[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Treviño]

*** This bug is a duplicate of bug 1652282 ***
https://bugs.launchpad.net/bugs/1652282

** This bug has been marked a duplicate of bug 1652282
   Xwayland not using XAUTHORITY, prevents root applications from connecting

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Mike Holt]

I have a variation of this:   pardon any imprecision here I am NOT an
expert sysadmin,  I am a mid-stage learning Linux enthusiast.

I am running Lubuntu 16.04 on a home server and want to use VNC to vino
to reach it remotely.

Vino works fine - tested local and remote,  *when I have the desktop of
the server PC open and logged in*.

What I want to do is leave vino NOT running, until I use an SSH session
to start it.

When remoting in to do this,  I DO get the MIT-MAGIC-COOKIE  issue here,
initially, until I issue

export DISPLAY=:0

- which then solves that, and lets me run the  /usr/lib/vino/vino-server
command and allworks fine.


BUT:::  that only works when the server PC has a local (idle) login active at 
it's desktop. 

If I log OUT that local session,   then any remote SSH attempt lets me in 
normally,  but
attempting then to run vino, gives this error

"Failed to connect to Mir: Failed to connect to server socket: No such file or 
directory
Unable to init server: Could not connect: Connection refused "

-- REGARDLESS of  using  export DISPLAY=:0on either (or both) client
and server.


So the distinction is purely, is there a locally logged-in session, or not.   
How does that affect this,  and is there a workaround ?

I have researched this,  and advice such as   'xhost  +'  has been tried
and does not work.

I've also been advised to use more complex forms of he export command
such as

export DISPLAY=1.0

and 
export DISPLAY-:1.0


- which also don't solve it.  


One thing I think a lot of newbies and mid-rangers like me struggle to get a 
handle on, is how  X windows really works and why these odd 
permssions-to-screens are managed. 

More confusingly,  the client I'm using is Lubuntu 18.04,  which is
Ubuntu but with LXDE in place of Gnome,  and (I think)  LXQt this time ?
or is that not default ?   Or is it Wayland ?   forgive me but how are
we non-experts to work out which of these esoteric screen drive
structures is in use, with the choices so much in flux ?

I think some forums consider this 'worked around'  -  it's not for me,
its a live issue and there's no fix I've found yet.


All constructive advice very much appreciated.  

thanks
Mike
London

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Title:
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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[jerrylamos]

"Wayland" doesn't appear to care how many bugs they have created with
their philosophical decision to not allow actions like "sudo synaptic"
starting a graphical application from the command line.  Is there any
rationale??

Thanks, Jerry

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Mark]

@PeterPall, why did you make bug #1551951 a duplicate of this bug? See
comments 7 & 8 in bug #1551951 for explanation of why I separated all
the Synaptic bugs from this bug in the first place.

This bug is a generic bug stating that graphical suid applications do
not work on Wayland. This is *by design* therefore this bug will almost
certainly be closed WONTFIX. The correct fix is for each application to
be modified to not run its GUI as root and to use polkit to elevate
privileges when it needs to write to files. Therefore there needs to be
a bug for each app that can be tracked until the app is fixed. A single
bug for all these apps will make managing the fixes very difficult.

Please undo what you did and make all the Synaptic bug reports separate
again.

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Norbert]

** Tags added: bionic

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[ausboffin]

Answer #2 works but needs to be used prior to any attempt to use gui for
gedit.

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Jeff Bobski]

answer #2 worked for me. could start synaptic again on Ubuntu 17.10

Intel® Core™ i5-6500 CPU @ 3.20GHz × 4 
Intel® HD Graphics 530 (Skylake GT2)
3.26.2
64-bit

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[AboAlfadl]

Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect:
Connection refused

(gedit:3053): Gtk-WARNING **: cannot open display: :0


** Also affects: update-manager
   Importance: Undecided
   Status: New

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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Re: [Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Stephen Allen]

It's a bug in the individual packages, not Wayland.

On Fri, Oct 27, 2017 at 7:05 PM steve lubbs <1712...@bugs.launchpad.net>
wrote:

