Tuesday, 15 October 2013

Deleting 'forced' local home folders created from OS X 10.7 Active Directory Logins

When users log in to the apple macs at the college it creates a local home on the machine to save preferences and files, and mounts their home drive too.

After a year these fill up. After a few searches and researches, looks like the easiest way is to write a script which deletes all folders except certain ones. Looks like you can use the 'find' command. Found a good example here:

find . -maxdepth 1 -not -name 'filename.gif' -iname '*.gif' -delete

Here's the man page for find

So, I don't want to delete the folders:

find . -maxdepth 1 -not -name 'Guest' -not -name 'Shared' -not -name 'administrator' -not -name 'media' -name '*' -delete
I tried '*.*' but it only then deletes files with '.' in them, not folders. '*' selects everything including folders

Actually, I found here that the slightly better way to do it was to use the -exec rm instead of -delete. This then tells you which directories were actually deleted:
find /Users/Shared -maxdepth 1 -mindepth 1 -not -name 'administrator' -not -name 'Guest' -not -name 'Shared' -not -name 'media' -exec rm -Rvf {} \;
The -mindepth 1 option makes sure it doesn't delete the parent directory.

A longer term solution would be to delete these folders on logout, so the students and staff could get used to not relying on these folders.

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