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Old 09-28-2011, 06:43 AM   #1
ahmadirad
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file and folder inheritance doesn't work!!


Dear all

for one of my folders in linux centos i set group permission rwx. in this situation all files and folders that are exist inherit all permission from parent directory. but when i create new Directory, it doesn't inherit permission from parent. How to force new files and folders to inherit all permission from their parent??

Best Wishes
 
Old 09-28-2011, 06:47 AM   #2
snooly
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supposing you are using bash shell, you want the "umask" command, which is documented in the bash manpage.

man bash
 
Old 09-28-2011, 07:13 AM   #3
ahmadirad
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Dear snooly

i think "umask" is global command. let me explain whole problem. i have 3 ftp users A,B & C. all of them are belong to group named "ftp-images". and default primary ftp folder for all 3 user is one location. permission for root folder is:

File ---------------------------------
Path: /var/www/html/images
Type: Directory
Size: 4096
Modified: Wed Sep 28 14:28:32 2011
--------------------------------------
Permissions---------------------------
User: (selected)Read (selected)Write (selected)List
Group: (Selected)Read (selected)Write (Selected)List
other: (Selected)Read (selected)Write (Selected)List
sticky: (unselected) Only owners can delete files
Octal: 2777
--------------------------------------
Ownership-----------------------------
User: root
Group: ftp-images
Setgid: (Selected) Files inherit group
--------------------------------------
Apply changes to----------------------
This directory only
--------------------------------------

in this situation when user A created Directory "A" it's permission is:

User: (selected)Read (selected)Write (selected)List
Group: (Selected)Read (unselected)Write (selected)List
other: (Selected)Read (unselected)Write (selected)List
-------------------------------------------------------------------

and other users "B & C" can view inside Directory A but cannot copy anythings into it.
 
Old 09-28-2011, 07:22 AM   #4
snooly
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The answer is still umask. The details depend on which ftp software and which operating system you are using.
 
Old 09-28-2011, 08:35 AM   #5
ahmadirad
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i using Filezilla client and Linux os is CentOs 5.6
 
Old 09-28-2011, 08:50 AM   #6
jschiwal
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The umask setting will mask out some of the permissions bits. For ownership and permissions of new subfolders and files, look at using acls.

facl -m u:<username>:rwx
facl -m d:u:<username>:rwx

You need to do both the user and default user. The first gives permissions to access the directory, the second causes new files and directories to inherit the ownership/group/permissions of the parent.
To do the same for group ownership/permissions, use `g' instead of 'u' in the command.

One note: The filesystem needs to be a Linux filesystem that supports ACLs, and you need to add "acl" to the mount options.
 
  


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