Re: RH 7.3

[Benjamin Simmons <bdsimmns at memphis dot edu>]

I am only running on a remote network.  It is not exposed to the "outside world",
so I don't have any security risks that I am concerned about.  If you could
provide me with more complete instructions, I would be very appreciative.

Thank you,
Ben Simmons

Rasjid Wilcox wrote:

> On Wed, 25 Sep 2002 10:16 pm, Benjamin Simmons wrote:
> > I am getting an error that makes me assume that I have some kind of X
> > permission wrong.
> >
> > I edited the following files:
> > /etc/X11/xdm/xdm-config
> > /etc/X11/xdm/Xaccess
> > /etc/X11/gdm/gdm.conf
> >
> >
> > Is there something else I must do?
> >
> > If I ssh to the remote machine: ssh -X -l username ipaddress
> > The current message I am getting is:
> >
> > "PAM authentication has failed cannot start the X server.  Perhaps you
> > do
> > not have console ownership. . . . . . "
> >
>
> I think you are confusing two completely different ways of running X over a
> network.
>
> You can
> a) use xdm/gdm/kdm
> b) use ssh -X
>
> a) xdm/gdm/kdm is a little work to set up on the server side, but it makes
> client side configuration trivial.  Once set up correctly, XWin.exe -query
> <server.ip> is basically all each host needs to do.  Its main downside is
> that it is inherently insecure, as all communcation between the workstation
> and the server is unencrypted, including any passwords typed into dialog
> boxes.
>
> However, I can send details on the full xdm/gdm/kdm thing if you like.
>
> b) ssh -X works best if you already have a fully running X setup on your local
> machine, and just want to run specific programs on the server.  However, with
> a little bit of work it may be possible to get a scripted secure Xsession
> running, which starts up KDE or GNOME on the server rather than locally.  My
> attempts to do this simply have only partly worked.  As far as I can tell,
> both 'startkde' and 'gnome-session' expect to be run locally (at least on
> RH7.3), and have some trouble with the SSH connection, although they mostly
> work.  The best option seems to be to comment out the 'twm' line in the
> Cygwin-XFree startxwin.sh/bat and change the '/bin/bash' in the xterm line to
> '/usr/bin/sh -X user@server' and then run either gnome or kde from the
> resulting xterm.
>
> Rasjid.