Re: [X2Go-User] Run x2goDesktopSharing as service

2015-09-24 Thread Alain Aupeix
Le 24/09/2015 14:25, Stefan Baur a écrit :
> Am 24.09.2015 um 14:20 schrieb Alain Aupeix:
> > What is the difference between connecting with x2go having or not
> > activated the desktop sharing ?
>
> The difference is that with desktop sharing enabled, you can attach to
> an already running session, for example, to remotely guide/assist the
> user that is running the session (either locally on :0, or on an X2Go
> screen), while without desktop sharing, you can only attach to a
> suspended session.
> In other words, without DS, you are "stealing" the display from the
> other machine, it will disconnect there once you resume it from the
> new location.  Also, you must use the same user credentials to do
> that, while DS allows another user (admin/support staff) to see what
> the original user does (as well as control mouse and keyboard for the
> other user).
ok, that's clear

How to be able to manage the list of allowed users ?
I saw that on the x2go  newsgroup which was posted on 2012-11-23

> Adding users to x2godesktopsharing happens once another user 
> connects  to your account. The GUI, of course, can be improved here: 
> adding  users before they connect via the GUI could be a possible 
> feature  request.

A+
-- 
-
Alain Aupeix
http://jujuland.pagesperso-orange.fr/
http://pissobi-lacassagne.pagesperso-orange.fr/
-
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Re: [X2Go-User] Run x2goDesktopSharing as service

2015-09-24 Thread Stefan Baur
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Am 24.09.2015 um 14:20 schrieb Alain Aupeix:
> What is the difference between connecting with x2go having or not 
> activated the desktop sharing ?

The difference is that with desktop sharing enabled, you can attach to
an already running session, for example, to remotely guide/assist the
user that is running the session (either locally on :0, or on an X2Go
screen), while without desktop sharing, you can only attach to a
suspended session.
In other words, without DS, you are "stealing" the display from the
other machine, it will disconnect there once you resume it from the
new location.  Also, you must use the same user credentials to do
that, while DS allows another user (admin/support staff) to see what
the original user does (as well as control mouse and keyboard for the
other user).

- -Stefan

- -- 
BAUR-ITCS UG (haftungsbeschränkt)
Geschäftsführer: Stefan Baur
Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364
Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243
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Re: [X2Go-User] Run x2goDesktopSharing as service

2015-09-24 Thread Alain Aupeix
Le 24/09/2015 13:55, Stefan Baur a écrit :
> It will *not* allow logging in when there is no active session already
> present on the :n Display that you try to connect to.
>
> For example, even if you have a login manager like gdm or kdm running
> on :0, X2GoClient will not be able to "grab" that screen and share it
> using Desktop Sharing, as there is no user logged in at that very
> moment.  Only *after* logging in, the user's session can be captured
> and shared using DS - and once the user logs out, the DS session
> terminates.  That's exactly the effect you've mentioned in your first
> e-mail to the list, and this is intentional.
ok, that's something I saw in my test, as the x2go connexion was closed
using Disconnect menu
I can't reconnect while I don't connect physically on the server.

But it was not exactly the question I asked for.

What is the difference between connecting with x2go having or not
activated the desktop sharing ?

Thanks
A+
-- 
-
Alain Aupeix
http://jujuland.pagesperso-orange.fr/
http://pissobi-lacassagne.pagesperso-orange.fr/
-
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Re: [X2Go-User] Run x2goDesktopSharing as service

2015-09-24 Thread Stefan Baur
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Am 24.09.2015 um 13:51 schrieb Alain Aupeix:
> ok, forget it,
> 
> The man says its possible, when launching with the option 
> ---activate-desktop-sharing, it seems to work, but it seems that
> enabling or not the desktop sharing, I'm able to connect to the
> server. Is there a difference ?

Desktop Sharing allows you to take over a local session (:0), or an
already running X2Go Session (usually :50 and upwards).

It will *not* allow logging in when there is no active session already
present on the :n Display that you try to connect to.

For example, even if you have a login manager like gdm or kdm running
on :0, X2GoClient will not be able to "grab" that screen and share it
using Desktop Sharing, as there is no user logged in at that very
moment.  Only *after* logging in, the user's session can be captured
and shared using DS - and once the user logs out, the DS session
terminates.  That's exactly the effect you've mentioned in your first
e-mail to the list, and this is intentional.

- -Stefan

- -- 
BAUR-ITCS UG (haftungsbeschränkt)
Geschäftsführer: Stefan Baur
Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364
Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243
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Re: [X2Go-User] Run x2goDesktopSharing as service

2015-09-24 Thread Alain Aupeix
Le 24/09/2015 13:34, Stefan Baur a écrit :
> Am 24.09.2015 um 13:30 schrieb Alain Aupeix:
> > I want to be able to disconnect on the server but not the x2go
> > local connexion, and to receive the  machine's connection screen.
> > For example, on a machine (server), I have two users 'alain' and
> > 'beatrice' If I connect with x2go to alain, I want to be able to
> > disconnect from alain, without closing the x2go connection, receive
> > the connection screen, and reconnect to beatrice.
>
> > Am-I clear, and is-it possible ?
>
> No, that will not be possible.  X2Go uses the credentials you supply
> to open an SSH connection to the server, so, once you log out, the SSH
> connection closes and the server has no idea who you are.
>
> We rely on SSH here, and that protocol simply has no means of swapping
> credentials mid-session.
>
> Maybe you could explain *why* you feel you have the need to do that,
> so we can try to suggest alternatives?
ok, forget it,

The man says its possible, when launching with the option
---activate-desktop-sharing,
it seems to work, but it seems that enabling or not the desktop sharing,
I'm able to connect to the server.
Is there a difference ?