> A Complaint: The work-arounds given here no longer function after the
> recent updates. WTF! How about fixing this requirements-related bug so I
> can partition my new drive? Barring that give me an Ubuntu-supported
> path back to 17.04 that doesn't involve my losing all my data.
>
> A Suggestion: provide a configuration option to turn this behavior off
> in setup. It would still be annoying but at least we would be able to
> get our work done. Oh, and how about ASSIGNING someone to fix the bloody
> bug???
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1705955).
> https://bugs.launchpad.net/bugs/1712089
>
> Title:
>   Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
>   connect: Connection refused
>
> Status in synaptic package in Ubuntu:
>   Triaged
>
> Bug description:
>   List of pkexec'ed applications is located in bug 1713313.
>   List of packages which use su-to-root and gksu/gksudo is located in bug
> 1713311.
>
>
> -
>   pkexec'ed applications may be healed with "xhost +si:localuser:root"
> placed in XDG autostart as follows:
>
>   cat <   [Desktop Entry]
>   Name=xhost
>   Comment=Fix graphical root applications
>   Exec="xhost +si:localuser:root"
>   Terminal=false
>   Type=Application
>   EOF
>
>
> -
>
>   Posting here what gnome says about porting to wayland, and their
>   tests:
>
>   GNOME Applications under Wayland
>   GTK+ has a Wayland backend. If it was enabled at compile-time, you can
> run a GTK+ application under Wayland simply by:
>
>   GDK_BACKEND=wayland gnome-calculator
>   Applications that use Clutter or clutter-gtk also need the Clutter
> Wayland backend enabled:
>
>   GDK_BACKEND=wayland CLUTTER_BACKEND=wayland cheese
>
>   https://wiki.gnome.org/Initiatives/Wayland/Applications
>
>   ==> so hope the settings are well set at compile time; maybe a
>   rebuilt to get sure all apps are ok.
>
>
> 
>
>   With the today packages upgrade, switching from X11 to wayland,
>   synaptic refuse to load/open:
>
>   from the icon into the dash-to-dock, nothing happen
>   from the terminal:
>
>   sudo synaptic
>   [sudo] password for oem:
>   Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect:
> Connection refused
>
>   (synaptic:2154): Gtk-WARNING **: cannot open display: :0
>
>   Previous days already have switching some packages to wayland, but
>   synaptic was still working. Its only with the today upgrades, after a
>   cold reboot, that synaptic gui is broken.
>
>   Today possibly sources problem:
>
>   Unpacking console-setup-linux (1.142ubuntu7) over (1.142ubuntu5) ...
>
>   Unpacking console-setup (1.142ubuntu7) over (1.142ubuntu5) ...
>
>   Unpacking keyboard-configuration (1.142ubuntu7) over (1.142ubuntu5)
>   ...
>
>   Unpacking gnome-session-bin (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
>   ...
>
>   Unpacking gdm3 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
>
>   Unpacking libgdm1 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
>
>   Unpacking gir1.2-gdm-1.0 (3.25.90.1-0ubuntu2) over
>   (3.25.90.1-0ubuntu1) ...
>
>   Unpacking ubuntu-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
>   ...
>
>   Unpacking gnome-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
>   ...
>   Unpacking gnome-session-common (3.24.1-0ubuntu22) over
> (3.24.1-0ubuntu21) ...
>   Setting up keyboard-configuration (1.142ubuntu7) ...
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 17.10
>   Package: synaptic 0.84.2
>   ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
>   Uname: Linux 4.12.0-12-generic x86_64
>   ApportVersion: 2.20.6-0ubuntu6
>   Architecture: amd64
>   CurrentDesktop: GNOME
>   Date: Mon Aug 21 16:21:47 2017
>   EcryptfsInUse: Yes
>   SourcePackage: synaptic
>   UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/synaptic/+bug/1712089/+subscriptions
>
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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[steve lubbs]

A Complaint: The work-arounds given here no longer function after the
recent updates. WTF! How about fixing this requirements-related bug so I
can partition my new drive? Barring that give me an Ubuntu-supported
path back to 17.04 that doesn't involve my losing all my data.

A Suggestion: provide a configuration option to turn this behavior off
in setup. It would still be annoying but at least we would be able to
get our work done. Oh, and how about ASSIGNING someone to fix the bloody
bug???

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Mark]

> ah, the xhost command still works, even though on wayland; I didn't
expect that.

That's because with xhost set, apps fall back to using XWayland. At some
point in the future XWayland will disappear and this hack will no longer
work.

Comments in https://bugzilla.redhat.com/show_bug.cgi?id=1274451 suggest
that the xhost hack opens up potential security holes allowing anything
run by root to connect to your session.

BTW, unlike here, that bug contains an explanation of why the xhost hack
(currently) works.

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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Re: [Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[indium]

ah, the xhost command still works, even though on wayland; I didn't expect 
that. 
executing the below xhost on the command line worked, so I assume the creation 
of the xhost.desktop file (described below) will indeed do the trick.
thanks! 

