Re: [X2Go-User] Launchpad cleanup

2015-09-24 Thread Stefan Baur 
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Am 24.09.2015 um 12:09 schrieb Mike Gabriel:

> Actually, Robert got me correctly. I have removed the build recipes
> from X2Go's Launchpad configuration _and_ remove the packages from
> the PPAs.
> 
> As a community project, we don't support non-support Linux distros.
> If anyone needs X2Go builds for old operating systems, there are
> two possibilities (at least).

I don't see a reason why we should remove the packages that were
already built.  Not providing new packages, not caring about
dependency issues etc., not providing security fixes, ... for
unsupported distributions/releases is one thing, but deleting what
already was there?  Do we really have a good reason to annoy users
like that (space constraints on our servers or something?)?

Think of a user that is stuck with an unsupported distribution/release
for some reason or other.  Do you really want to punish that user for
not keeping a local copy of the repository?

Doesn't sound like a smart move to me ...

If we're not limited by disk space or something similar, I would
suggest moving such packages to a repo that is named
-unsupported or -outdated or -archive.
At least for the time that the main OS repository is still available
somewhere, too (think snapshots.debian.org).

- -Stefan
X2Go Project/Community Coordinator

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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+
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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+
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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

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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

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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+
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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+
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Re: [X2Go-User] Launchpad cleanup

2015-09-24 Thread Stefan Baur 
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Am 24.09.2015 um 21:34 schrieb Mike Gabriel:
> We don't want to provide old code for download containing known
> bugs and security issues.

I disagree with you here.  As long as the repo is clearly tagged
"archive", "unsupported", "outdated" or something similar, it should
be made available.
That way, people "in dire need" can download a copy from there and get
their systems up and running again, but they're also made aware of the
fact that this is not a supported, current release - with all the
functionality, dependency and security hellholes it may bring.

Unix is about freedom of possibilities - this includes the possibility
to shoot yourself in the foot if you're not careful.


>> Think of a user that is stuck with an unsupported
>> distribution/release for some reason or other.  Do you really
>> want to punish that user for not keeping a local copy of the
>> repository?
> 
> I can think of them, but as a community project, we do neither have
> man power nor resources to support those non-supported scenarios.

This is not about support.  This is simply about leaving things that
were already available where they are (alright, mv'ing them to a
slightly different location, but still, you get my point).

People expect things to be there, especially if there's no previous
announcement that a mass delete is about to happen.

So, in short: Next time, when you perform such an action, please send
out a "heads-up" message to x2go-project at least 2 weeks prior to
taking action.  If nobody steps up to mirror/move the repo, I will
then notify x2go-dev and x2go-user.

- -Stefan
X2Go Project/Community Coordinator

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Re: [X2Go-User] Launchpad cleanup

2015-09-24 Thread Robert Dinse 


 Do you know approximately how much bandwidth the current repository
eats?  And how much such a repository might be likely to eat?

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On Thu, 24 Sep 2015, Mike Gabriel wrote:


Date: Thu, 24 Sep 2015 19:34:20 +
From: Mike Gabriel 
To: Stefan Baur 
Cc: x2go-user@lists.x2go.org
Subject: Re: [X2Go-User] Launchpad cleanup

Hi Stefan,

On  Do 24 Sep 2015 12:17:58 CEST, Stefan Baur wrote:


Am 24.09.2015 um 12:09 schrieb Mike Gabriel:


Actually, Robert got me correctly. I have removed the build recipes
from X2Go's Launchpad configuration _and_ remove the packages from
the PPAs.

As a community project, we don't support non-support Linux distros.
If anyone needs X2Go builds for old operating systems, there are
two possibilities (at least).


I don't see a reason why we should remove the packages that were
already built.  Not providing new packages, not caring about
dependency issues etc., not providing security fixes, ... for
unsupported distributions/releases is one thing, but deleting what
already was there?  Do we really have a good reason to annoy users
like that (space constraints on our servers or something?)?


There is a simple reason from the past. People more than once revealed severe 
issues in X2Go software and required dependencies (that we provided via 
Launchpad). We don't want to provide old code for download containing known 
bugs and security issues.



Think of a user that is stuck with an unsupported distribution/release
for some reason or other.  Do you really want to punish that user for
not keeping a local copy of the repository?


I can think of them, but as a community project, we do neither have man power 
nor resources to support those non-supported scenarios.



Doesn't sound like a smart move to me ..


Not smart, maybe, but strict. I admit, we should have archives packages. 
Maybe someone from the devs should work on archived.x2go.org/.



If we're not limited by disk space or something similar, I would
suggest moving such packages to a repo that is named
-unsupported or -outdated or -archive.
At least for the time that the main OS repository is still available
somewhere, too (think snapshots.debian.org).


Indeed. Good point. To late for lucid now, but someone surely should work on 
such a concept and design a site for that.


Greets,
Mike


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