Re: using ssh and X
Re: using ssh and X
- Subject: Re: using ssh and X
- From: Randy Ford <email@hidden>
- Date: Sun, 16 Feb 2003 13:05:23 -0600
On Sunday, February 16, 2003, at 10:01 AM, Josh Kuperman wrote:
Has anyone been able to get X forwarding to work through a Wireless
Linksys DSL/Cable Router. I can't get it to bring up an Xterm across
my local net.
My laptop is 192.168.1.3 and my desktop is 192.168.1.2
I issue 'xhost +' on my laptop.
I 'ssh -X' to my desktop
You don't need to use xhost +. The ssh -X handles the security without
opening your machine to any host who wants to mess with it.
At this point any attempt to start an xtermp complains about the
DISPLAY.
I 'setenv DISPLAY 192.168.1.3'
If you are using ssh -X, don't change your DISPLAY: it is set by ssh to
a "proxy" on the remote machine. If you override the DISPLAY, you will
not be using the ssh X11 Forarding at all.
If, for some other reason, you do set the DISPLAY, you need a Display
number as well as the ip: 192.168.1.3:0
and now everything hangs.
Check that your desktop's sshd server is configured for X11 forwarding.
In /etc/sshd_config, you should have a line like the following:
X11Forwarding yes
If is is set to "no", change it to yes. You'll need to bounce the sshd
server to have it pickup the changes:
# get pid of sshd server:
ps -ax|grep sshd
# use the first number from the line returned above for "pid"
sudo kill HUP pid
Since I go back and forth between boxes, I set sshd for X11Forwarding
on all machines.
randy.
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