On Fri, May 24, 2002 at 08:16:25AM +1000, Jason Lim wrote:
> Hi all,
>
> This is happening on a Redhat 7.2 system, but i think it would apply
> across all Linux distros.
>
> [root@linux1 sbin]# pwd
> /usr/sbin
> [root@linux1 sbin]# chattr -iu sendmail
> [root@linux1 sbin]# rm sendmail
> rm: remove `sendmail'? y
> rm: cannot unlink `sendmail': Operation not permitted
>
> [root@linux1 sbin]# ls -al sendmail
> -rwxr-xr-x 1 root root 99161 May 1 01:21 sendmail
>
> That is happening for all the files in that directory.
>
> strace rm sendmail:
>
> lstat64("sendmail", {st_mode=S_IFREG|0755, st_size=99161, ...}) = 0
> access("sendmail", W_OK) = 0
> unlink("sendmail") = -1 EPERM (Operation not
> permitted)
>
> Any ideas as to what may be happening?
nnorman@foo:~ $ mkdir test
nnorman@foo:~ $ cd test
nnorman@foo:~/test $ touch biff
nnorman@foo:~/test $ sudo chattr +i .
nnorman@foo:~/test $ lsattr biff
-------------- biff
nnorman@foo:~/test $ ls -l biff
-rw-rw-r-- 1 nnorman nnorman 0 May 23 17:35 biff
nnorman@foo:~/test $ rm biff
rm: cannot unlink `biff': Permission denied
nnorman@foo:~/test $ lsattr -d .
---i---------- .
Check the directory.
--
Nathan Norman - Micromuse Ltd. mailto:nnorman@micromuse.com
Gil-galad was an Elven-king. | The Fellowship
Of him the harpers sadly sing: | of
the last whose realm was fair and free | the Ring
between the Mountains and the Sea. | J.R.R. Tolkien
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