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Re: undo rm deleteing /etc very urgent



issa rabba' wrote:

Dear all:

Please I need help, by mistake I delete /etc directory and I don't how can I
undo deleting /etc, I still has connection to the server, please if any one
can help me....

Note: I don't have backup 4 /etc direcoty


I'll go ahead and respond to your post with my very generic and unhelpful response, since you're probably on a time constraint and no one else seems to be answering (probably most are asleep).

My understanding is that when you delete files on most Linux filesystems, they aren't actually deleted, just unlinked. It's possible to restore some or all of these files by restoring only the links (a semi-trivial process, maybe). But once you start writing data back to the drive, there's probably little or no guarantee that you won't overwrite some or all of the space that /etc occupied. So my first suggestion would be to try to find an undelete utility for whatever filesystem /etc was stored on. After a quick google I found this one for ext2:

http://twerner.debian.net/

I make no claims as to whether or not this utility will work. I've never used it before.

If you use reiserfs or some other filesystem, you'd need to google and find a different utility (assuming one exists for your FS of choice).

My other suggestion is to do what I did in the sole situation where I clobbered the /etc directory of a major production machine (by accidentally running "etc-update" on a Gentoo box I was supposed to help administer). And that is to grab the FC install CDs, and install and configure as quickly as possible as you can on an alternative machine. Most processes only read configuration files in /etc on startup, so your machine with trashed /etc might even be able to stay alive while you get another one together. It's not a pretty solution, but it'll hopefully minimize the damage done.

Hope this helps.

Jeremy



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