find /var/www/PATH/OF/FILE_or_DIR/ -type f -exec chmod -R 644 {} ;
find /var/www/PATH/OF/FILE_or_DIR/ -type d -exec chmod -R 755 {} ;
PERMISSOES WORDPRESS chmod -R 755 wp-content
chmod -R 755 wp-admin
chmod -R 755 wp-includes
chmod 755 .
chmod 644 .htaccess