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I am wondering what are my options to access one single gui application remotely, rather than full desktop, as VNC does.

Also lag is an issue. Any other way to make remote VNC, super responsive-- may be compression or dont know what, so would shut up and listen now

  • VNC and similar solutions use a "virtual" X server, so make sure you run this in addition to a real X server, and make your application connect to this virtual server, while the rest of the desktop runs on the real X server. As a consequence, you won't be able to access this application directly from the desktop (though of course you can connect to the VNC server from the desktop, and then access the application). As for lag, bandwidth is bandwidth. Different VNC-like solutions use different algorithms, with may or may not work better for you. Evaluate them. – dirkt Jan 17 at 6:35
  • @dirkt The VNC protocol has nothing directly to do with X, it transmits the smallest rectangle that has been changed in a frame buffer. Many IPMI capable systems use VNC to interact with BIOS screens. If the OP is using X then technologies like NX machine are much more responsive than VNC. See wiki.x2go.org for an open source solution. – icarus Jan 17 at 8:41
  • @icarus: While it's true that the VNC protocol has nothing to do with X, one common way is to use Xvnc or similar to start an X server, and then the framebuffer of that server is transferred. The OP mentioned VNC, but in principle the same is true for other compression algorithms like NX. – dirkt Jan 17 at 9:16
  • @icarus x2go has some serious, or had last year. I prefer NX Nomachine. – Rui F Ribeiro Jan 17 at 11:54

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