On Tue, Oct 24, 2017 at 01:23:12PM -, jervin wrote:
> sudo gedit fstab
> Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: 
> Connection refused
> 
> (gedit:17700): Gtk-WARNING **: cannot open display: :0
> 
> -- 
> You received this bug notification because you are subscribed to a
> duplicate bug report (1726742).
> https://bugs.launchpad.net/bugs/1712089
> 
> Title:
>   Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
>   connect: Connection refused
> 
> Status in synaptic package in Ubuntu:
>   Triaged
> 
> Bug description:
>   List of pkexec'ed applications is located in bug 1713313.
>   List of packages which use su-to-root and gksu/gksudo is located in bug 
> 1713311.
> 
>   
> -
>   pkexec'ed applications may be healed with "xhost +si:localuser:root" placed 
> in XDG autostart as follows:
> 
>   cat <   [Desktop Entry]
>   Name=xhost
>   Comment=Fix graphical root applications
>   Exec="xhost +si:localuser:root"
>   Terminal=false
>   Type=Application
>   EOF
> 
>   
> -
> 
>   Posting here what gnome says about porting to wayland, and their
>   tests:
> 
>   GNOME Applications under Wayland
>   GTK+ has a Wayland backend. If it was enabled at compile-time, you can run 
> a GTK+ application under Wayland simply by:
> 
>   GDK_BACKEND=wayland gnome-calculator
>   Applications that use Clutter or clutter-gtk also need the Clutter Wayland 
> backend enabled:
> 
>   GDK_BACKEND=wayland CLUTTER_BACKEND=wayland cheese
> 
>   https://wiki.gnome.org/Initiatives/Wayland/Applications
> 
>   ==> so hope the settings are well set at compile time; maybe a
>   rebuilt to get sure all apps are ok.
> 
>   
> 
> 
>   With the today packages upgrade, switching from X11 to wayland,
>   synaptic refuse to load/open:
> 
>   from the icon into the dash-to-dock, nothing happen
>   from the terminal:
> 
>   sudo synaptic
>   [sudo] password for oem:
>   Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: 
> Connection refused
> 
>   (synaptic:2154): Gtk-WARNING **: cannot open display: :0
> 
>   Previous days already have switching some packages to wayland, but
>   synaptic was still working. Its only with the today upgrades, after a
>   cold reboot, that synaptic gui is broken.
> 
>   Today possibly sources problem:
> 
>   Unpacking console-setup-linux (1.142ubuntu7) over (1.142ubuntu5) ...
> 
>   Unpacking console-setup (1.142ubuntu7) over (1.142ubuntu5) ...
> 
>   Unpacking keyboard-configuration (1.142ubuntu7) over (1.142ubuntu5)
>   ...
> 
>   Unpacking gnome-session-bin (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
>   ...
> 
>   Unpacking gdm3 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
> 
>   Unpacking libgdm1 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
> 
>   Unpacking gir1.2-gdm-1.0 (3.25.90.1-0ubuntu2) over
>   (3.25.90.1-0ubuntu1) ...
> 
>   Unpacking ubuntu-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
>   ...
> 
>   Unpacking gnome-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
>   ...
>   Unpacking gnome-session-common (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) 
> ...
>   Setting up keyboard-configuration (1.142ubuntu7) ...
> 
>   ProblemType: Bug
>   DistroRelease: Ubuntu 17.10
>   Package: synaptic 0.84.2
>   ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
>   Uname: Linux 4.12.0-12-generic x86_64
>   ApportVersion: 2.20.6-0ubuntu6
>   Architecture: amd64
>   CurrentDesktop: GNOME
>   Date: Mon Aug 21 16:21:47 2017
>   EcryptfsInUse: Yes
>   SourcePackage: synaptic
>   UpgradeStatus: No upgrade log present (probably fresh install)
> 
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/synaptic/+bug/1712089/+subscriptions

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Mark]

Re comment #21, according to
https://bugzilla.redhat.com/show_bug.cgi?id=1274451

"GEdit now (on Gnome 3.24) has a mode where it can transparently edit
files with root permissions without running as root."

However I've not been able to find any trace of that in the GEdit
included with Ubuntu 17.10.

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[jervin]

sudo gedit fstab
Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: 
Connection refused

(gedit:17700): Gtk-WARNING **: cannot open display: :0

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[cirrus]

** Information type changed from Public to Public Security

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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Re: [Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Stephen Allen]

Thanks a lot! I've got a script that I run on each login to fix that.

On Sun, Oct 22, 2017 at 8:01 PM Mark <1712...@bugs.launchpad.net> wrote:

