Forum / NoMachine for Linux / NoMachine Workstation: new virtual desktop fails
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May 15, 2020 at 07:59 #27494drichmanParticipant
I’m trying NoMachine Workstation Evaluation 6.10.12 on Ubuntu 16.04 LTS, connecting to it with 6.10.12 on Mac OS X (Catalina, 10.15.4), and testing the ability to connect to different user accounts on this shared Ubuntu workstation.
When I connect to an account that is currently active and displaying on the Ubuntu machine, I see the option to launch the physical display, and it works fine.
When I connect to an account that’s not active, and can be logged in or not, I see the options to create a new virtual desktop or create a new custom session, and I try to create a new virtual desktop. It opens a black screen for a few seconds and then kicks be back to the connection screen.
If I switch the active account at the Ubuntu machine it’s the opposite–in other words, I can remotely launch the physical desktop of the account that’s displaying but not the virtual desktop of an account that’s not displaying.
I tried these solutions to no effect:
https://www.nomachine.com/TR03M05061 (Black screen occurs when connecting virtual desktops on Ubuntu 14.04)
https://www.nomachine.com/AR09L00814 (A black screen is displayed when running virtual desktops on Unity 3D or GNOME 3 and proprietary drivers)
I reproduced the problem while taking debug-level logs on server-side, please find attached. Thanks for your help.
Attachments:
May 15, 2020 at 15:31 #27525shibaParticipantHi!
We cannot reproduce such problem on the fresh installed Ubuntu 16.04 with default UNITY. Could you tell what graphical environment are you using? Please give us the output of
/usr/share/xsessions
Could you also check what is your DefaultDesktopCommand in /usr/NX/etc/node.cfg
We have:
DefaultDesktopCommand “/etc/X11/Xsession ‘gnome-session –session=ubuntu'”Please check our article https://www.nomachine.com/AR04K00667
May 15, 2020 at 17:46 #27546drichmanParticipantContents of /usr/share/xsessions:
-rw-r–r– 1 root root 204 Aug 22 2016 ubuntu.desktop
Based on the article, section 2.1, I checked:
grep ^Exec /usr/share/xsessions/ubuntu.desktop
Exec=gnome-session –session=ubuntu
And from node.cfg:
DefaultDesktopCommand “/etc/X11/Xsession ‘gnome-session –session=ubuntu'”
and I checked that it’s not commented out.
Do you think I need to pursue one of the approaches in the article, like installing a different environment globally or per-user?
Thanks again!
May 18, 2020 at 15:40 #27599shibaParticipantCould you check again with this command?
DefaultDesktopCommand "/etc/X11/Xsession ‘gnome-session --session=ubuntu'"
If that doesn’t help, send us logs from server side. Please find the instructions here: https://www.nomachine.com/DT10O00163#1. You can send them to forum[at]nomachine[dot]com
May 27, 2020 at 09:48 #27791BritgirlKeymasterdrichman, we received your logs, thank you. Unfortunately, you didn’t enable debug before reproducing the problem.
https://www.nomachine.com/DT10O00163#1.1
Please enable debug as per the instructions on the server-side, reproduce the problem, gather the logs and then send them to us as you did before.
June 17, 2020 at 11:51 #28163shibaParticipantWe’ve received and analyzed your logs. It appears to be more of system configuration problem and not one caused by NoMachine. We’ve also tried to reproduce the problem on a fresh Ubuntu 16.04 just to make sure, but without success.
You should check possible error messages in the user’s home directory ‘.xsession-errors’ file and system logs. Reinstalling of your GUI environment is also worth considering.
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