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First off completely new to Linux here though by reading and searching your forums they've helped me a lot in the past so I figured it high time I joined the club so to speak and actually asked a question. I want to put a disclaimer that this is something I'm trying to learn so I'm looking for for hints then absolute solutions, it also doesn't help that I can't use ACL's for this :-(
First off I'm running Fedora 12 (vm)
I'm working on something to create a folder system for 10 users (lets say uA, uB, uC, etc, etc)
I have Folder1/FolderA
Now in this case I want uA,uB to have pretty much complete access to these folders, to create and open etc at their leisure. So I made a group and made uA, uB members of that group, gave that group the pretty much complete folder and child folder control, meaning uA and uB are taken care of.
I figured my next step was to set the folder/child folder permissions for the own to say 500 (rx only)and then have Folder1 SUID so that when someone tries to execute FOLDER1 that they would have owner permissions
(500). The problem I now have however is that I do not want EVERYONE other then uA and uB to have owner permissions, only a select few users (say uC and uD but not uF etc etc) thats my perdicament so I'm trying to find a effective way to filter permissions without an ACL, either that or to somehow grant 2 GROUPS different permissions to the same folders, while still keeping non-members of those 2 groups (full and limited access groups I'd call them) out.
If the third group needs limited access and if you are not opposed to other users to access just don't include the third group and set the "Others" to what you think is appropriate and the owner and group as stated above.