> According to https://bugzilla.redhat.com/show_bug.cgi?id=1274451 there
> are no plans for Wayland to support running graphical applications as
> root so that bug has been closed as WONTFIX. The correct fix is for
> Synaptic, and other graphical apps needing root, to be rewritten to run
> the GUI as a normal user and to use "polkit" for the parts where they
> need root access.
>
>
> ** Bug watch added: Red Hat Bugzilla #1274451
>https://bugzilla.redhat.com/show_bug.cgi?id=1274451
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1705955).
> https://bugs.launchpad.net/bugs/1712089
>
> Title:
>   Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
>   connect: Connection refused
>
> Status in synaptic package in Ubuntu:
>   Triaged
>
> Bug description:
>   List of pkexec'ed applications is located in bug 1713313.
>   List of packages which use su-to-root and gksu/gksudo is located in bug
> 1713311.
>
>
> -
>   pkexec'ed applications may be healed with "xhost +si:localuser:root"
> placed in XDG autostart as follows:
>
>   cat <   [Desktop Entry]
>   Name=xhost
>   Comment=Fix graphical root applications
>   Exec="xhost +si:localuser:root"
>   Terminal=false
>   Type=Application
>   EOF
>
>
> -
>
>   Posting here what gnome says about porting to wayland, and their
>   tests:
>
>   GNOME Applications under Wayland
>   GTK+ has a Wayland backend. If it was enabled at compile-time, you can
> run a GTK+ application under Wayland simply by:
>
>   GDK_BACKEND=wayland gnome-calculator
>   Applications that use Clutter or clutter-gtk also need the Clutter
> Wayland backend enabled:
>
>   GDK_BACKEND=wayland CLUTTER_BACKEND=wayland cheese
>
>   https://wiki.gnome.org/Initiatives/Wayland/Applications
>
>   ==> so hope the settings are well set at compile time; maybe a
>   rebuilt to get sure all apps are ok.
>
>
> 
>
>   With the today packages upgrade, switching from X11 to wayland,
>   synaptic refuse to load/open:
>
>   from the icon into the dash-to-dock, nothing happen
>   from the terminal:
>
>   sudo synaptic
>   [sudo] password for oem:
>   Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect:
> Connection refused
>
>   (synaptic:2154): Gtk-WARNING **: cannot open display: :0
>
>   Previous days already have switching some packages to wayland, but
>   synaptic was still working. Its only with the today upgrades, after a
>   cold reboot, that synaptic gui is broken.
>
>   Today possibly sources problem:
>
>   Unpacking console-setup-linux (1.142ubuntu7) over (1.142ubuntu5) ...
>
>   Unpacking console-setup (1.142ubuntu7) over (1.142ubuntu5) ...
>
>   Unpacking keyboard-configuration (1.142ubuntu7) over (1.142ubuntu5)
>   ...
>
>   Unpacking gnome-session-bin (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
>   ...
>
>   Unpacking gdm3 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
>
>   Unpacking libgdm1 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
>
>   Unpacking gir1.2-gdm-1.0 (3.25.90.1-0ubuntu2) over
>   (3.25.90.1-0ubuntu1) ...
>
>   Unpacking ubuntu-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
>   ...
>
>   Unpacking gnome-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
>   ...
>   Unpacking gnome-session-common (3.24.1-0ubuntu22) over
> (3.24.1-0ubuntu21) ...
>   Setting up keyboard-configuration (1.142ubuntu7) ...
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 17.10
>   Package: synaptic 0.84.2
>   ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
>   Uname: Linux 4.12.0-12-generic x86_64
>   ApportVersion: 2.20.6-0ubuntu6
>   Architecture: amd64
>   CurrentDesktop: GNOME
>   Date: Mon Aug 21 16:21:47 2017
>   EcryptfsInUse: Yes
>   SourcePackage: synaptic
>   UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/synaptic/+bug/1712089/+subscriptions
>
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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Mark]

According to https://bugzilla.redhat.com/show_bug.cgi?id=1274451 there
are no plans for Wayland to support running graphical applications as
root so that bug has been closed as WONTFIX. The correct fix is for
Synaptic, and other graphical apps needing root, to be rewritten to run
the GUI as a normal user and to use "polkit" for the parts where they
need root access.


** Bug watch added: Red Hat Bugzilla #1274451
   https://bugzilla.redhat.com/show_bug.cgi?id=1274451

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Norbert]

Got this warning message on "dpkg-reconfigure keyboard-configuration":

$ sudo dpkg-reconfigure keyboard-configuration
[sudo] password for artful: 
Invalid MIT-MAGIC-COOKIE-1 keyCannot open display ":0"
Your console font configuration will be updated the next time your system
boots. If you want to update it now, run 'setupcon' from a virtual console.
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools (0.125ubuntu11) ...
update-initramfs: Generating /boot/initrd.img-4.13.0-12-generic

Should we add `debconf` to bug-reports?

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Norbert]

** Description changed:

- The full list of pkexec'ed applications is located in bug 1713313. It is
- long.
+ List of pkexec'ed applications is located in bug 1713313. 
+ List of packages which use su-to-root and gksu/gksudo is located in bug 
1713311.
  
+ -
  Posting here what gnome says about porting to wayland, and their tests:
  
  GNOME Applications under Wayland
  GTK+ has a Wayland backend. If it was enabled at compile-time, you can run a 
GTK+ application under Wayland simply by:
  
  GDK_BACKEND=wayland gnome-calculator
  Applications that use Clutter or clutter-gtk also need the Clutter Wayland 
backend enabled:
  
  GDK_BACKEND=wayland CLUTTER_BACKEND=wayland cheese
  
  https://wiki.gnome.org/Initiatives/Wayland/Applications
  
  ==> so hope the settings are well set at compile time; maybe a
  rebuilt to get sure all apps are ok.
  
