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Help & Troubleshooting

You're facing difficulties with setting up Veyon? Ask away!

969 Topics 2.5k Posts
  • Access Control - groups within groups

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    T

    Sounds like a perfect solution!

  • Also How do I choose monitors

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    B

    And that is realy frustrating 😕 Any fix for that ?

  • VEYON in a virtual environment

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    F

    @tobydox

    Hello tobydox

    I have created an environment variable in the operating system with a value equal to 2

    SET VEYON_SESSION_ID = 2

    And also in the veyon-client environment.

    veyon-cli config set Service/VEYON_SESSION_ID 2

    My session ID is two

    QUERY SESSION

    SESSION NAME USER NAME ID STATE
    services 0 Desc
    rdp-tcp # 2 administrator 2 Active
    console 3 Conn
    rdp-tcp 65536 Listen

    And in no case have I managed to make the screen that shows to the students the session in which the teacher works.

    I have also test with the new version of Veyon 4.4.0

    I would like to remind you that both the students and the teacher are working on their own virtual desktop connected by RDP, that is, they are all in session 2 of their own virtual desktop.

  • problem while installing clients

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    T

    Are you running Windows 10? 32 or 64 bit?

  • Configuration of Veyon Master to view activities on client computers

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    T

    The documentation on multi session mode at https://docs.veyon.io/en/latest/admin/reference.html#refmultisessionmode has been improved to reflect information on how to access RDP sessions in general. Also the (currently very basic) RDP support will be further improved in future Veyon releases.

  • Error When Trying to Download

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    T

    Hi Justin,

    yes this is probably a problem with your browser or has been a temporary issue. The download links work well here.

    Best regards
    Tobias

  • Veyon cause remote desktop RDP blank screen

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  • Connection Between Client and Main PC (Server)

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  • View RDP sessions

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    N

    I have this exact same issue as well.
    All searching for solutions have come up dry.
    Let's hope we get an answer soon, otherwise I need to force the students to install this on their PC and get me their IP

  • Video Display Quality?

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    D

    Is this project dead?

  • Remote Connections

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    I

    Hi,

    me , too, i have problems to view logged in users in RDP-Sessions on win 2019 and win2012R2 Servers. I'm using default config. Veyon Master is showing computernames and the Name of logged in user at console, but not of the RDP-Users, not on 2012 R2, 2019 and not on Win10. On the Clients / Terminalservers the VeyonClient shows the ports e.g. 11102 but only the client-session of the console shoes "connected to ....". In the other RDP-Sessions the clients shows a different port (e.g. 11102) but not wether it is connected or not. On the Master-PC a telnet to the specific port of the clients works.
    All antivirus and firewall settings are deactivated for testing but no positive result.

    What else can be the problems in connecting from ussersessions to the master?

    (veyon 4.3.5 on windows 2019, 2012 and win10)

    Thanks in advance

  • Is it possible to change the VNC Server port number?

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    B

    Hi, As it seemds this isnt possible given lack of responses, is there a feature request area i could request this feature?

    Thanks

  • can"t download 4.3.5 for windows

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    M

    @tobydox thanks !

  • Window Demo always on top

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  • Installing Veyon on Raspian Failed

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    D

    pi@pishare:~ $ gpg --keyserver keyserver.ubuntu.com --recv 49ABD150D5D0DCC6
    gpg: keybox '/home/pi/.gnupg/pubring.kbx' created
    gpg: failed to start the dirmngr '/usr/bin/dirmngr': No such file or directory
    gpg: connecting dirmngr at '/run/user/1000/gnupg/S.dirmngr' failed: No such file or directory
    gpg: keyserver receive failed: No dirmngr
    pi@pishare:~ $ sudo apt-key add 49ABD150D5D0DCC6
    gpg: can't open '49ABD150D5D0DCC6': No such file or directory
    pi@pishare:~ $ sudo apt-key adv --keyserver hkp://pool.sks-keyservers.net:80 --recv-keys 49ABD150D5D0DCC6
    Executing: /tmp/apt-key-gpghome.S0DQJqUJie/gpg.1.sh --keyserver hkp://pool.sks-keyservers.net:80 --recv-keys 49ABD150D5D0DCC6
    gpg: failed to start the dirmngr '/usr/bin/dirmngr': No such file or directory
    gpg: connecting dirmngr at '/tmp/apt-key-gpghome.S0DQJqUJie/S.dirmngr' failed: No such file or directory
    gpg: keyserver receive failed: No dirmngr
    pi@pishare:~ $ sudo apt update
    Get:2 http://archive.raspberrypi.org/debian stretch InRelease [25.4 kB]
    Hit:3 http://raspbian.raspberrypi.org/raspbian stretch InRelease
    Get:1 http://ppa.launchpad.net/veyon/stable/ubuntu xenial InRelease [18.0 kB]
    Hit:4 https://apt.syncthing.net syncthing InRelease
    Err:1 http://ppa.launchpad.net/veyon/stable/ubuntu xenial InRelease
    The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 49ABD150D5D0DCC6
    Reading package lists... Done
    W: GPG error: http://ppa.launchpad.net/veyon/stable/ubuntu xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 49ABD150D5D0DCC6
    E: The repository 'http://ppa.launchpad.net/veyon/stable/ubuntu xenial InRelease' is not signed.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    pi@pishare:~ $ sudo apt update 2>&1 1>/dev/null | sed -ne 's/.NO_PUBKEY //p' | while read key; do if ! [[ ${keys[]} =~ "$key" ]]; then sudo apt-key adv --keyserver hkp://pool.sks-keyservers.net:80 --recv-keys "$key"; keys+=("$key"); fi; done
    Executing: /tmp/apt-key-gpghome.t7YjvuNZwF/gpg.1.sh --keyserver hkp://pool.sks-keyservers.net:80 --recv-keys 49ABD150D5D0DCC6
    gpg: failed to start the dirmngr '/usr/bin/dirmngr': No such file or directory
    gpg: connecting dirmngr at '/tmp/apt-key-gpghome.t7YjvuNZwF/S.dirmngr' failed: No such file or directory
    gpg: keyserver receive failed: No dirmngr

  • LDAP with SSL (MS Server 2016)

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    T

    Nevermind, there's a problem in the LDAP subsystem causing certificate settings not being applied properly when using SSL/LDAPS. TLS should work fine though. We're working on a fix for the next release.

  • How do you set up Auto update of Client and Master

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    T

    There's no builtin auto updater but if your Veyon deployment is automated properly you simply have to exchange the installer file. See https://docs.veyon.io/en/latest/admin/installation.html#automated-silent-installation for details.

  • veyon interception driver issue

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    T

    Unfortunately this is a 3rdparty issue which still requires a fix. Once the Interception driver has been fixed we'll incorporate the new version.

  • Lowering badwidth utilization of thumbnails?

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    T

    Do you mean 100 megabit/s, i.e. 12 MB/s? If so, that's IMHO an acceptable amount of traffic for monitoring 45 clients.

    Besides increasing the update interval there's currently no possibility to further reduce the traffic. Increasing the update interval will not decrease the traffic linearly since less frequent updates might cause bigger updates (i.e. fullscreen updates of partial updates).

    We plan to add lossy compression methods witin the Veyon 5 release series (2021) which will further reduce the required traffic.

  • Saving the password of an external VNC server

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    T

    Yes, you can use the veyon-cli tool:

    veyon-cli config set ExternalVncServer/Password 12345

    See https://docs.veyon.io/en/latest/admin/cli.html#configuration-management for further details.