In the Mountain Lion Server User configuration panel, you can set a disk quota for each user. Be warned that setting a “really large” quota (500GB in my test) can cause quota errors. I don’t know whether the value is setting a high bit and ‘going negative’ or overflowing some variable so it wraps around to a small value, but there it is.
Here is Software Update Controller (xhost7) for the other machines on my LAN. It won’t work outside my local network, so don’t bother trying.
xattr command. You can inspect the extended attributes:
$ xattr s.7z com.apple.metadata:kMDItemWhereFroms com.apple.quarantine
and use the
-d option to delete one extended attribute:
$ xattr -d com.apple.quarantine s.7z $ xattr s.7z com.apple.metadata:kMDItemWhereFroms
Time Machine has been skipping some folders, and every simple trick I tried failed to make it back them up. Finally, I dug deep and found the problem: the OS X Extended Attributes for those folders contained this attribute: com.apple.metadata:com_apple_backup_excludeItem
The “how to remove this” instructions came from stackoverflow.com.