  

  
  With the today packages upgrade, switching from X11 to wayland, synaptic
  refuse to load/open:
  
  from the icon into the dash-to-dock, nothing happen
  from the terminal:
  
  sudo synaptic
  [sudo] password for oem:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: 
Connection refused
  
  (synaptic:2154): Gtk-WARNING **: cannot open display: :0
  
  Previous days already have switching some packages to wayland, but
  synaptic was still working. Its only with the today upgrades, after a
  cold reboot, that synaptic gui is broken.
  
  Today possibly sources problem:
  
  Unpacking console-setup-linux (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking console-setup (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking keyboard-configuration (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking gnome-session-bin (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
  ...
  
  Unpacking gdm3 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
  
  Unpacking libgdm1 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
  
  Unpacking gir1.2-gdm-1.0 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1)
  ...
  
  Unpacking ubuntu-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  
  Unpacking gnome-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  ...
  Unpacking gnome-session-common (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  Setting up keyboard-configuration (1.142ubuntu7) ...
  
  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: synaptic 0.84.2
  ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
  Uname: Linux 4.12.0-12-generic x86_64
  ApportVersion: 2.20.6-0ubuntu6
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Mon Aug 21 16:21:47 2017
  EcryptfsInUse: Yes
  SourcePackage: synaptic
  UpgradeStatus: No upgrade log present (probably fresh install)

** Description changed:

- List of pkexec'ed applications is located in bug 1713313. 
+ List of pkexec'ed applications is located in bug 1713313.
  List of packages which use su-to-root and gksu/gksudo is located in bug 
1713311.
  
  -
+ pkexec'ed applications may be healed with "xhost +si:localuser:root" placed 
in XDG autostart as follows:
+ 
+ cat  so hope the settings are well set at compile time; maybe a
  rebuilt to get sure all apps are ok.
  
  

  
  With the today packages upgrade, switching from X11 to wayland, synaptic
  refuse to load/open:
  
  from the icon into the dash-to-dock, nothing happen
  from the terminal:
  
  sudo synaptic
  [sudo] password for oem:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: 
Connection refused
  
  (synaptic:2154): Gtk-WARNING **: cannot open display: :0
  
  Previous days already have switching some packages to wayland, but
  synaptic was still working. Its only with the today upgrades, after a
  cold reboot, that synaptic gui is broken.
  
  Today possibly sources problem:
  
  Unpacking console-setup-linux (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking console-setup (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking keyboard-configuration (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking gnome-session-bin (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
  ...
  
  Unpacking gdm3 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
  
  Unpacking libgdm1 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
  
  Unpacking gir1.2-gdm-1.0 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1)
  ...
  
  Unpacking ubuntu-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  
  Unpacking gnome-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  ...
  Unpacking gnome-session-common 

Re: [Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Stephen Allen]

Affects Bleachbit too. Ubuntu 11.10 vanilla gnome-session.

On Fri, Oct 6, 2017 at 6:25 AM Norbert <1712...@bugs.launchpad.net>
wrote:

