:: Re: [DNG] why is polkit needed?
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Auteur: Didier Kryn
Date:  
À: dng
Sujet: Re: [DNG] why is polkit needed?
Le 14/02/2020 à 08:24, Tito via Dng a écrit :
> On 2/14/20 3:37 AM, Ozi Traveller via Dng wrote:
>> Does this help? You've probably seen this already.....
>>
>> https://mike632t.wordpress.com/2019/11/17/gksu-is-dead-long-live-pkexec/
>>
>> https://www.freedesktop.org/software/polkit/docs/0.105/pkexec.1.html
>>
>> On Fri, Feb 14, 2020 at 12:28 PM Gastón via Dng <dng@???
>> <mailto:dng@lists.dyne.org>> wrote:
>>
>>     On Thu, Feb 13, 2020 at 03:16:58PM -0800, tom wrote:
>>      > On Thu, 9 Jan 2020 16:50:15 +0000
>>      > Mark Hindley <mark@???
>> <mailto:mark@hindley.org.uk>> wrote:
>>      >
>>      > > On Thu, Jan 09, 2020 at 05:44:17PM +0100, Alessandro Vesely
>> via Dng
>>      > > wrote:
>>      > > > Hi,
>>      > > >
>>      > > > is there a recommended GUI package browser for Devuan?
>>      > > >
>>      > > > After migrating, synaptic isn't installed. If I try to
>> install it,
>>      > > > it says it needs policykit-1.  Since the latter seems to
>> be akin to
>>      > > > systemd, I reply 'n'.
>>      > >
>>      > > I really don't think that is true. There is no direct
>> relationship
>>      > > between policykit-1 and systemd. And our policykit works
>> with either
>>      > > elogind or consolekit, so you have options.
>>      > >
>>      > > If you want a integrated gui desktop that allows you to do
>> privileged
>>      > > things like install packages, you will need policykit-1 or
>> something
>>      > > similar.
>>      > >
>>      > > Alternatively, use apt or aptitude from the commandline.
>>      > >
>>      > > Mark
>>      > > _______________________________________________
>>      > > Dng mailing list
>>      > > Dng@??? <mailto:Dng@lists.dyne.org>
>>      > > https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng
>>      >
>>      > Sorry, can you explain why exactly polkit is needed here? What
>> is wrong
>>      > with what everyone was doing before polkit which was gksu or
>> gksudo?
>>      >
>>     gksu is no longer available from Beowulf. Now, apparently, you
>> have to
>>     use: pkexec
>>
>>     I'm in touch with the GNU/EterTics developer and he's having trouble
>>     running d-i from Live Mode on a beta version with Beowulf he's
>> testing.
>>
>>     He used to launch the d-i from Live mode using this command:
>>     `su-tu-root-X-c /usr/sbin/debian-installer-launcher`, but
>> su-tu-root is
>>     no longer available.
>>
>>     When he wants to launch the d-i from Live mode using this command:
>>     `pkexec /usr/sbin/debian-installer-launcher` , the installer does
>> not
>>     start in GUI mode.
>>
>>     Yesterday we tried several alternatives, like this one, but without
>>     success:
>>
>>     We tried running it this way:
>>     `pkexec env DISPLAY=$DISPLAY XAUTHORITY=$XAUTHORITY
>>     /usr/sbin/debian-installer-launcher` , with this it tries to open a
>>     window, but closes immediately.
>>
>>     We couldn't get pkexec to run the d-I in GUI mode from live-version.
>>     Nor is there much documentation about its use available.
>>
>>     Has anyone been through this using pkexec?
>>
>>
>>
>
> Hi,
> you can try with sudo I tested it with synaptic and it seems to work:
>
> 1) add the live-mode user to /etc/sudoers with the nopasswd directive
>    for the needed command e.g.:
>    live-user ALL=(ALL) NOPASSWD: /usr/sbin/synaptic
>
> 2) run sudo synaptic from a commandline in the live session
>    or add it to a panel launcher (works in xfce)
>    or edit a .desktop file



    Hi.

    AFAIR sudo does not transmit the X session. I heard years ago of
something called sudox. Dunno if it is available somewhere. I dislike
pkexec - just because of polkit - and used to use gksu or gksudo to run
synaptic. One can also fall back to 'ssh -X root@localhost synaptic' but
you must configure your ssh server to allow X sessions on root when
connection is on localhost.

    Didier