“Resize Remote Display to Client Window” on OS X to headless EC2 Linux

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  • #41139
    asdf12345
    Participant

    Running an Ubuntu headless server on EC2. There is a frequently occurring bug with the OS X NX Client — the remote display can sometimes be resized to client window, but most of the time it caps out at 1280×720.  Note that I use the option to have NX create the embedded X remote display server for me.

    The OS X client window then refuses to size up beyond 1280×720– the maximize doesn’t work.

    Sometimes, if I try to maximize the OS X NX window before clicking all the way through the Connection options (ie Remote Audio options, then Remote Display options), it can work and force the remote to 1920×1027 (my physical monitor), but more often than not this also doesn’t work and the remote resolution remains capped at 1280×720– so the NX OS X client window just draws big black border around the little 1280×720 display in the middle of the window.

    My latest solution is to leave the NX Client window open, reboot the EC2 instance, remote ~/.nx/*, re-copy over the authorized-keys to ~/.nx.  It sometimes works. But not guaranteed. It seems to work if the NX Client does not detect a display and offers to re-create the remote embedded X display again for me — then I have to be prepared to have the NX Client Window already maximized so then it seems to allow resolutions of > 1280×720 to show up in X (ie in xrandr or in the Display settings GUI).

    I figured I might as well report this issue now that I created an account due to the M1 Ventura scrolling issue 🙂

    Thanks

    #41362
    Britgirl
    Keymaster

    Can you send us the output of ask of the ‘xrandr’ command on the server whilst reproducing the problem?

    #41363
    asdf12345
    Participant

    Sure. Here it is not working (typical flow), working (special flow I use to fix it), and the big black frame around the maximized window in OSX during the not-working (typical flow).

     

     

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