x11vnc is great, remmina is great (can scale the client window, no matter the vnc server resolution it will fit on the client screen)

when the user followed the instructions here on how to setup vnc server on GNU Linux

connecting to the server with remmina might still fail with: “rfbProcessClientNormalMessage: read: Connection reset by peer”

this happens when the client vnc software has a different color map (8 bpp, 16 bpp, 24 bpp, 32 bpp) set

than the vnc server offers

run this command on server to see the settings of vnc:

xdpyinfo -display :0
hostnamectl; # tested on client
         Icon name: computer-desktop
           Chassis: desktop
  Operating System: Debian GNU/Linux 10 (buster)
            Kernel: Linux 4.19.0-13-amd64
      Architecture: x86-64

hostnamectl; # tested on server
         Icon name: computer-desktop
           Chassis: desktop
  Operating System: Debian GNU/Linux 10 (buster)
            Kernel: Linux 4.19.0-13-amd64
      Architecture: x86-64

Links:

https://www.karlrunge.com/x11vnc/faq.html

https://remmina.org/

admin