Re: Screen in an Xterm -- su & running browser

From: Alan Connor (zzzzzz_at_xxx.yyy)
Date: 03/26/04

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    Date: Fri, 26 Mar 2004 11:15:37 GMT

    On 26 Mar 2004 09:03:07 GMT, Chris F.A. Johnson <c.fa.johnson@rogers.com> wrote:
    >
    >
    > On Fri, 26 Mar 2004 at 08:05 GMT, Alan Connor wrote:
    >>
    >> I run my box (Linux/Debian) from Screen running in an x-terminal-emulator called "aterm".
    >> The 'xterm' opens in a window created by a light window manager, flwm.
    >>
    >> When I login, startx runs calling aterm with Screen running in it.
    >>
    >> No problem using my graphical browser Dillo when I am running as myself, no matter which pty
    >> I am in at the moment: Dillo opens in a seperate window.
    >>
    >> But if I create a new pty and su - another_user, Dillo will not run.
    >>
    >> $ export DISPLAY=:0.0
    >> $ dillo index.html
    >> Xlib: connection to ":0.0" refused by server
    >> Xlib: Invalid MIT-MAGIC-COOKIE-1 key
    >>
    >> Gtk-WARNING **: cannot open display: :0.0
    >
    >
    > xhost localhost

    Thanks Chris. I've been reading the man (7) Xsecurity page, and if the cookie bit
    hadn't worked was thinking that would be the one to experiment with.

    In fact, I did, briefly, and it rejected the username.....Didn't think to try "localhost".

    I suspect that the use of the ~/.Xauthority with Magic Cookie with startx may block the use
    of xhost, that I would have to remove that file and then reboot the Xserver and put something
    like exec xhost + in that ~/.bashrc.

    AC

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