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We have a wireless network where I work.

I've installed TightVNC viewer on a WinXP box, and I'm using it to connect to my laptop which has Ubuntu 9.04 installed.

So far, everything works right up to after I login.

I can see the initial screen of my laptop in the TightVNC viewer, as it is when I first connect.

But if I click on something, enter keystrokes, etc, none of my actions seem to show up.

The actions still happen, as observed on the laptop's screen, but I don't get any output on my WinXP box.

Any ideas why?

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  • Are you using Remote Desktop (vino) on your Ubuntu Box? I'm using that and TightVNC viewer from Vista and having a similar problem.
    – Dennis Williamson
    Sep 17, 2009 at 0:11

5 Answers 5

Reset to default
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there are a number of options in the TightVNC server, including one ('-viewonly') that disallows keyboard and mouse input from the viewer. On your Ubuntu box, do you have a ~/.vnc/xstartup file defined? Which options are you starting your TightVNC server with?

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  • He may be using Remote Desktop (vino) which is installed by default, IIRC, on Ubuntu. I'm using the same combination (vino with TightVNC viewer) and am having the same problem. Also, the screen doesn't update (e.g. the clock doesn't change). However, when screen blanking kicks in, it does so on the viewer also and I can move the remote mouse and it wakes up and the clock shows the current time (but again stays unchanged). I have "View only (inputs ignored)" turned off.
    – Dennis Williamson
    Sep 17, 2009 at 5:19
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Quoting the message here:

On the remote machine (the one you are remoting to); System->Preferences->Appearance “Visual effects” tab, select None.

Which refers to a Gnome setting on the Ubuntu system. Unfortunately, this turns off Compiz effects like wiggly windows.

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  • I had tried RealVNC Viewer Free in addition to TightVNC Viewer and got the same results which led me to checking for problems on the host side.
    – Dennis Williamson
    Sep 17, 2009 at 7:09
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Here's what I did: killed all vino processes and tightvncserver. Then restarted tightvncserver (without args). Connected to the box (running ubuntu) from an xp box and got what you'd expect--just like you were on the Ubuntu box, only slower.

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There are different option for pulling the display ( well basically pull or using events) try changing them. Pulling will be more reliable, but it uses more cpu cycles.

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When you press Ctrl or Alt key while in the tightvnc viewer, the click and typing doesn't work. You can resume this by pressing the Ctrl and Alt key again while the window of vnc viewer is active. You can see the Ctrl and Alt icons being enabled/disabled in the viewer by pressing those keys.

Sometimes when you switch to different windows using Alt+Tab keys, the Alt key is enabled in vnc viewer and when you come back to the vnc viewer you will not be able to click and type. Simply press the Alt key again and voila you will be able to click and type again.

If there is some way to disable this functionality that would be really appreciated.

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