ownership of /bin/df and /etc/mtab

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3 total messages Started by Gerhard Moeller Wed, 06 Jan 1993 06:40

#29

Author: Gerhard Moeller
Date: Wed, 06 Jan 1993 06:40

24 lines
1390 bytes

Hi!

Well, maybe it's my fault, but I wonder why the permissions of mtab and df
are not right set, since 3.0:

-rwxr-sr-x  1 root     operator    6692 Jul 21 17:40 /bin/df*
-rw-r-----  1 root     wheel      81 Jan  5 15:44 /etc/mtab

With permissions like that only root and wheel are able to execute df.
(Very bad for news, as rnews needs df.)

The question: Is is my fault and which group is wrong set?

	Frustrated, Gerhard.

(It took me 15 minutes to find my rnews problem... :( )

--
+---------------------------< principiis obsta! >---------------------------+
N  Gerhard Moeller, Teichstrasse 12, 2900 Oldenburg (FRG) [*: 02/21/1968]   N
e  Private: gemoe@proximus.north.de          Phone (voice): +49-441-75520   e
X  Uni:     Gerhard.Moeller@arbi.Informatik.Uni-Oldenburg.DE      NeXTmail  X
T  Z-Net:   Gerhard.Moeller@uniol.zer                          encouraged!  T
+-> NoGeNUG - Northern German NeXT User Group:  NoGeNUG@proximus.north.DE <-+

Re: ownership of /bin/df and /etc/mtab

#32

Author: Gilles Detillieux
Date: Thu, 07 Jan 1993 20:11

23 lines
1463 bytes

In article <1993Jan6.064038.6744@proximus.north.de> gemoe@proximus.north.de  
(Gerhard Moeller) writes:
> Well, maybe it's my fault, but I wonder why the permissions of mtab and df
> are not right set, since 3.0:
> 
> -rwxr-sr-x  1 root     operator    6692 Jul 21 17:40 /bin/df*
> -rw-r-----  1 root     wheel      81 Jan  5 15:44 /etc/mtab
> 
> With permissions like that only root and wheel are able to execute df.
> (Very bad for news, as rnews needs df.)
> 
> The question: Is is my fault and which group is wrong set?

Well, without laying any blame, /etc/mtab usually is world-readable.
(i.e. mode 664 or 644)

The owner and group assignments are the same as on my NeXT.

--
Gilles Detillieux                       <Gilles@scrc.UManitoba.CA>
Spinal Cord Research Centre             or <grdetil@gilles.scrc.UManitoba.CA>
Dept. of Physiology, U. of Manitoba     Phone:  (204)788-6766
Winnipeg, MB  R3E 0W3  (Canada)         Fax:    (204)786-0932

Re: ownership of /bin/df and /etc/mtab

#34

Author: Rex Pruess
Date: Thu, 07 Jan 1993 22:06

17 lines
1443 bytes

gemoe@proximus.north.de (Gerhard Moeller) writes:

  >  Well, maybe it's my fault, but I wonder why the permissions of mtab 
  >  and df are not right set, since 3.0:
  >
  >  -rwxr-sr-x  1 root     operator    6692 Jul 21 17:40 /bin/df*
  >  -rw-r-----  1 root     wheel      81 Jan  5 15:44 /etc/mtab

Ejecting disks messes up the correct setting of "644" on /etc/mtab.  One
way to deal with this problem is to update the mode setting every 30
minutes or so by putting the following line in /etc/crontab.local:

         1,31 * * * *   root   /bin/chmod 644   /etc/mtab
--
----------------------------------------------------------------------------
    Rex Pruess, Weeg Computing Center, University of Iowa, Iowa City, IA
       NeXTmail: Rex-Pruess@uiowa.edu ......... Phone: (319) 335-5452

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