A+
-- 
-
Alain Aupeix
http://jujuland.pagesperso-orange.fr/
http://pissobi-lacassagne.pagesperso-orange.fr/
-
U.buntu 12.04 | G.ramps 3.4.9-1 | H.arbour 3.2.0dev (2015-09-07 14:28) |
HbIDE (Rev.316) | Five.Linux (r143) | Hw.Gui (2492)
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Re: [X2Go-User] Run x2goDesktopSharing as service

2015-09-24 Thread Stefan Baur
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Am 24.09.2015 um 13:30 schrieb Alain Aupeix:
> I want to be able to disconnect on the server but not the x2go
> local connexion, and to receive the  machine's connection screen. 
> For example, on a machine (server), I have two users 'alain' and
> 'beatrice' If I connect with x2go to alain, I want to be able to
> disconnect from alain, without closing the x2go connection, receive
> the connection screen, and reconnect to beatrice.
> 
> Am-I clear, and is-it possible ?

No, that will not be possible.  X2Go uses the credentials you supply
to open an SSH connection to the server, so, once you log out, the SSH
connection closes and the server has no idea who you are.

We rely on SSH here, and that protocol simply has no means of swapping
credentials mid-session.

Maybe you could explain *why* you feel you have the need to do that,
so we can try to suggest alternatives?

- -Stefan

- -- 
BAUR-ITCS UG (haftungsbeschränkt)
Geschäftsführer: Stefan Baur
Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364
Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243
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Re: [X2Go-User] Run x2goDesktopSharing as service

2015-09-24 Thread Alain Aupeix
Le 24/09/2015 13:12, Stefan Baur a écrit :
> Am 24.09.2015 um 12:59 schrieb Alain Aupeix:
> > Is-it possible to launch x2goDesktopSharing as a service when
> > launching the system (same as x2goserver), to be able to disconnect
> > of the user and reconnect to another.
>
> That sounds like you want to run X2GoClient in ThinClient mode,
> instead of your usual login manager, and run X2GoServer on the same
> machine.
>
> Not exactly a beginner's task, but I don't see why it shouldn't work.
>
> By starting an X2Go session on the same machine, you're making it
> detachable/suspendable, so that would be what you're looking for, I gues
> s.
Humm ...
I didn't say clearly what I need

I want to be able to disconnect on the server but not the x2go local
connexion, and to receive the  machine's connection screen.
For example, on a machine (server), I have two users 'alain' and 'beatrice'
If I connect with x2go to alain, I want to be able to disconnect from
alain, without closing the x2go connection, receive the connection
screen, and reconnect to beatrice.

Am-I clear, and is-it possible ?

Thanks
A+
-- 
-
Alain Aupeix
http://jujuland.pagesperso-orange.fr/
http://pissobi-lacassagne.pagesperso-orange.fr/
-
U.buntu 12.04 | G.ramps 3.4.9-1 | H.arbour 3.2.0dev (2015-09-07 14:28) |
HbIDE (Rev.316) | Five.Linux (r143) | Hw.Gui (2492)
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Re: [X2Go-User] Run x2goDesktopSharing as service

2015-09-24 Thread Stefan Baur
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Am 24.09.2015 um 12:59 schrieb Alain Aupeix:
> Is-it possible to launch x2goDesktopSharing as a service when
> launching the system (same as x2goserver), to be able to disconnect
> of the user and reconnect to another.

That sounds like you want to run X2GoClient in ThinClient mode,
instead of your usual login manager, and run X2GoServer on the same
machine.

Not exactly a beginner's task, but I don't see why it shouldn't work.

By starting an X2Go session on the same machine, you're making it
detachable/suspendable, so that would be what you're looking for, I gues
s.

An easier, yet clumsier way would be to log in as usual, but instead
of starting regular applications in that screen, fire up X2GoClient,
connect to localhost with a fullscreen session, and work with that.
Same effect - you now have a session that you can detach/suspend and
reattach from somewhere else.

- -Stefan

- -- 
BAUR-ITCS UG (haftungsbeschränkt)
Geschäftsführer: Stefan Baur
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Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243
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[X2Go-User] Run x2goDesktopSharing as service

2015-09-24 Thread Alain Aupeix
Hi,

I'm a new user.
I'm under Ubuntu 12.04 with gnome-shell and I have installed x2goclient.
With the update I have now 'X2Go Client v. 4.0.5.0 (Qt - 4.8.1)'
One another computer I have installed x2goserver and x2goDesktopSharing

Is-it possible to launch x2goDesktopSharing as a service when launching
the system (same as x2goserver), to be able to disconnect of the user
and reconnect to another.

For now, disconnecting (:0) kills the nx connexion.

I have other troubles, but I will open a new thread.

Thanks
A+
-- 

Alain Aupeix
http://jujuland.pagesperso-orange.fr/
http://pissobi-lacassagne.pagesperso-orange.fr/

U.buntu 12.04 | G.ramps 3.4.9-1 | H.arbour 3.2.0dev (2015-09-07 14:28) |
HbIDE (Rev.316) | Five.Linux (r143) | Hw.Gui (2492)

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