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Re: parted is ALMOST suitable

From Brian <ad44@cityscape.co.uk>
Newsgroups linux.debian.user
Subject Re: parted is ALMOST suitable
Date 2016-11-09 11:50 +0100
Message-ID <sByC6-69v-35@gated-at.bofh.it> (permalink)
References (5 earlier) <sBkSt-5IO-17@gated-at.bofh.it> <sBlvb-5XM-1@gated-at.bofh.it> <sBwJX-4WR-1@gated-at.bofh.it> <sBy94-5YV-9@gated-at.bofh.it> <sByiK-62n-29@gated-at.bofh.it>
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On Wed 09 Nov 2016 at 11:27:11 +0100, tomas@tuxteam.de wrote:

> On Wed, Nov 09, 2016 at 10:12:13AM +0000, Brian wrote:
> > On Wed 09 Nov 2016 at 09:48:01 +0100, tomas@tuxteam.de wrote:
> > 
> > > On Tue, Nov 08, 2016 at 08:39:51PM +0000, Brian wrote:
> > > > On Tue 08 Nov 2016 at 14:41:45 -0500, Stefan Monnier wrote:
> > > > 
> > > > > >>>>>>> *HOWEVER* parted requires root privileges. That is not acceptable.
> > > > > >>>>>>> Suggestions?
> > > > > >>>>>>> TIA
> > > > > > Futzing with partitions is the admin's job.
> > > > > 
> > > > > Could be, but it's not (g)parted's job to enforce these kinds of rules:
> > > > > that's what Unix permissions (and Linux's capabilities) are for.
> > > > > 
> > > > > It's OK to add a warning and prompt the user to make sure he really
> > > > > means to do that, but there's no point *preventing* the user from
> > > > > shooting his own foot with this tool if he can do it with other
> > > > > tools anyway.
> > > > 
> > > > Users here get no opportunity to shoot themselves or anyone else in the
> > > > foot. Access to raw disks is over my dead body. So I do not understand
> > > > your point.
> > > 
> > > C'mon. Cut the drama. Dead bodies and that.
> > 
> > It's a turn of phrase. Sometimes used with a touch of humour.
> > 
> > > As if "raw disk" were some kind of sacred stuff. In my case they are
> > > simple files on disk (disk images). Shall I have to become root every
> > > time I have to write a partition table to that? No. I just use fdisk.
> > > 
> > > It's the job of file (device) permissions to ensure that. Or are you
> > > going to patch around bash's redirection operator too, to keep "users"
> > > from shooting themselves in the foot by issuing
> > > 
> > >   echo "mumble" > /dev/sda2
> > > 
> > > Not really.
> > 
> > That gives "-bash: /dev/sda2: Permission denied" for me with a fixed
> > disk. It's the same for a removable disk. The system came like that.
> 
> Hopefully. But that's not because bash checks that (as parted is).
> It's because the permissions on the device file are set right!
> 
> IOW, it's not the application's job (bash or parted), it's the OS's
> job (with the sysadmin's help) to check access permissions.
> 
> BTW it's very easy to fool the application itself (and this migh be
> a perverse "solution" to Richard's problem). Just run gparted under
> fakeroot. It won't convey you read/write permissions you don't have,
> but it will fool gparted to think it's running as root:

'fakeroot lsblk -f' gives the same output on Jessie as 'lsblk -f".
 
>   tomas@rasputin:~$ whoami
>   tomas
>   tomas@rasputin:~$ fakeroot whoami
>   root
>   tomas@rasputin:~$ 
> 
> So try running "fakeroot gparted" -- that might help. No need for
> elevated permissions :-)
> 
> Fakeroot is in the like-named package.

I hope cfdisk is an acceptable alternative to gparted, which is not on
my system. 'fakeroot /sbin/cfdisk' gives "cfdisk: cannot open /dev/sda:
Permission denied".

-- 
Brian.

