Questions tagged [x11forwarding]

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X11 forwarding through WSL

I would like to connect to a remove linux machine via ssh from my windows machine, and forward the x11 server from that machine to mine to be able to view small interactive windows like those ...
ShinyDemon's user avatar
1 vote
1 answer
810 views

X11 forwarding through a jump box

I have a machine that is configured to auto connect to a jump/bastion box when there is an internet connection. I configured its ssh config file as follows: Host tunnel HostName <jump ...
inzel's user avatar
  • 11
1 vote
0 answers
271 views

SSH forwarding - x server display remote program on local machine

Two debian machines Debian 10 Kali Linux 2020 rolling lak:~# sudo ssh -XC spusr@192.168.4.2 works to forward specific programs like firefox, nautilus connected via ethernet lan Things noticed ...
t09's user avatar
  • 21
1 vote
1 answer
534 views

X11 configuration on Ubuntu 18.04. Worked on Ubuntu 16.04

Here is a script which is run in cron for user1 who has sudo privileges export DISPLAY=:0 export XAUTHORITY=/home/user2/.Xauthority scrot -q 30 "/tmp/%Y-%m-%d-%H-%M_screen.jpg" 2&...
Sunny's user avatar
  • 371
1 vote
0 answers
492 views

x11 forwarding: Server has no GPU - and no swrast_dri.so

I am trying to set up my server so that I can use Chromium remotely, which I need to put away some of the silly IP restrictions... Therefore, I need to utilize X11 forwarding and - apparently? - need ...
Ingwie Phoenix's user avatar
2 votes
1 answer
2k views

x11 forwarding not working

I'm having trouble getting x11 forwarding when I ssh into a linux machine from a MAC operating Mojave. When I do ssh -X username@serveraddress, I get the following error appearing after I successfully ...
user_h's user avatar
  • 21
2 votes
3 answers
6k views

X11 forwarding over ssh only working with sudo

Problem I'm unable to get X11 forwarding over ssh working as a normal user anymore. It worked a few months ago, so something has been inadvertently changed. What I've tried Works with sudo: As far ...
jmilloy's user avatar
  • 223
0 votes
2 answers
622 views

Cluster SSH on KDE fails: cssh error 'bad pad value "3m'

I'm having issues getting clusterssh running on a RHEL7.3 install using KDE. I don't believe this is a Perl issue, as I have forwarded X from a CENTOS7 box that yields the same error (That box has no ...
Michael Moser's user avatar
2 votes
1 answer
3k views

SSH X11 stuck for a long time

I routinely run a bunch of experiments (perl scripts) on my lab machines. The client machine I'm currently running my experiments on runs Ubuntu 14.04.5 LTS. These perl scripts, among other things, ...
aspen100's user avatar
  • 121
0 votes
1 answer
715 views

How do diagnose laggy X11 applications running via ssh forwarding?

I am running an X11 application on a RHEL machine on my Windows system using Xming and X11 forwarding over SSH. The responsiveness seems terrible. A second between keystrokes and mouse clicks, etc. ...
GregH's user avatar
  • 291
8 votes
4 answers
91k views

XMing "can't open display" error

Attempting to run XMing, the remote host is Ubuntu, going through Putty. Have spent hours carefully double-checking all settings, reviewing XMing's troubleshooting guide, etc. Rather than continuing ...
David's user avatar
  • 195
6 votes
2 answers
15k views

SSH X11 forwarding is extremely slow over VPN

I'm using an VPN (with OpenVPN) to keep access between my home and work computers, and today I tried to ssh-forward an app which is GUI-only, and I found this to be terribly slow. I've used SSH X11 ...
Roberto Santalla's user avatar
32 votes
1 answer
32k views

How can I set -X (X11Forwarding) in my ~/.ssh/config file for a specific host?

So if I'm VPN'ing in from home, I want all of those connections to have -X specified. I already have the keys copied and an entry in ~/.config with the ip and userid so all I have to do is go: ssh wk ...
user447607's user avatar
2 votes
0 answers
3k views

Start remote XFCE session on second TTY via SSH and X forwarding

I don't know very much about ssh and X forwarding (yet) and I am able to run a few graphical apps on the host machine and forward them to my client by using the -X option on ssh. What I really want to ...
arielnmz's user avatar
  • 433
1 vote
0 answers
304 views

How do I view an X display on a remote host from OSX

I'm running an X server in a under xvfb in an Ubuntu 14.04 Virtualbox VM. The X display is used to run Firefox and Chrome for some Selenium tests. I want to be able to view the contents of this ...
Cera's user avatar
  • 543
1 vote
1 answer
1k views

How to test X11 Forwarding?