> @matej
> please describe when and why GNU Octave needs root access.
> You can post answer here, or mark bug 1713313 as affecting Octave package
> (use "Also affects distribution/package" link) with corresponding comment.
>
> ** Description changed:
>
> + The full list of pkexec'ed applications is located in bug 1713313. It is
> + long.
> +
>   Posting here what gnome says about porting to wayland, and their tests:
>
>   GNOME Applications under Wayland
>   GTK+ has a Wayland backend. If it was enabled at compile-time, you can
> run a GTK+ application under Wayland simply by:
>
>   GDK_BACKEND=wayland gnome-calculator
>   Applications that use Clutter or clutter-gtk also need the Clutter
> Wayland backend enabled:
>
>   GDK_BACKEND=wayland CLUTTER_BACKEND=wayland cheese
>
>   https://wiki.gnome.org/Initiatives/Wayland/Applications
>
>   ==> so hope the settings are well set at compile time; maybe a
>   rebuilt to get sure all apps are ok.
>
>
> 
>
>   With the today packages upgrade, switching from X11 to wayland, synaptic
>   refuse to load/open:
>
>   from the icon into the dash-to-dock, nothing happen
>   from the terminal:
>
>   sudo synaptic
>   [sudo] password for oem:
>   Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect:
> Connection refused
>
>   (synaptic:2154): Gtk-WARNING **: cannot open display: :0
>
>   Previous days already have switching some packages to wayland, but
>   synaptic was still working. Its only with the today upgrades, after a
>   cold reboot, that synaptic gui is broken.
>
>   Today possibly sources problem:
>
>   Unpacking console-setup-linux (1.142ubuntu7) over (1.142ubuntu5) ...
>
>   Unpacking console-setup (1.142ubuntu7) over (1.142ubuntu5) ...
>
>   Unpacking keyboard-configuration (1.142ubuntu7) over (1.142ubuntu5) ...
>
>   Unpacking gnome-session-bin (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
>   ...
>
>   Unpacking gdm3 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
>
>   Unpacking libgdm1 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
>
>   Unpacking gir1.2-gdm-1.0 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1)
>   ...
>
>   Unpacking ubuntu-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
>
>   Unpacking gnome-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
>   ...
>   Unpacking gnome-session-common (3.24.1-0ubuntu22) over
> (3.24.1-0ubuntu21) ...
>   Setting up keyboard-configuration (1.142ubuntu7) ...
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 17.10
>   Package: synaptic 0.84.2
>   ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
>   Uname: Linux 4.12.0-12-generic x86_64
>   ApportVersion: 2.20.6-0ubuntu6
>   Architecture: amd64
>   CurrentDesktop: GNOME
>   Date: Mon Aug 21 16:21:47 2017
>   EcryptfsInUse: Yes
>   SourcePackage: synaptic
>   UpgradeStatus: No upgrade log present (probably fresh install)
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1705955).
> https://bugs.launchpad.net/bugs/1712089
>
> Title:
>   Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
>   connect: Connection refused
>
> Status in synaptic package in Ubuntu:
>   Triaged
>
> Bug description:
>   The full list of pkexec'ed applications is located in bug 1713313. It
>   is long.
>
>   Posting here what gnome says about porting to wayland, and their
>   tests:
>
>   GNOME Applications under Wayland
>   GTK+ has a Wayland backend. If it was enabled at compile-time, you can
> run a GTK+ application under Wayland simply by:
>
>   GDK_BACKEND=wayland gnome-calculator
>   Applications that use Clutter or clutter-gtk also need the Clutter
> Wayland backend enabled:
>
>   GDK_BACKEND=wayland CLUTTER_BACKEND=wayland cheese
>
>   https://wiki.gnome.org/Initiatives/Wayland/Applications
>
>   ==> so hope the settings are well set at compile time; maybe a
>   rebuilt to get sure all apps are ok.
>
>
> 
>
>   With the today packages upgrade, switching from X11 to wayland,
>   synaptic refuse to load/open:
>
>   from the icon into the dash-to-dock, nothing happen
>   from the terminal:
>
>   sudo synaptic
>   [sudo] password for oem:
>   Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect:
> Connection refused
>
>   (synaptic:2154): Gtk-WARNING **: cannot open display: :0
>
>   Previous days already have switching some packages to wayland, but
>   synaptic was still working. Its only with the today upgrades, after a
>   cold reboot, that synaptic gui is broken.
>
>   Today possibly sources problem:
>
>   Unpacking console-setup-linux 

[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Norbert]

@matej
please describe when and why GNU Octave needs root access.
You can post answer here, or mark bug 1713313 as affecting Octave package (use 
"Also affects distribution/package" link) with corresponding comment.

** Description changed:

+ The full list of pkexec'ed applications is located in bug 1713313. It is
+ long.
+ 
  Posting here what gnome says about porting to wayland, and their tests:
  
  GNOME Applications under Wayland
  GTK+ has a Wayland backend. If it was enabled at compile-time, you can run a 
GTK+ application under Wayland simply by:
  
  GDK_BACKEND=wayland gnome-calculator
  Applications that use Clutter or clutter-gtk also need the Clutter Wayland 
backend enabled:
  
  GDK_BACKEND=wayland CLUTTER_BACKEND=wayland cheese
  
  https://wiki.gnome.org/Initiatives/Wayland/Applications
  
  ==> so hope the settings are well set at compile time; maybe a
  rebuilt to get sure all apps are ok.
  
  

  
  With the today packages upgrade, switching from X11 to wayland, synaptic
  refuse to load/open:
  
  from the icon into the dash-to-dock, nothing happen
  from the terminal:
  
  sudo synaptic
  [sudo] password for oem:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: 
Connection refused
  
  (synaptic:2154): Gtk-WARNING **: cannot open display: :0
  
  Previous days already have switching some packages to wayland, but
  synaptic was still working. Its only with the today upgrades, after a
  cold reboot, that synaptic gui is broken.
  
  Today possibly sources problem:
  
  Unpacking console-setup-linux (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking console-setup (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking keyboard-configuration (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking gnome-session-bin (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
  ...
  
  Unpacking gdm3 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
  
  Unpacking libgdm1 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
  
  Unpacking gir1.2-gdm-1.0 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1)
  ...
  
  Unpacking ubuntu-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  
  Unpacking gnome-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  ...
  Unpacking gnome-session-common (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  Setting up keyboard-configuration (1.142ubuntu7) ...
  
