A user and group contains a dash: abc-def. When I try to use chown I get an error: chown abc-def.abc-def * -R chown: invalid user: `abc-def.abc-def' the user is valid and it should work... how can ...
I added my user to the www-data group. I chmodded a certain directory to 774 (-R, recursively) so only the owner and the group can change something. Yet my user can't even access it. What am I ...