I am trying to enable X11 forwarding so that I can run Firefox from the remote host. The remote host is a Vagrant VM running Ubuntu 12.04. The local host is Mac OS X 10.10. I think I have everything ...
Andrew's user avatar
  • 3,423
-1 votes
2 answers
740 views

System missing xorg.conf

I'm having quite a bit of difficulty installing X server on a VM running Debian Wheezy. I basically am just looking to be able to SSH to the box using X11 forwarding. After installing xserver ...
Siler's user avatar
  • 349
-1 votes
2 answers
1k views

Using X11 apps on VPS server, feasible in terms of resources? [closed]

I wanted to run an idea by the experts here. I have a VPS (Debian 7.7, 1GB RAM), which is purely a web server (hosts some important stuff), no desktop installed. But there are some graphical tools I ...
CaptSaltyJack's user avatar
2 votes
3 answers
4k views

Unable to install X11 server on RHEL6

I am tring to install X11 server on a RHEL6 server yum groupinstall "X Window System" "Desktop" "Fonts" but I am getting the following error: Error Downloading Packages: libart_lgpl-2.3.20-5.1....
Mokus's user avatar
  • 412
0 votes
1 answer
1k views

How does ssh work when client and host are on the same machine?

I illustrate my question with the help of docker containers but this example is orthogonal to the rest of the problem. In fact any program that allows the use of bridge interfaces and ssh would do. I ...
lord.garbage's user avatar
1 vote
3 answers
3k views

Forwarding X11 with one hop without X-server installed

problem I want to run X-applications remotely on a machine C from my client A. The only way to connect to this machine is by using machine B (firewall) as a hop: A --> B --> C So far, simple ssh ...
christophwu's user avatar
3 votes
1 answer
439 views

How to tell if an ssh session is using x forwarding (if it was run with -X or -Y)

For a given ssh session, is there a way to tell if it has x-forwarding enabled? I.e. you don't know if the session was established with ssh username@address or with ssh -X username@address.
DilithiumMatrix's user avatar
4 votes
1 answer
599 views

How (not) to setup lightweight WM for occasional server management?

I'm working with our admin team to firm up all the requirements of the dev team before creating some system images. One of the things we ended up needing is a lightweight GUI setup. Knowing that the ...
That Realtor Programmer Guy's user avatar
1 vote
1 answer
327 views

amazon EC2 x11 problems

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 ...
denten's user avatar
  • 111
1 vote
2 answers
8k views

X11 forwarding over ssh applications very slow to start

I have a server that is extremely slow (takes 3-5 minutes) at starting X11 applications over a forwarded X11 link. I have tried connecting to it with 2-3 different machines with different operating ...
CrazyCasta's user avatar
0 votes
5 answers
3k views

Centos 6 x2go dependancy issues when trying to run yum update

I have tried to update x2goserver to the latest version on my CentOS server however I am getting a dependency issues now. From what I can tell it is looking for xorg-x11-fonts-core package. This ...
dgibbs's user avatar
  • 651
6 votes
1 answer
4k views

X11 Forwarding works on Windows with Xming and Putty, but not with ssh command line

I have a micro Amazon instance the I want to use for testing and everything is going fine until the title. If I set up all the info in PuTTy, open it up and run 'xclock', all runs perfectly and it ...
seaders's user avatar
  • 161
16 votes
2 answers
114k views

Can't Open Display - X11 Forwarding - Cent OS

Trying to access X11 my CentOS 6 x32 small Linode VPS through SSH Putty/Xming (enabled X11 forwarding on options). My windows machine is not the problem since it works with others CentOS Servers. ...
jacktrades's user avatar
6 votes
3 answers
745 views

SSH - How to turn on X forwarding on normal connection

I know I can connect to a host and use window apps via running ssh -X <host>. But what if I'm already connected via normal ssh e.g., ssh <host>. Is there a way to turn X forwarding on ...
Greg_the_Ant's user avatar
6 votes
4 answers
8k views

Will a remote X-Windows session run faster if I install a better video card in the remote server?

I don't know much about X-Windows. Sometimes I run a remote X-windows session to an HP DL380 host from my MacBook Pro on the same LAN. I'm using X11 forwarding with the ssh -X option. The X-Windows ...
Nathan Farrington's user avatar
0 votes
3 answers
3k views

Using X11 over SSH from a Mac

So here's my situation: I work for my school as a tech. One of our servers has a firewall problem and isn't accepting connections from outside the network. I tried to SSH into one of the servers that ...
Jake Petroules's user avatar
4 votes
1 answer
6k views

SSH X11 Forwarding XInputExtension missing

When trying to open a GUI-program on a SSH-Session with X11-Forwarding (both client and server have X11Forwarding activated) I get this error: Xlib: extension "XInputExtension" missing on display ":...
markus's user avatar
  • 185
2 votes
2 answers
20k views

SSH X11 forwarding does not work. Why?

