[CLUE-Tech] I just don't understand it

[Joe Linux]

I guess to reverse it I would   

do    chattr -i {name of file}

Is this correct?



    chattr [ -RV ] [ -v version ] [ mode ] files...

DESCRIPTION
       chattr changes the  file  attributes  on  a  Linux  second
       extended file system.

       The format of a symbolic mode is +-=[ASacdistu].

       The  operator  `+'  causes  the  selected attributes to be
       added to the existing attributes of the files; `-'  causes
       them  to  be  removed;  and `=' causes them to be the only
       attributes that the files have.

       The letters `ASacdijsu' select the new attributes for  the
       files:  don't  update  atime (A), synchronous updates (S),
       append only (a), compressed (c), no  dump  (d),  immutable
       (i),  data  journalling  (j),  secure  deletion  (s),  and
       undeletable (u).


Jed S. Baer wrote:

>On Wed, 22 May 2002 14:08:30 -0600
>Joe Linux <joelinux at earthlink.net> wrote:
>
>>After a great deal of time consuming effort, I thought I had the 
>>Mandrake permissions problem solved, but now they have come back as 
>>before -
>>755.  It seems rather odd to me that on a multi-user system that one 
>>user can peer into another users files, and you can't do anything to 
>>stop it.
>>
>
>Hey, on my system, I can set file permissions so even I can't see my own
>files. ;-)
>
>>Mandrake Linux is like a glass house with no window shades.
>>
>
>Well, you know what they say: Those who live in glass houses shouldn't
>throw stones.
>
>Seriously, AFAICT, this is unique to your system. Finding it might in fact
>be a major pain. IIRC, the original problem was that some program is
>changing the permissions on a file? Maybe someone already suggested this,
>but, as root, do a chattr +i {name of file}. This will make the file
>"immutable". Then you can look through your log files, or maybe your cron
>status e-mails (sent to root, most likely), for a program reporting an
>error on {name of file}.
>
>Presumably, you've looked through all the stuff that runs in the various
>/etc/cron* directories for culprits?
>
>jed
>

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