ACL stands for access control list. ACLs extend permissions on files beyond the traditional user-group-others triple.

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4
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2answers
303 views

Precedence of user and group owner in file permissions

I just ran into something unexpected (for me) regarding file permissions on Linux (Arch Linux). Basically I have: userX in groupX fileX userX:groupX ---rwx---- What puzzles me: I cannot perform ...
5
votes
1answer
209 views

Can not explain ACL behavior

So this is situation: got server for web-developers. There are many developers. All developers + PHP + Apache belongs to www group. There is a development directory - development. The goal is that ...
5
votes
1answer
295 views

Using ACL with Multiple Default Groups

I have looked though the answers to similar questions and refreshed my memory on ACLs by reading tutorials on Linux ACLs. Yet, I am still stumped. What have I done wrong, or what do I not understand? ...
0
votes
2answers
334 views

setfacl access issues

I have a list of users (user1,user2,user3,superuser). user1, user2 and user3 belong to a usergroup called normalusers . Now, I need to issue the access control list command for the user superuser to ...
5
votes
2answers
7k views

Using setfacl to allow group members to write to any file in a directory

I'd like to use setfacl so that anyone in group 'app' can edit any file contained within /usr/local/users/app regardless of what the traditional UNIX permissions say. I have two users john and ben. I ...
5
votes
1answer
2k views

How do I edit a file and preserve its access control list / SELinux security context?

I'm on CentOS 6.2, and have a file with the alternate access method character displayed as a dot. ls -l myfile -rwxr-x---. 1 me mygroup 172 Aug 13 10:03 myfile ^ This dot. ...
3
votes
2answers
49 views

Back up and restore file permissions

Is there a way to back up and restore file ownership and permissions (the things that can be changed with chown and chmod)? You can do this in Windows using icacls. What about access control lists?
2
votes
3answers
168 views

User with read access to /home

Pardon my ignorance but I can't seem to come up with a solution to this one. I'd like to create a user that has read access to every user's home catalog located in /home. Do I need acl's for this or ...
1
vote
2answers
35 views

facl ignoring the “x” permission but only on files

When I use setfacl to manage on what permissions should the children files / directories have, for some reason the files have all the permissions except the execute ("x") one. ...
3
votes
2answers
3k views

Chroot SFTP users who require access to multiple directories under same parent folder

I have a RHEL 6 server with a /Documents directory, and it has child directories 1 2 3 4 5.... right under the /Documents directory. Is it possible to create an SFTP chroot jail that only gives a ...
2
votes
1answer
198 views

How to add a read only group permission to a folder that already has a default group, and have it inherited for all newly created files & folders?

In Windows this is easy. I never fully figured out Linux permissions, I have a directory such as this: /Photos The current ACL permissions are as follows: owner: root - full access group: photos ...
2
votes
1answer
77 views

Copying a file on a JFS filesystem, does not follow ACL guidelines

I have a JFS filesystem /dev/md2 on /mnt/hd2 type jfs (rw) to which I'm trying to copy some folders into target folder /mnt/hd2/videos/movies/. NOTE: I'm actually not using this target folder ...
1
vote
3answers
340 views

Group+rx permission only in directories using ACL?

I need to install acl in order to set up a very specific permission structure. Group members should be able to see the files in a directory and change into the subdirectories. However, they should not ...