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Thread

parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 13:20 +0100
  Re: parted is ALMOST suitable Felipe Salvador <felipe.salvador@gmail.com> - 2016-11-07 13:30 +0100
    Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 13:40 +0100
      Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 14:00 +0100
        Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 14:20 +0100
          Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 15:00 +0100
            Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 15:50 +0100
              Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 16:10 +0100
              Re: parted is ALMOST suitable Lisi Reisz <lisi.reisz@gmail.com> - 2016-11-07 17:30 +0100
      Re: parted is ALMOST suitable Felipe Salvador <felipe.salvador@gmail.com> - 2016-11-07 15:30 +0100
        Re: parted is ALMOST suitable Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-11-07 16:20 +0100
          Re: parted is ALMOST suitable Aldo Maggi <aldomaggi@katamail.com> - 2016-11-07 18:20 +0100
          Re: parted is ALMOST suitable Felipe Salvador <felipe.salvador@gmail.com> - 2016-11-07 19:00 +0100
          Re: parted is ALMOST suitable Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-11-08 19:10 +0100
            Re: parted is ALMOST suitable Glenn English <ghe2001@gmail.com> - 2016-11-08 19:40 +0100
              Re: parted is ALMOST suitable Stefan Monnier <monnier@iro.umontreal.ca> - 2016-11-08 21:10 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-08 21:50 +0100
                Re: parted is ALMOST suitable Stefan Monnier <monnier@iro.umontreal.ca> - 2016-11-09 00:20 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 18:40 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 21:40 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 21:50 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 22:20 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 09:50 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 11:20 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 11:30 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 11:50 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 12:10 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 17:10 +0100
                Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-09 15:20 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 20:50 +0100
                Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-09 21:40 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 21:10 +0100
                Re: parted is ALMOST suitable Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-11-10 01:20 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-10 10:10 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 19:30 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 21:40 +0100
                Re: parted is ALMOST suitable Stefan Monnier <monnier@iro.umontreal.ca> - 2016-11-08 22:10 +0100
                Re: parted is ALMOST suitable Lisi Reisz <lisi.reisz@gmail.com> - 2016-11-09 16:00 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 09:40 +0100
        Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 16:30 +0100
          Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-07 17:10 +0100
            Re: parted is ALMOST suitable Felipe Salvador <felipe.salvador@gmail.com> - 2016-11-07 18:50 +0100
              Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-07 20:20 +0100
                Re: parted is ALMOST suitable Lisi Reisz <lisi.reisz@gmail.com> - 2016-11-08 00:50 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-08 01:40 +0100
                Re: parted is ALMOST suitable Michael Lange <klappnase@freenet.de> - 2016-11-08 03:50 +0100
                Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-08 12:00 +0100
                Correction - Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-08 12:20 +0100
                Re: Correction - Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-08 20:30 +0100
                Re: parted is ALMOST suitable David Wright <deblis@lionunicorn.co.uk> - 2016-11-08 13:50 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-08 20:10 +0100
  Re: parted is ALMOST suitable Frank <zuiderduin@gmx.com> - 2016-11-07 13:30 +0100
  Re: parted is ALMOST suitable Darac Marjal <mailinglist@darac.org.uk> - 2016-11-07 13:40 +0100
  Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 13:50 +0100
    Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 14:30 +0100
      Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 15:10 +0100
      Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 15:20 +0100
        Re: parted is ALMOST suitable Greg Wooledge <wooledg@eeg.ccf.org> - 2016-11-07 15:30 +0100
          Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 15:40 +0100
          Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 17:00 +0100
            Re: parted is ALMOST suitable Greg Wooledge <wooledg@eeg.ccf.org> - 2016-11-07 17:10 +0100
              Re: parted is ALMOST suitable Nicolas George <george@nsup.org> - 2016-11-07 17:20 +0100
        Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 15:30 +0100
          Re: parted is ALMOST suitable Greg Wooledge <wooledg@eeg.ccf.org> - 2016-11-07 15:40 +0100
            Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 16:10 +0100
              Re: parted is ALMOST suitable Reco <recoverym4n@gmail.com> - 2016-11-07 18:00 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-08 10:20 +0100
        Re: parted is ALMOST suitable Pascal Hambourg <pascal@plouf.fr.eu.org> - 2016-11-07 21:10 +0100
          Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-08 01:00 +0100
            Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-08 12:20 +0100
            Re: parted is ALMOST suitable Pascal Hambourg <pascal@plouf.fr.eu.org> - 2016-11-11 15:40 +0100
              Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-11 17:30 +0100
                Re: parted is ALMOST suitable Pascal Hambourg <pascal@plouf.fr.eu.org> - 2016-11-11 18:10 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-11 18:40 +0100
    Re: parted is ALMOST suitable David Wright <deblis@lionunicorn.co.uk> - 2016-11-07 15:10 +0100
      Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 15:10 +0100
  Re: parted is ALMOST suitable rhkramer@gmail.com - 2016-11-07 15:00 +0100

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