xfce with ssh

EgonF · 2024-01-24 10:33:51

At neuEinzel there is installed xfce and I can ask the size of a panel:

egon@neuEinzel:~
$ xfconf-query -c xfce4-panel -p /panels/panel-1/size
35
egon@neuEinzel:~
$

I can ask the same question at HeraEinzel with ssh and starting a X-server:

egon@HeraEinzel:~
$ ssh -X -f egon@neuEinzel "xfconf-query -c xfce4-panel -p /panels/panel-1/size"
egon@HeraEinzel:~
$ 35

But if I ask the same question at HeraEinzel in a ssh session I get an error:

egon@HeraEinzel:~
$ ssh neuEinzel
egon@neuEinzel:~
$ xfconf-query -c xfce4-panel -p /panels/panel-1/size
Fehler beim Initialisieren von libxfconf: D-Bus kann nicht automatisch ohne X11 $DISPLAY gestartet werden.
egon@neuEinzel:~
$

After setting DISPLAY I get another error:

egon@neuEinzel:~
$ export DISPLAY=localhost:0.0
egon@neuEinzel:~
$ xfconf-query -c xfce4-panel -p /panels/panel-1/size
Fehler beim Initialisieren von libxfconf: Fehler beim Erzeugen der Befehlszeile »dbus-launch --autolaunch=fbab367824a8c886bc87614b65998cef --binary-syntax --close-stderr«: Der Kindprozess wurde mit Status 1 beendet.
egon@neuEinzel:~
$

I set the dbus and the next error is shown:

egon@neuEinzel:~

$ export DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$UID/bus
egon@neuEinzel:~
$ xfconf-query -c xfce4-panel -p /panels/panel-1/size
Fehler beim Initialisieren von libxfconf: Verbindung ist gescheitert: Datei oder Verzeichnis nicht gefunden.

Why is there this error? What should I do?

ToZ · 2024-01-24 19:18:25

xfconf-query is dependent on xfconf running. If you are logging in through ssh, check to see if that process is running.

Fehler beim Initialisieren von libxfconf: Fehler beim Erzeugen der Befehlszeile »dbus-launch --autolaunch=fbab367824a8c886bc87614b65998cef --binary-syntax --close-stderr«: Der Kindprozess wurde mit Status 1 beendet.

Is dbus-launch installed?

EgonF · 2024-01-24 21:38:03

You can see in my post if I use xfconf-query with a X server the command runs. So xconf is there.

ToZ · 2024-01-25 00:51:34

When you run xfconf-query from within a valid X session, it will call and start xfconfd if necessary. Since you are running it from an ssh session (not a valid X session), it is having difficulty starting it. The error message you get seems to indicate that there is a problem with dbus-launch.

Can you confirm that dbus-launch is installed?

which dbus-launch

EgonF · 2024-01-25 07:58:33

Here is the answer:

egon@neuEinzel:~
$ which dbus-launch
/usr/bin/dbus-launch
egon@neuEinzel:~
$

ToZ · 2024-01-25 11:02:33

Which distro and which version of Xfce are you running?

Does this work?

dbus-launch xfconf-query -c xfce4-panel -p /panels/panel-1/size

Another option is to query the xml file directly located at ~/.config/xfce4/xfconf/xfce-perchannel-xml/xfce4-panel.xml.

EgonF · 2024-01-25 12:23:14

This works in a ssh session at HeraEinzel:

--------------------------
egon@HeraEinzel:~
$ ssh neuEinzel
Warning: Permanently added the ECDSA host key for IP address '2001:9e8:79f5:5300:880d:b5f8:defb:f4c' to the list of known hosts.
Linux neuEinzel 5.10.0-27-amd64 #1 SMP Debian 5.10.205-2 (2023-12-31) x86_64

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
You have no mail.
egon@neuEinzel:~
$ dbus-launch xfconf-query -c xfce4-panel -p /panels/panel-1/size
35
egon@neuEinzel:~
$
------------------------------------

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#1 2024-01-24 10:33:51

xfce with ssh

#2 2024-01-24 19:18:25

Re: xfce with ssh

#3 2024-01-24 21:38:03

Re: xfce with ssh

#4 2024-01-25 00:51:34

Re: xfce with ssh

#5 2024-01-25 07:58:33

Re: xfce with ssh

#6 2024-01-25 11:02:33

Re: xfce with ssh

#7 2024-01-25 12:23:14

Re: xfce with ssh

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