Some utilities like cp, tar, and rsync will try to preserve the permissions of the source file(s) which will mask out your default ACL if the source file was not group-writable. For example, most files won't be executable by anyone from the start (depending on the mode argument to the open(2) or creat(2) call), just like when using umask. Of course, it also depends on the application creating the file. Now, use the following command to set the default ACL: setfacl -dm u::rwx,g::rwx,o::r /shared/directoryĪll new files in /shared/directory should now get the desired permissions. For example, if the directory is located on your root filesystem: /dev/mapper/qz-root / ext3 errors=remount-ro,acl 0 1 Do default file permissions vary with the file type Qu 3) what are the default 'groups' for folders and files Generally I seem to have 'Authenticated Users', 'SYSTEM', 'Administrators (AH530\Administrators)' and 'Users (AH530\Users)' but in some cases there are less than this and in others I have seen 'Sean' included in some form or other. In that case, add the option to your /etc/fstab. Other filesystems (e.g., ext3) need to be mounted with the acl option. Changing the permissions to 711 (rwx-x-x) means they can traverse folders but not see anything. The primary purpose of file system permissions inheritance is. However that lets other users wander into your home folder and look at stuff. By default, NTFS permissions for files and folders inherit the permissions of their parent folder. If you are using ext4 then it is already enabled. Default permissions on a home directory are 755 in many instances. Here's how to do it using default ACLs, at least under Linux.įirst, you might need to enable ACL support on your filesystem.
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