud: Manual configuration for PreviewGenerator

Hi,

You must run with root user and use this command:

sudo -u nextcloud php8.1 --define apc.enable_cli=1 occ config:app:set --value="256 384 1024" previewgenerator widthSizes

or use your command after add it in the php.ini file for a permanent usage:

echo apc.enable_cli=1 >> /etc/php/8.1/cli/php.ini

More explications in this topic (in french)

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