X11 forwarding from Amazon EC2 AMI

Question

   local$> echo $DISPLAY
   :0.0
   local$> ssh -X -i PEMFILE ec2-user@AMAZONEC2_AMI
   [ec2-user@REMOTE_AMI ~]$ echo $DISPLAY

   [ec2-user@REMOTE_AMI ~]$ sudo grep X11 /etc/ssh/sshd_config ~/.ssh/*
   /etc/ssh/sshd_config:#X11Forwarding no
   /etc/ssh/sshd_config:X11Forwarding yes
   /etc/ssh/sshd_config:#X11DisplayOffset 10
   /etc/ssh/sshd_config:#X11UseLocalhost yes

Hence the display is not forwarded. a command like emacs & for instance does not show the X11 window on the local desktop. Please advise.

Did you restart your sshd after changing `X11Forwarding` to yes? — Olli, Feb 22 '11 at 19:52
You can also check to see if there is any interesting warning/notes when you run `ssh -vvvv -X -i ...` — Alex, Feb 22 '11 at 19:53
X11Forwading was set to yes from before. For -vvvv debug1: Remote: No xauth program; cannot forward with spoofing. Could this be the reason ? — Humble Debugger, Feb 23 '11 at 15:51

score 22 · Accepted Answer · edited Oct 20 '15 at 11:05

22

I did this:

sudo yum install xorg-x11-xauth.x86_64 xorg-x11-server-utils.x86_64 dbus-x11.x86_64

and I finally got a display variable and it all started to work!

edited Oct 20 '15 at 11:05

Community

1

answered May 16 '11 at 19:23

OttoV

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1

this also worked for me. – xaxxon Dec 30 '11 at 01:42
1

worked for me - I ran the command exactly as presented, then I logged out, and logged back in using ssh -XY [email protected] – Escualo Feb 24 '12 at 18:07
I had to *reboot my instance* in order to get sshd to start offering me X11 forwarding: simply restarting sshd wasn't enough. – crb Feb 27 '12 at 13:48
Worked for me on 6.2, no restarting needed. – aaa90210 Jun 06 '14 at 07:52

score 1 · Answer 2 · answered Aug 12 '18 at 18:54

1

I dont have reputation so posting the answer and it worked for me on amazon RHEL

sudo yum groupinstall "X Window System"

answered Aug 12 '18 at 18:54

user4959

111
1

score 1 · Answer 3 · edited Jun 02 '15 at 07:48

1

Install from the above answer didn't work for my RHEL 6.2 EC2 instance. Here are steps that did work:

$ sudo yum groupinstall "X Window System"

# now disconnect and create a new SSH with -X option

edited Jun 02 '15 at 07:48

devkev

53
1
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answered Feb 23 '12 at 02:11

OutputLogic

111
3

X11 forwarding from Amazon EC2 AMI

3 Answers3