Permission issues with WordPress
sudo chown -R bitnami:daemon /opt/bitnami/apps/wordpress/htdocs/wp-content/cache
sudo find /opt/bitnami/apps/wordpress/htdocs/wp-content/cache -type f -exec chmod 664 {} \;
sudo find /opt/bitnami/apps/wordpress/htdocs/wp-content/cache -type d -exec chmod 775 {} \;
sudo chown bitnami:daemon /opt/bitnami/apps/wordpress/htdocs/wp-config.php
sudo chmod g+w /opt/bitnami/apps/wordpress/htdocs/wp-config.php
sudo chown bitnami:daemon /opt/bitnami/apps/wordpress/htdocs/.htaccess
sudo chmod g+w /opt/bitnami/apps/wordpress/htdocs/.htaccess