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Veyon Community Forum

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  3. veyon service unreachable or not running

veyon service unreachable or not running

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  • B Bielet

    Good morning, I have a computer classroom with Windows 10 and Ubuntu 18. I have installed Veyon in Windows and I have not had any problems, but when I install it in Ubuntu and I want to access one of the client Pcs from the master it tells me "veyon service unreachable or not running "

    If i try with sudo systemctl status veyon, it tells me the service is active and running in the master and the clients .

    Anyone have any idea where the problem may be?

    Thank you

    H Offline
    H Offline
    hammergil
    wrote on last edited by
    #2

    @bielet I have windows 10 master and Ubuntu 18.04 clients. It used to work great, now no joy. I can see the veyon icon on my ubuntu machines. As soon as I start up master on my windows machine, the ubuntu icon disappears on the clients. From master, I can see the clients desktop for about 1 second, then they all turn to yellow on the master with the same message.

    I have been trying to resolve the issue through this support forum, but help is days and sometime weeks in the waiting. I will be watching your post for help responses as well as mine from days ago 😞 Good luck!

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    • H hammergil

      @bielet I have windows 10 master and Ubuntu 18.04 clients. It used to work great, now no joy. I can see the veyon icon on my ubuntu machines. As soon as I start up master on my windows machine, the ubuntu icon disappears on the clients. From master, I can see the clients desktop for about 1 second, then they all turn to yellow on the master with the same message.

      I have been trying to resolve the issue through this support forum, but help is days and sometime weeks in the waiting. I will be watching your post for help responses as well as mine from days ago 😞 Good luck!

      B Offline
      B Offline
      Bielet
      wrote on last edited by
      #3

      @hammergil I think the problem is the port 11100 in Ubuntu. This is the port that Veyon listen the petitions from the master.

      Does anyone know how to properly open port 11100 in Ubuntu so that it listens for Veyon requests?

      Thanks.

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      • B Bielet

        @hammergil I think the problem is the port 11100 in Ubuntu. This is the port that Veyon listen the petitions from the master.

        Does anyone know how to properly open port 11100 in Ubuntu so that it listens for Veyon requests?

        Thanks.

        K Offline
        K Offline
        kamik
        wrote on last edited by
        #4

        @bielet I don't know veyon in ubuntu, but you can check listening ports and a firewall.

        sudo netstat -latupn
        

        it shows all open ports and processes - check port 11100

        sudo ufw status
        

        it shows status of the firewall

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        • K kamik

          @bielet I don't know veyon in ubuntu, but you can check listening ports and a firewall.

          sudo netstat -latupn
          

          it shows all open ports and processes - check port 11100

          sudo ufw status
          

          it shows status of the firewall

          B Offline
          B Offline
          Bielet
          wrote on last edited by
          #5

          @kamik said in veyon service unreachable or not running:

          @bielet I don't know veyon in ubuntu, but you can check listening ports and a firewall.

          sudo netstat -latupn
          

          it shows all open ports and processes - check port 11100

          sudo ufw status
          

          it shows status of the firewall

          Trying sudo netstat -latupn, Indeed, the client's veyon does not seem to open the port, it is not in the list of ports ...

          The firewall is down, so no restrictions should be applied.

          I have tried stopping and restarting the service from the Veyon configurator and it still does not listen to port 11100

          K 1 Reply Last reply
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          • B Bielet

            @kamik said in veyon service unreachable or not running:

            @bielet I don't know veyon in ubuntu, but you can check listening ports and a firewall.

            sudo netstat -latupn
            

            it shows all open ports and processes - check port 11100

            sudo ufw status
            

            it shows status of the firewall

            Trying sudo netstat -latupn, Indeed, the client's veyon does not seem to open the port, it is not in the list of ports ...

            The firewall is down, so no restrictions should be applied.

