Re: Can't open display -- SOLVED

From: Paul Howarth (paul_at_city-fan.org)
Date: 07/01/05

  • Next message: Benjamin Sher: "Re: Screensaver Help" 
    To: For users of Fedora Core releases <fedora-list@redhat.com>
Date: Fri, 01 Jul 2005 21:44:04 +0100

    On Fri, 2005-07-01 at 14:10 -0500, Wojciech Komornicki wrote:
    > I was getting the message
    > Can't open display: xxx.xxx.xxx.xxx:0.0
    > It terns out that by default on my FC4, X does not listen to tcp. You
    > can enable listening to the TCP port by running
    > gdmsetup
    > as root or be editing the file
    > gdm.conf
    > The relevant setting is
    > DisallowTCP
    > If you want X to listen the tcp set this to false
    >
    > You will have to restart the X server after making changes. To run a
    > program (prog) on the client (light.unix) which will have its display on
    > the server (dark.unix) you need to
    > 1) tell the server that you allow light.unix to talk to it with
    > xhost +light.unix
    > 2) start prog (on light.unix) with the command
    > prog -display dark.unix:0.0
    > (or you can set the DISPLAY environment variable)
    >
    > I have not been able to get authentication working using xauth which
    > should allow you to run programs without using xhost.

    Why don't you use "ssh -X light.unix" on dark.unix, opening a secure
    connection from dark to light with X forwarding (i.e. running "prog"
    just works), so that you don't need to set up the tcp listening and
    don't have to mess about with "xhost" and $DISPLAY?

    Paul. 

    -- 
Paul Howarth <paul@city-fan.org>
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  • Next message: Benjamin Sher: "Re: Screensaver Help"

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