Veyon Community Forum

We're happy to announce Veyon 4.10.4, the fourth maintenance release of Veyon 4.10.x. This release primarily fixes a performance regression in Veyon Master resulting from the thumbnail layouting improvement in 4.10.3. Additionally it's now possible to specify a prefix or suffix by which to extend the identity of guest users automatically such that for example valid exam users can easily be recognized. All downloads for this release are available in the download area. A complete list of changes in detail can be found below: Core Improve robustness by using std::vsnprintf() instead of sprintf()/snprintf() Add various size checks when receiving usernames, signatures and tokens Master Fixed performance regression introduced with improved thumbnail layouting in 4.10.3 Added support for extending guest user identities with prefix or suffix Plugins Demo: don't lock the master computer when sharing a user's screen fullscreen (#1126) Linux Added Nix flake and NixOS module Windows 3rdparty: UltraVNC: update to 1.8.2.3

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I can't log in to any other computer in the same room from the teacher's computer. I can restart it or shut it down. And if I've manually logged into a student's computer, I can also send files to it, log out of it, etc., from the teacher's computer. But I can't log in to one or more computers. I can do this via “Remote Control,” one computer at a time. But not via the “Log In” button. Not a single computer, not multiple computers I’ve selected, and not “All” from the menu at the top. We actually use this feature very often (and I thought it was one of the main features). When second- or third-graders are supposed to learn on the computer, they can’t log in on their own yet. They’re supposed to get familiar with the keyboard first. But there are 26 kids sitting there. I simply can’t manage to log them all in manually, one by one, during a single class period. In the class before or after, there are sixth graders who log in using their own login credentials. So I also can’t log all the computers in manually first thing in the morning for the rest of the day. As a result, we unfortunately either have to cancel the class entirely or only half the class can work. Please help me as soon as possible. What could be causing this problem? Everything was still working fine just a short while ago. We’ve been using this system for several years now. Thank you very much for your help, and best regards.

In Veyon 4.11.4, sharing a student's screen using the context menu behaves differently from using the Demo menu in the toolbar. When "Share selected computer" is launched from the context menu of a student thumbnail, the shared screen is displayed only on the master computer. When the same student computer is selected and "Demo → Share selected computer" is launched from the toolbar, the screen is correctly broadcast to all client computers. This behavior is reproducible and seems inconsistent.