            I have tried stopping and restarting the service from the Veyon configurator and it still does not listen to port 11100

            K Offline
            K Offline
            kamik
            wrote on last edited by
            #6

            @bielet is the veyon service really running?

            sudo systemctl status veyon
            

            you should check logs:
            systemd logs: sudo journalctl -eu veyon.service
            veyon logs should be in /tmp folder, depends on your config

            B 1 Reply Last reply
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            • K kamik

              @bielet is the veyon service really running?

              sudo systemctl status veyon
              

              you should check logs:
              systemd logs: sudo journalctl -eu veyon.service
              veyon logs should be in /tmp folder, depends on your config

              B Offline
              B Offline
              Bielet
              wrote on last edited by
              #7

              @kamik

              veyon1.png veyon2.png

              It seems a problem with wayland. I am using Ubuntu 18.04.5 LTS

              B 1 Reply Last reply
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              • B Bielet

                @kamik

                veyon1.png veyon2.png

                It seems a problem with wayland. I am using Ubuntu 18.04.5 LTS

                B Offline
                B Offline
                Bielet
                wrote on last edited by
                #8

                @bielet I have tried adding -noshm at VNC configuration, but the service keeps stopping

                K 1 Reply Last reply
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                • B Bielet

                  @bielet I have tried adding -noshm at VNC configuration, but the service keeps stopping

                  K Offline
                  K Offline
                  kamik
                  wrote on last edited by
                  #9

                  @bielet Do you need wayland ? Try run with Xorg.

                  https://www.youtube.com/watch?v=8PxjgKyyrO0

                  wayland is probably still unsupported

                  H B 2 Replies Last reply
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                  • K kamik

                    @bielet Do you need wayland ? Try run with Xorg.

                    https://www.youtube.com/watch?v=8PxjgKyyrO0

                    wayland is probably still unsupported

                    H Offline
                    H Offline
                    hammergil
                    wrote on last edited by
                    #10

                    @kamik
                    It is a false message. Wayland is not running. Mine says the same thing and a check shows that the session is Xorg

                    1 Reply Last reply
                    0
                    • K kamik

                      @bielet Do you need wayland ? Try run with Xorg.

                      https://www.youtube.com/watch?v=8PxjgKyyrO0

                      wayland is probably still unsupported

                      B Offline
                      B Offline
                      Bielet
                      wrote on last edited by
                      #11

                      @kamik veyon3.png

                      It says that i'am using x11

                      1 Reply Last reply
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                      • T Offline
                        T Offline
                        tobydox
                        wrote on last edited by
                        #12

                        The Wayland messages could come from your display manager which already uses Wayland while your user sessions don't. However from your descriptions it rather sounds like the Veyon Server inside the user sessions starts up properly and during the first access. Is there a chance you can downgrade to 4.5.6 by manually installing https://github.com/veyon/veyon/releases/download/v4.5.6/veyon_4.5.6-0-ubuntu-focal_amd64.deb (if it doesn't help, try with 4.5.5 via https://github.com/veyon/veyon/releases/download/v4.5.5/veyon_4.5.5-0-ubuntu-focal_amd64.deb)? This way we can determine whether this is a regression or a general problem.

                        @hammergil I admit the (free community) support has been poor in the last weeks to due holidays (also the development of Veyon 5 takes quite some resources). I'm confident we'll fix the Ubuntu issue in the next weeks, even though you seem to have found another solution.

                        D 1 Reply Last reply
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                        • T tobydox

                          The Wayland messages could come from your display manager which already uses Wayland while your user sessions don't. However from your descriptions it rather sounds like the Veyon Server inside the user sessions starts up properly and during the first access. Is there a chance you can downgrade to 4.5.6 by manually installing https://github.com/veyon/veyon/releases/download/v4.5.6/veyon_4.5.6-0-ubuntu-focal_amd64.deb (if it doesn't help, try with 4.5.5 via https://github.com/veyon/veyon/releases/download/v4.5.5/veyon_4.5.5-0-ubuntu-focal_amd64.deb)? This way we can determine whether this is a regression or a general problem.

                          @hammergil I admit the (free community) support has been poor in the last weeks to due holidays (also the development of Veyon 5 takes quite some resources). I'm confident we'll fix the Ubuntu issue in the next weeks, even though you seem to have found another solution.

                          D Offline
                          D Offline
                          dashohoxha
                          wrote on last edited by
                          #13

                          @tobydox I have the same problem with LinuxMint (which is based on Ubuntu 20.4). The service veyon seems to be running properly, but telnet localhost 11100 says Unable to connect to remote host: Cannot assign requested address, and the message on the Master "veyon service unreachable or not running".

                          The same problem happened with version 4.3.1 which is the one packaged on ubuntu-20.04, and the same happens with the latest release downloaded from veyon.io.

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