general-scripts-and-system-ssssssetup/customscripts/fix_permissions

#!/bin/bash
[ "root" != "$USER" ] && exec sudo $0 "$@"
chown -R www-data:www-data /var/www/*
find /var/www/* -type d -exec chmod g=rwx "{}" \;
find /var/www/* -type f -exec chmod g=rw "{}" \;