Nginxi vealogi: /var/log/nginx/error.log
Nginxi vealogi Nextcloudi virtuaalse hosti jaoks: /var/log/nginx/nextcloud.error
Nextcloudi rakenduse logi: /usr/share/nginx/nextcloud/data/nextcloud.log
Näiteks NextCloudis "Internal Server Error" ja fail /var/log/nginx/nextcloud.error ütles, et
FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught OC\HintException: [0]: Memcache \OC\Memcache\Redis not available for local cache (Is the matching PHP module installed and enabled?)