  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: synaptic 0.84.2
  ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
  Uname: Linux 4.12.0-12-generic x86_64
  ApportVersion: 2.20.6-0ubuntu6
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Mon Aug 21 16:21:47 2017
  EcryptfsInUse: Yes
  SourcePackage: synaptic
  UpgradeStatus: No upgrade log present (probably fresh install)

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[matej]

Ubuntu 17.10 beta installed on 6.10.2017:
Still the same problem, not only with synaptic but also octave wouldn't work 
properly, gave similar error. 

Solution was, as posted by dino99 to type: xhost +si:localuser:root.

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Norbert]

Ubuntu 17.10 with all updates, bug is not fixed. Still can't use
Synaptic on Wayland.

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[dino99]

Debian report: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=872553

** Bug watch added: Debian Bug tracker #872553
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=872553

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Norbert]

@PeterPall (peterpall) 
The full list of pkexec'ed applications is located in bug 1713313. It is long.

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[PeterPall]

In artful the problem seems no more be limited to wayland, but to extend
to all kinds of gnome session.

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[dino99]

** Description changed:

  Posting here what gnome says about porting to wayland, and their tests:
  
  GNOME Applications under Wayland
  GTK+ has a Wayland backend. If it was enabled at compile-time, you can run a 
GTK+ application under Wayland simply by:
  
  GDK_BACKEND=wayland gnome-calculator
  Applications that use Clutter or clutter-gtk also need the Clutter Wayland 
backend enabled:
  
  GDK_BACKEND=wayland CLUTTER_BACKEND=wayland cheese
  
  https://wiki.gnome.org/Initiatives/Wayland/Applications
  
- ==> so maybe a simple rebuilt can do the trick
+ ==> so hope the settings are well set at compile time; maybe a
+ rebuilt to get sure all apps are ok.
  
  

- 
  
  With the today packages upgrade, switching from X11 to wayland, synaptic
  refuse to load/open:
  
  from the icon into the dash-to-dock, nothing happen
  from the terminal:
  
  sudo synaptic
  [sudo] password for oem:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: 
Connection refused
  
  (synaptic:2154): Gtk-WARNING **: cannot open display: :0
  
  Previous days already have switching some packages to wayland, but
  synaptic was still working. Its only with the today upgrades, after a
  cold reboot, that synaptic gui is broken.
  
  Today possibly sources problem:
  
  Unpacking console-setup-linux (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking console-setup (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking keyboard-configuration (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking gnome-session-bin (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
  ...
  
  Unpacking gdm3 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
  
  Unpacking libgdm1 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
  
  Unpacking gir1.2-gdm-1.0 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1)
  ...
  
  Unpacking ubuntu-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  
  Unpacking gnome-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  ...
  Unpacking gnome-session-common (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  Setting up keyboard-configuration (1.142ubuntu7) ...
  
  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: synaptic 0.84.2
  ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
  Uname: Linux 4.12.0-12-generic x86_64
  ApportVersion: 2.20.6-0ubuntu6
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Mon Aug 21 16:21:47 2017
  EcryptfsInUse: Yes
  SourcePackage: synaptic
  UpgradeStatus: No upgrade log present (probably fresh install)

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[dino99]

** Description changed:

+ Posting here what gnome says about porting to wayland, and their tests:
+ 
+ GNOME Applications under Wayland
+ GTK+ has a Wayland backend. If it was enabled at compile-time, you can run a 
GTK+ application under Wayland simply by:
+ 
+ GDK_BACKEND=wayland gnome-calculator
+ Applications that use Clutter or clutter-gtk also need the Clutter Wayland 
backend enabled:
+ 
+ GDK_BACKEND=wayland CLUTTER_BACKEND=wayland cheese
+ 
+ https://wiki.gnome.org/Initiatives/Wayland/Applications
+ 
+ ==> so maybe a simple rebuilt can do the trick
+ 
+ 

+ 
+ 
  With the today packages upgrade, switching from X11 to wayland, synaptic
  refuse to load/open:
  
  from the icon into the dash-to-dock, nothing happen
  from the terminal:
  
  sudo synaptic
  [sudo] password for oem:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: 
Connection refused
  
  (synaptic:2154): Gtk-WARNING **: cannot open display: :0
  
  Previous days already have switching some packages to wayland, but
  synaptic was still working. Its only with the today upgrades, after a
  cold reboot, that synaptic gui is broken.
  
  Today possibly sources problem:
  
  Unpacking console-setup-linux (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking console-setup (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking keyboard-configuration (1.142ubuntu7) over (1.142ubuntu5) ...
  
  Unpacking gnome-session-bin (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
  ...
  
  Unpacking gdm3 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
  
  Unpacking libgdm1 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
  
  Unpacking gir1.2-gdm-1.0 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1)
  ...
  
  Unpacking ubuntu-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  
  Unpacking gnome-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  ...
  Unpacking gnome-session-common (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
  Setting up keyboard-configuration (1.142ubuntu7) ...
  
