Data folder size/permission


i wanto to know the size of data folder of my owncloud 10 last version but wheen try to access via terminal or Winscp receive a messagge Permission Denied.
Which is the best solution for solve this tips?
Now the folder have 770 permission with the www-data



Login as what? root?


ubuntu … no root , with my name


I think you should add that user to the group www-data.