X11-forwarding over ssh is when a user logs in securely to a remote machine, starts X applications on that machine, and is able to view that remote desktop on his local screen.
22
votes
2answers
9k views
Difference between `ssh -Y` and `ssh -X`
What is the difference between ssh -Y and ssh -X? As far as I have understood it, it has something to do with security, but I did not grasp the difference and when to use which.
7
votes
2answers
1k views
Redirect existing windows via SSH and X11 forwarding?
Using ssh -X user@host I can start programs on the host and X11 forwarding allows me to see their windows on the remote machine. However, I'd like to be able to forward/redirect existing windows.
How ...
4
votes
1answer
4k views
SSH X11-Forwarding gnome-session/lightdm-session
Client: Ubuntu 11.10 64-Bit
Server: VirtualBox Ubuntu 11.10 64-Bit
I would like to start a gnome-session/lightdm-session, but it doesn't work. Even though I'm able to start single programs like ...
3
votes
2answers
3k views
“can't open display” weirdness over ssh
Some time back, (maybe a year?), my environment was working correctly. But some time in the last year or so I started getting "can't open display" errors.
It's weird because I can ssh into the ...
3
votes
1answer
295 views
How do I X forward a Windows application to a Linux system using ssh?
Ok, so if I have two Linux Machines (A and B) and I have a program on one, and want to run it on be I do:
user@LinuxA:~$ ssh -X LinuxB
user@LinuxB:~$ programName
(Displays on LinuxA machine)
Ok ...
3
votes
1answer
3k views
X11 forwarding broken
I cant for the life of me get x11forwarding to work. I did everything 'by the book'...
Both client and server is running ubuntu 11.04. Both have ssh, vnc, x11 and FW ports open
/etc/ssh/ssh_config
...
2
votes
3answers
5k views
“Can't open display” even after access with xhost
I'm trying to run a graphical program remotely, without using ssh. I've set the display variable on the server (let's say server.com, Linux, not ubuntu, and no su rights) to point to my workstation ...
2
votes
2answers
744 views
using x11 forwarding with ssh and vnc?
I am working on a remote cluster via ssh with the -X option, because I need to visualize data and graphs, over a vpn protocol. Sometime due to the instability of the internet connection I lose my ...
1
vote
2answers
1k views
Error setting kb layout with `setxkbmap`
I have x11-forwarding set up from an ubuntu 12.04 vm to my (windows) laptop. It works, but when I type in the forwarded applications, it is using the qwerty layout and I would like it to use colemak.
...
1
vote
1answer
31 views
How do I configure matplotlib to work on EC2?
We are trying to set up a virtual development / research cloud environment for our students. Students need to be able to log-in, launch python IDE, and plot some graphs for their homework.
We are ...
1
vote
0answers
24 views
How can I let somone over ssh have access to pulseaudio?
I recently had a really good post here where I was able to figure out how to setup virtualgl and use it with X11 forwarding in ssh. I am using it to make a kind of multiseat setup. I only have one ...
1
vote
1answer
391 views
Xming Alternative for ubuntu
I have a ubuntu machine that can be accessed remotely using putty. I run xming in the windows and Enabled X11 forwarding in putty. So if i start wireshark in the putty, i get the display in my ...
1
vote
1answer
359 views
X11-Forwarding ubuntu server
I'm trying to enable X11 forwarding from my headless ubuntu server (12.10) to regular ubuntu to forward virt-manager so I can install windows kvm machines. The problem is when I try to open an X ...
1
vote
2answers
1k views
SSH to open GUI on target machine?
I know -X -Y options in ssh for X11 forwarding.But these options open the gui apps on my pc.But I want to open a gui application "exactly" on target machine. So please help me with this. I tried this ...
0
votes
1answer
26 views
Is it possible to have the remote host name appear in X11 windows?
I found that running applications over X11 from remote virtual machines give a lot better performance than VNC or Spice. However, it can get confusing when you have a bunch of windows open on your ...
0
votes
2answers
1k views
Reverse X11 forwarding
I was playing with my phone (that runs a Linux/X stack) last night and I managed to ssh into my desktop and run an application and have it show up on my phone. It was awesome.
Today I'd like to sort ...
0
votes
1answer
300 views
GUI application on (from ?) a server without X11
Is it possible to run a GUI application (firefox / xterm / GNU plot) on an Ubuntu server (The server does not have X11 installed) over an SSH with X11 forwarding (The client has X11 installed)?
I am ...
0
votes
0answers
79 views
Unable to fork: Cannot allocate memory
frequently getting 'fork: Cannot allocate memory' when running commands over ssh. I have 64Gb of RAM and usually 1~2Gb free.
swap is more than 8gb free
Ubuntu version:"Ubuntu 12.04.2 LTS" Desktop ...
0
votes
0answers
162 views
X11 forwarding through SSH suddenly failed [closed]
As the title describes i have simply been using X11 forwarding SSH successfully for weeks, but suddenly this does no longer work:
rosrun rqt_graph rqt_graph
rqt_graph: cannot connect to X server ...
0
votes
0answers
182 views
ssh opengl error: X Error of failed request BadRequest
The remote pc is a Ubuntu 12.04 (precise) 64-bit with an NVIDIA graphics card and driver (version current-updates) and the local is a macbook-air with an Intel HD graphics 3000 running Mac OS X Lion ...
0
votes
0answers
231 views
X forward through reverse ssh tunneling
I have a quite complex question to ask. The problem is with the system admin who has some special preferences...
The problem:
I want to run remote X applications but forward it to my computer. The ...
0
votes
0answers
209 views
X11 forwarding - can't get some apps to display
I have a bunch of 11.10 laptops I'm administering. I am currently trying to start a remote desktop session to an user that's logged in. Here's what worked in the past.
ssh -XC root@111.222.111.222
...
0
votes
1answer
61 views
Loop function in /bin/x11
There is a quest about /bin/x11/ in Ubuntu 11.10.
X11 generate a loop, while a second X11 map is also in it, but it is not possible to delete or change the inbound X11 map within X11.
With regards ...
-1
votes
2answers
65 views
exporting X11 over ssh
I have a server sitting in a remote lab where I have installed openstack.I want to be able to access the xwindows on that machine so as to be able to use the http interface.
I am running Ubuntu 11.04 ...
-1
votes
0answers
10 views
ssh mac error message: “Ygl: ginit: can't open display ”“ ” [closed]
I am trying to remotely get access to a mac using ssh. I tried to run a program in X11 But this error message always come out. I edited $sshd_config$ and $ssh_config$ on that mac trying to enable the ...
