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Hello.
Archlinux with KDE and last Plasma 5.17, NoMachine 6.8.1-1
In this Plasma release /usr/bin/startkde script was discontinued, and for start KDE session need to use /usr/bin/startplasma-x11 binary.
When connecting to a remote machine, a “Oops! Cannot run startkde. Please ensure thet the requested application is in the system PATH and that you have appropriate credentials to execute it” message appears.
in /usr/NX/node.cfg replace
DefaultDesktopCommand “/usr/bin/dbus-launch –exit-with-session startkde”
to
DefaultDesktopCommand “/usr/bin/dbus-launch –exit-with-session startplasma-x11”
or
DefaultDesktopCommand “/usr/bin/startplasma-x11”
then restart nxserver and trying to connect again – error message “Session negotiation failure” appears
in journalctl:
[code]
окт 17 20:26:18 lab-urm2 startplasma-x11[18753]: “dbus-update-activation-environment” (“–systemd”, “–all”) exited with code 71
окт 17 20:26:19 lab-urm2 startplasma-x11[18753]: “xmessage” (“-geometry”, “500×100”, “Could not sync environment to dbus.\n”) exited with code 11
окт 17 20:26:27 lab-urm2 startplasma-x11[19023]: “dbus-update-activation-environment” (“–systemd”, “–all”) exited with code 71
окт 17 20:26:28 lab-urm2 startplasma-x11[19023]: “xmessage” (“-geometry”, “500×100”, “Could not sync environment to dbus.\n”) exited with code 11
окт 17 20:26:38 lab-urm2 startplasma-x11[19294]: “dbus-update-activation-environment” (“–systemd”, “–all”) exited with code 71
окт 17 20:26:39 lab-urm2 startplasma-x11[19294]: “xmessage” (“-geometry”, “500×100”, “Could not sync environment to dbus.\n”) exited with code 11
окт 17 20:26:45 lab-urm2 kdeinit5[17158]: kdeinit5: Fatal IO error: client killed
окт 17 20:26:45 lab-urm2 kdeinit5[17158]: kdeinit5: sending SIGHUP to children.
окт 17 20:26:45 lab-urm2 kdeinit5[17165]: The X11 connection broke (error 1). Did the X11 server die?
окт 17 20:26:45 lab-urm2 gmenudbusmenuproxy[17222]: The X11 connection broke (error 1). Did the X11 server die?
окт 17 20:26:45 lab-urm2 kdeconnectd[17224]: The X11 connection broke (error 1). Did the X11 server die?
окт 17 20:26:45 lab-urm2 polkit-kde-authentication-agent-1[17219]: The X11 connection broke (error 1). Did the X11 server die?
окт 17 20:26:45 lab-urm2 org_kde_powerdevil[17264]: The X11 connection broke (error 1). Did the X11 server die?
окт 17 20:26:45 lab-urm2 kdeinit5[17158]: kdeinit5: sending SIGTERM to children.
окт 17 20:26:45 lab-urm2 kdeinit5[17158]: kdeinit5: Exit.
[/code]
If replace startplasma-x11 to, e.g., startlxde – works fine.
Is there a way to run KDE with Plasma 5.17 remotely?
Thank you.
(sorry for my bad English 🙁 )
Hi, thanks for reporting, we’ve opened a Trouble Report and provided the correct workaround. To avoid further confusion and splitting of topics, please refer to https://forums.nomachine.com/topic/nx-wont-work-with-recent-kde-5-17. Thanks!
Session has loaded, but window decorations are not rendered.
And I couldn’t get into the session opened on the desktop remotely.
Attachments:
Could you try:
add “env -u WAYLAND_DISPLAY” to DefaultDesktopCommandDefaultDesktopCommand “env -u WAYLAND_DISPLAY /usr/bin/dbus-launch –sh-syntax –exit-with-session /usr/bin/startplasma-x11” ?
This should work for any installations running NoMachine virtual desktop sessions (e.g you have Workstation installed) and also the free version when NoMachine uses its own embedded X server. To be able to run a physical desktop session, a patch from us is required. We are preparing a package that will fix the issues reported here and will let you know when it’s ready.
1. With workaround DefaultDesktopCommand “env -u WAYLAND_DISPLAY /usr/bin/dbus-launch /usr/bin/startplasma-x11”
#/etc/NX/nxserver –restart
awk: cmd. line:1: warning: regexp escape sequence `\”‘ is not a known regexp operator
NX> 162 Disabled service: nxserver.
NX> 162 Service: nxnode already disabled.
NX> 162 Disabled service: nxd.
NX> 162 Disabled service: nxserver.
NX> 162 Disabled service: nxnode.
NX> 162 Disabled service: nxd.
Windows decorations are OK, but not in new, not worked, session
2. With DefaultDesktopCommand “env -u WAYLAND_DISPLAY /usr/bin/dbus-launch –sh-syntax –exit-with-session /usr/bin/startplasma-x11” – error “Session negotiation failure”
# /etc/NX/nxserver –restart
awk: cmd. line:1: warning: regexp escape sequence `\”‘ is not a known regexp operator
NX> 162 Disabled service: nxserver.
NX> 162 Service: nxnode already disabled.
NX> 162 Disabled service: nxd.
NX> 111 New connections to NoMachine server are enabled.
NX> 161 Enabled service: nxserver.
NX> 162 WARNING: Cannot find X servers running on this machine.
NX> 162 WARNING: A new virtual display will be created on demand.
NX> 161 Enabled service: nxd.
So I assume virtual sessions are working correctly right now?
About warning during restart and physical session.
‘NX> 162 WARNING: Cannot find X servers running on this machine.
NX> 162 WARNING: A new virtual display will be created on demand.’
It happens, because NoMachine can not find correct session with new plasma in version 5.17.
There is a Trouble Report for it:https://www.nomachine.com/TR10Q09441
As there is not workaround at this moment we could prepare package with fix for you, but we need to know what packages you are using (nxserver –version) on what architecture (x86 or x64) for Arch Linux?
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