I'm working on Ubuntu Server 14.04 and I'm trying to set up an AFP share with Netatalk. So far so good aside from the privileges to the files inside the shared directories.

I want to set up a system that whenever a user creates or places a file in a certain directory it will automatically provide 770 and set a specific group as the owning group of the directory.

I've got the owning group part working fine by using: chmod g+s /directory

The part that I can't seem to get working is the permissions for the files created inside the directory.

I've read a bit about ACL and setting a default ACL, and I've tried a few things regarding that with no luck. I tried the following:

setfacl -m "default:group::rwx" /directory
mount -o remount,acl /mountPoint

I also added acl to the /etc/fstab for the correct drive however I have not rebooted the machine yet as it is a server I'd rather not have to take down and I thought the mount -o remount,acl /mountPoint would do the right thing.


From this Ubuntu Forums thread

Edited /etc/netatalk/AppleVolumes.default so it reads:

# The line below sets some DEFAULT, starting with Netatalk 2.1.
:DEFAULT: options:upriv,usedots

# By default all users have access to their home directories.
~/          "Home Directory"
/srv/files/Agentur  "Agentur"       allow:@mitarbeiter dperm:0770 fperm:0660 umask:0007
/srv/files/Test     "Test"          allow:@mitarbeiter dperm:0750 fperm:0660 umask:0007

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