Re: Problem connecting app to X display server--more failed efforts
>----- Original Message -----
>From: "Vineet Kumar" <debian-user@virtual.doorstop.net>
>To: <debian-user@lists.debian.org>
>Sent: Tuesday, June 25, 2002 11:04 AM
>Subject: Re: Problem connecting app to X display server--more failed
efforts
>* Sivea Key (siveakey@attbi.com) [020625 09:45]:
>> [additional efforts]
>> I did some further research and typed: set DISPLAY <hostname>:0.0; export
>> DISPLAY
>That looks like a mixture of csh-style and sh-style syntax. try isntead
>DISPLAY=:0
>export DISPLAY
This syntax (with the addition of the hostname before the :0, worked
great!!). The orginal syntax is directly from "Debian GNU/Linux 2.1
Unleashed". Hmm.
>That's the matter of syntax. As for the matter of semantics, you
>shouldn't be resetting DISPLAY to use X apps across a network. You
>should be using ssh with X11 forwarding. The reason is that sending an X
>connection in the clear is like using telnet: anything you type can be
>sniffed from the network. ssh helps protect you from that by tunneling
>the connection through an encrypted tunnel. Debian helps you stay secure
>by not enabling tcp listening by default in the X server installation.
>The best way to do this is to start on the machine you want the app to
>be displayed on, and go
>ssh -X otherhost application
>For this to work, the ssh server on otherhost must allow X11Forwarding
>in /etc/ssh/sshd_config as well.
Thanks for the advice, I had just read similar precautions in the
aforementioned book. I am, however, on a test machine within a private
production LAN trying to get a distributed app style simulation software to
run so I can help alter it to a client's specs. I want to keep everything as
vanilla as possible so I have less to troubleshoot! :)
Now, how do I set the DISPLAY (and other variables I had to set for this
program) permanently? And do I set them as root, su, or my normal user
account?
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