  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: synaptic 0.84.2
  ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
  Uname: Linux 4.12.0-12-generic x86_64
  ApportVersion: 2.20.6-0ubuntu6
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Mon Aug 21 16:21:47 2017
  EcryptfsInUse: Yes
  SourcePackage: synaptic
  UpgradeStatus: No upgrade log present (probably fresh install)

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Norbert]

Just installed Artful x86 on USB-flash.

Without xhost commands Synaptic does not start with
$ synaptic-pkexec 
No protocol specified
Unable to init server: Could not connect: Connection refused

(synaptic:1688): Gtk-WARNING **: cannot open display: :0

After setting xhost Synaptic starts.
Gparted and backintime (see 1713313) may be fixed with xhost command.


As I predict zenmap (as root) and other at least 18 applications too (see bug 
1713311). They use su-to-root from menu package. Setting "xhost 
+si:localuser:root" does not help for them (produce another messages: in 
console "Error copying '/home/artful/.Xauthority' to '/tmp/libgksu-VXhFz5': No 
such file or directory
" and window with "Failed to run zenmap as user root.
Unable to copy the user's Xauthorization file.").

I'm not an expert, but it seems that `su-to-root` must be changed to
`pkexec` anywhere to lower user disappointment.

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Norbert]

Just installed Artful x86 on USB-flash.

Without xhost commands Synaptic does not start with
$ synaptic-pkexec 
No protocol specified
Unable to init server: Could not connect: Connection refused

(synaptic:1688): Gtk-WARNING **: cannot open display: :0

After setting xhost Synaptic starts.


As I predict zenmap (as root) is affected too (see bug 1713311).

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Norbert]

cat 

[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[dino99]

@John

a more sophisticated workaround:
https://ask.fedoraproject.org/en/question/108631/running-command-after-gnome-login/

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[dino99]

Discussed on Debian mailing list:
https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1541135.html

(Xwayland authorization not configured)

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[John Pye]

Annoying -- the developers over at Fedora seem to suggest that there is
an unwillingness to provide support for any GUI that runs as root.
Surely a problem for many admin tools like this?

Workaround is easy though:

command-line:
xhost + && sudo synaptic && xhost -

Probably there is something similar that could be done to change the
launcher for synaptic, along similar lines?

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Jean-Baptiste Lallement]

Thanks for your report.

This is a known issue with wayland and documented on
https://fedoraproject.org/wiki/How_to_debug_Wayland_problems#Graphical_applications_can.27t_be_run_as_root_from_terminal

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[Jean-Baptiste Lallement]

Thanks for your report.

This is a known issue with wayland and documented on
https://fedoraproject.org/wiki/How_to_debug_Wayland_problems#Graphical_applications_can.27t_be_run_as_root_from_terminal

** Tags added: wayland

** Changed in: synaptic (Ubuntu)
   Importance: Undecided => High

** Changed in: synaptic (Ubuntu)
   Status: New => Triaged

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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[Bug 1712089] Re: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

[dino99]

Workaround typed into a terminal:   xhost +si:localuser:root

then 'sudo synaptic' works as usual

** Description changed:

  With the today packages upgrade, switching from X11 to wayland, synaptic
  refuse to load/open:
  
  from the icon into the dash-to-dock, nothing happen
  from the terminal:
  
  sudo synaptic
- [sudo] password for oem: 
+ [sudo] password for oem:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: 
Connection refused
  
  (synaptic:2154): Gtk-WARNING **: cannot open display: :0
  
  Previous days already have switching some packages to wayland, but
  synaptic was still working. Its only with the today upgrades, after a
  cold reboot, that synaptic gui is broken.
+ 
+ Today possibly sources problem:
+ 
+ Unpacking console-setup-linux (1.142ubuntu7) over (1.142ubuntu5) ...
+ 
+ Unpacking console-setup (1.142ubuntu7) over (1.142ubuntu5) ...
+ 
+ Unpacking keyboard-configuration (1.142ubuntu7) over (1.142ubuntu5) ...
+ 
+ Unpacking gnome-session-bin (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
+ ...
+ 
+ Unpacking gdm3 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
+ 
+ Unpacking libgdm1 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
+ 
+ Unpacking gir1.2-gdm-1.0 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1)
+ ...
+ 
+ Unpacking ubuntu-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
+ 
+ Unpacking gnome-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
+ ...
+ Unpacking gnome-session-common (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
+ Setting up keyboard-configuration (1.142ubuntu7) ...
  
  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: synaptic 0.84.2
  ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
  Uname: Linux 4.12.0-12-generic x86_64
  ApportVersion: 2.20.6-0ubuntu6
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Mon Aug 21 16:21:47 2017
  EcryptfsInUse: Yes
  SourcePackage: synaptic
  UpgradeStatus: No upgrade log present (probably fresh install)

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Title:
  Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
  connect: Connection refused

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