sudo -u www-data ./occ app:disable activity
sudo -u www-data ./occ app:disable customgroups
sudo -u www-data ./occ app:disable guest
sudo -u www-data ./occ app:disable guests
sudo -u www-data ./occ app:enabled guests
sudo -u www-data ./occ app:enable guests
sudo -u www-data ./occ app:list
sudo -u www-data ./occ app:list
sudo -u www-data ./occ upgrade
sudo -u www-data ./occ user:sync "OCA\User_LDAP\User_Proxy"
sudo -u www-data php occ ldap:show-config