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vnc slow on fedora19

asked 2013-09-09 00:31:59 -0500

newman529 gravatar image

I just installed latest Fedora 19 to replace my old f14, I use the same tiger-vncserver and the same configuraiton. I just found that vnc to fedora 19 is a little slow compare to the f14 ( I still have 1 fedora 14 left now).

VNC client is the same which is my laptop, and when I ping the F14 and F19 from my laptop I got the same RTT (round-trip-delay), so i guess there must be some diff between F19 and F14 and caused this slow problem

Anyone can shed me some light how to investigate?

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answered 2013-09-09 23:14:28 -0500

newman529 gravatar image

emm, I think you are right, the main difference is the GNOME3 vs GNOME 2. Currently the VNC is not slow that you can obviously feel it, but it's not so comfortable compared to F14.

Anyway, I will use it few more time and may try the freeNx you mentioned. I will update the result here sometime when I got a perfect solution

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It turned out it's due to GNOME3 used. I install the KDE and the VNC get faster now.

newman529 gravatar imagenewman529 ( 2013-09-12 00:53:40 -0500 )edit

answered 2013-09-09 04:39:53 -0500

Jann5s gravatar image

Actually, there is a huge difference between f14 and f19, mainly gnome2 vs gnome3. The question is:

  • Is VNC generally slow when transferring gnome3 or other composited desktops?
  • Or is there something we can fix?

Testing this question is possible by trying a different (lighter) desktop environment for instance MATE, and see if it changes. Or wait for other users to share their VNC+gnome3 experience.

Also, you may want to consider switching to NX-nomachine (or freenx) instead of VNC, they have a pretty smart protocol which is very fast.

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Asked: 2013-09-09 00:31:59 -0500

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Last updated: Sep 09 '13