[X2Go-User] ubuntu 14.04 desktop black screen on connect

[Cristina Tanzi Tolenti]

Il 29/05/2014 15:12, Michael DePaulo ha scritto:
> On Thu, May 29, 2014 at 6:19 AM, Cristina Tanzi Tolenti
> <cristina.tanzitolenti at provincia.cremona.it> wrote:
>> Hi,
>> I install x2goserver on my new desktop Ubuntu 14.04 (gnome-shell) and I
>> would like to connect it with another Ubuntu or Windows over my lan. I
>> choose gnome as session and when I try to connect I obtain a black screen.
>> Help me please!! :-)
>> Thanks
>> Cristina
> Hi Cristina,
>
> Sorry that you are running into the issue.
>
> 1st of all, because you are on Ubuntu 14.04, it would be easiest if
> you would use a desktop environment other than GNOME3 or UNITY. KDE,
> XFCE and LXDE are included in Ubuntu 14.04 and work fine with X2Go.
> You can also install MATE (the fork of GNOME2) from
> http://mate-desktop.org/ . There are other desktop environments that I
> haven't listed.
>
> However, it is possible to make GNOME3 work on Ubuntu 14.04. GNOME3
> will use gnome-panel, not gnome-shell. There will also be bugs. For
> example, the desktop wallpaper does not show up
>
> The email is not showing up on lists.x2go.org or gmane.org, but Eugene
> San sent the email forwarded below with the currently available fix
> for GNOME3.
>
> His email is written from a developer's perspective. So below are user
> instructions I just wrote that you can follow.
>
> 1. Add this PPA:
> https://launchpad.net/~eugenesan/+archive/ppa?field.series_filter=trusty
> 2. Install all available updates from the PPA (if need be, I can
> narrow down which exact packages you need to update.)
> 3. Install the following packages:
> gnome-panel gnome-applets gnome-session-flashback
> 4. create the file /usr/local/bin/gnome-flashback.sh with the
> following contents:
> gnome-session --session=gnome-flashback
> 5. Make that file executable
> 6. In X2Go Client's session preferences, specify a "custom desktop"
> with the following "command":
> gnome-flashback.sh
>
> Steps 1-2 are due to a bug in Ubuntu that we hope to fix soon. (The
> bug is that gnome-session checks for 3D acceleration, even though
> gnome-flashback doesn't require it.)
>
> Step 3 will be required until we develop an easier solution for
> installing those packages. We are thinking of creating a metapackage
> that depends on them.
>
> Steps 4-6 are due to a bug in x2goserver that has already been fixed
> in our git repo. When x2goserver 4.0.1.16 is released, it will contain
> the fix, and you will merely need to select "GNOME" as the session
> type in X2Go Client instead.
>
> -Mike
>
> ---------- Forwarded message ----------
> From: Eugene San <eugenesan at gmail.com>
> Date: Sun, Apr 20, 2014 at 7:52 AM
> Subject: Re: [X2Go-Dev] FYI: I am working on x2go GNOME3 compatibility
> in Ubuntu 14.04
> To: Michael DePaulo <mikedep333 at gmail.com>
> Cc: x2go-dev at lists.x2go.org
>
>
> Hi all,
>
> Reading Michael's message and Andrew's article
> (http://www.webupd8.org/2014/04/how-to-install-and-tweak-gnome.html)
> inspired me to attempt to revive gnome-fallback (flashback) using x2go
> on Ubuntu14.04.
> Few hours later I have a solution.
> In addition to packages I was maintaining previously, I had to port
> and tweak, two more packages from gnome 3.12: gnome-desktop3 and
> gnome-session.
> You can find them at my PPA: https://launchpad.net/~eugenesan/+archive/ppa
>
> To mimic full unity-2d scheme, please follow instructions in article:
> http://www.webupd8.org/2014/04/how-to-install-and-tweak-gnome.html
> In addition to instructions in article perform next:
> 1. Install gnome-applets-window and add it's applet to panel.
> 2. Install metacity and disable window decoration in full screen by
> invoking: gsettings set org.gnome.metacity show-maximized-titlebars
> false
>      Note, there are some minor visual glitches, at which I might look later.
>
> There is also a minor change to x2goruncommand:
> <Eugene San's patch to x2goruncommand>
>
Thank you very much, it runs!!!
Cristina