devfs: how do I stop permissions being reset at reboot?

Francis Viviers francis at impilinux.co.za
Mon Mar 13 13:01:37 UTC 2006


Just user : nut , to the dialout group

On Monday 13 March 2006 12:57, R Kimber wrote:
> On Mon, 13 Mar 2006 13:44:56 +0100
>
> Oliver Grawert <ogra at ubuntu.com> wrote:
> > hi,
> >
> > Am Montag, den 13.03.2006, 12:41 +0000 schrieb R Kimber:
> > > I'm trying to run nut with a newly acquired UPS using COM1.  This
> > > involves doing
> > >
> > > chmod 0600 /dev/ttyS1
> > > chown nut.nut /dev/ttyS1
> > >
> > > However, these permissions are reset at reboot to
> > >
> > > crw-rw----  1 root dialout 4, 64 2006-03-12 18:02 /dev/ttyS0
> > >
> > > How should I make my own changes permanent?
> >
> > why dont you just add the nut user to the dialout group ?
> > apart from that, devfs is obsolete in 2.6 kernels, you want to change
> > udev rules (even the proper way is the dialout group for your problem)
>
> Thanks. 'devfs' was a mistake.  I meant 'udev'
>
> --
> Richard Kimber
> http://www.psr.keele.ac.uk/

-- 
Regards

Francis Viviers
Senior Developer
ImpiLinux ( Pty. ) Ltd.




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