The last thing I did was `System/Cache Management/Flush Magento Cache`, now it appears database connectivity has been interrupted:

> ERR (3): Warning: PDO::__construct(): php_network_getaddresses:
> getaddrinfo failed: Name or service not known  in
> /opt/bitnami/apps/magento/htdocs/lib/Zend/Db/Adapter/Pdo/Abstract.php
> on line 129