What's the best way to lock a directory from remove & edits?

Asked Apr 20 '23 at 18:43

Active Apr 20 '23 at 18:51

Viewed 121 times

I have a few directories that I want to lock. This lock should provide the following:

Disallow anyone (including myself) from removing from that directory without a password
Disallow anyone (including myself) from changing existing files in that directory and recursive directories without a password
It shouldn't prevent new files from being added by myself but should prevent it from others (but not root)

I am using Operating System: CentOS Linux 7 (Core).

How can I achieve this behavior?

edited Apr 20 '23 at 18:51

asked Apr 20 '23 at 18:43

David

with "chattr" you can protect files but I don't think you can set a password with it – Z0OM Apr 20 '23 at 18:58
Does this answer your question? How to prevent users from renaming files while providing write permissions on Linux – Gilles Quénot Apr 20 '23 at 18:58
No need chattr, just a directory as root with 755 rights (default with common umask) on that dir – Gilles Quénot Apr 20 '23 at 18:59
@Gilles Quénot would "acl" also be an option except as you mentioned with setting of directory as root? – Z0OM Apr 20 '23 at 19:06
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No need complicated stuff. Just a simple root dir. Also check https://unix.stackexchange.com/questions/183994/understanding-unix-permissions-and-file-types – Gilles Quénot Apr 20 '23 at 19:06
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@Gilles that doesn’t allow point 3, does it? – Stephen Kitt Apr 20 '23 at 19:39
True, misreaded that point @StephenKitt – Gilles Quénot Apr 20 '23 at 19:48

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