Go to ownCloud QPKG base path, eg:
cd /share/CACHEDEV1_DATA/.qpkg/ownCloud
./owncloud.sh debug-container-status
equals adocker-compose ps
./owncloud.sh debug-owncloud-logs
shows logs of the owncloud container./owncloud.sh debug-db-logs
shows logs of the database container./owncloud.sh debug-redis-logs
shows logs of the redis container