This is a debugging question. When you ask for clarification please make sure it is not already covered below. I have 4 machines: Z, A, N, and M. To get to A you have to log into Z first. To get to ...
Ole Tange's user avatar
  • 2,906
14 votes
5 answers
51k views

SSH X11 not working

I have a home and work computer, the home computer has a static IP address. If I ssh from my work computer to my home computer, the ssh connection works but X11 applications are not displayed. In my ...
azat's user avatar
  • 491
183 votes
12 answers
235k views

What does "Warning: untrusted X11 forwarding setup failed: xauth key data not generated" mean when ssh'ing with -X?

When I use ssh -X on my Mac (running OS X 10.6.7) to connect to my Ubuntu (11.04) box, I get the following warning: Warning: untrusted X11 forwarding setup failed: xauth key data not generated ...
Daryl Spitzer's user avatar
3 votes
1 answer
518 views

Can I spy on an X-session if I am logged in as root?

If I were logged into a remote machine as root with ssh -X, how would I go about viewing a particular X11 session that another logged in user was using? (that includes solutions such as remotely ...
chrism2671's user avatar
  • 2,579
-1 votes
2 answers
5k views

Problem opening XWindows programs with xming and SSH Secure Shell

I've installed SSH Secure Shell and xming on my laptop running Windows 7 (64-bit). I'm having trouble starting X Windows applications from the SSH console. I've been able to do it in the past. I've ...
Brian's user avatar
  • 231
0 votes
1 answer
113 views

Forward server process's X11 GUI dynamically to machine of logged in dev

On one of our linux machines we have a server process running. This process mainly uses logs and config files, but a crucial part of the server program uses a specialized GUI, which uses X11. We need ...
Alexander T's user avatar
4 votes
3 answers
2k views

Forward already-running X-window-system applications through SSH

I know that it is possible to forward the windows of an X-windows-system application to a client's desktop via SSH when you start the application in a SSH terminal session which has X-forwarding ...
aef's user avatar
  • 1,745
1 vote
2 answers
3k views

How to start remote Xorg/gnome via ssh & Xforwarding, then close ssh but without shutting down Xorg/gnome?

Question: I have a Linux server where I connect to via ssh. It works fine, and also, X-forwarding works fine (in the local network). Now I wanted to run a server program under wine. because it's a ...
Quandary's user avatar
  • 1,004
3 votes
8 answers
821 views

Terminal server for Linux

What are the features of graphical terminal servers and technologies available for Linux? is it open source/free how well does it scale management (?) what's the network usage, susceptibility to ...
Hubert Kario's user avatar
  • 6,351
6 votes
3 answers
7k views

Setting up xpra for client use in OS X

I've been trying to get xpra to run on OS X for the last few days to connect to my Ubuntu server. Note that there's a GUI for it called shifter, but that (at least on OS X) is still far too buggy. ...
Jonathan's user avatar
  • 301
12 votes
2 answers
9k views

Remote offscreen rendering

My research lab recently added a server that has a beefy NVIDIA graphics card, which we would like to use to do scientific computations. Since it isn't a workstation, we'll have to run our jobs ...
redmoskito's user avatar
3 votes
5 answers
50k views

Trying to get X11 over SSH working: Connection refused by server

Using Cygwin/X11 Launch command in local Xterm for SSH: xterm -e ssh -Y -v -l MyUser myserver.mydomain.com & After logging in, I've run setenv DISPLAY myclient.mydomain.com:0.0 When I try to ...
Luciano's user avatar
  • 131
1 vote
2 answers
898 views

ssh -X How to return a remote forwarded X application to localhost

I'm using Mac OS X 10.6.4 I'm opening an ssh session to a remote system running Ubuntu 10.0.4 Desktop I open a remote VPN connection to a remote network Then: ssh -X user@host screen -S openvas ...
caleban's user avatar
  • 1,116
0 votes
1 answer
620 views

Recording remote xserver output without x-forwarding

Any ideas for essentially creating a loop-back display on a remote server, so I run a X application, and instead of forwarding that display to a local client, the output is essentially 'screen-grabbed'...
Andrew Bolster's user avatar
3 votes
5 answers
23k views

X11 from ssh on Mac OSX to Linux server doesn't work --- Gtk-WARNING **: cannot open display

I installed a program wireshark on my remote linux box and I'm trying to run it with X11 from my mac computer using SSH. Here's my terminal... macosx$ echo $DISPLAY /tmp/launch-f4w6k6/:0 macosx$ ssh ...
user avatar
0 votes
1 answer
609 views

X11Forwarding on MacOSX (Leopard/Snow Leopard)

I have some remote boxes, which are a bunch of Mac Mini's. I access them now through SSH, and it fits my needs to do the maintenance. In the past, I used X11Forwarding with Linux boxes, when I was ...
Shyam's user avatar
  • 264
1 vote
1 answer
438 views

How to use WeirdX applet instead of X11 for remote connections in Mac OS X?

When I am away, I've got an Apple PowerBook set up to use X11 forwarding with SSH to connect to a remote iMac client in my room for server administration. Whenever I start X client programs on the ...
hpy's user avatar
  • 845
7 votes
4 answers
5k views

Detach X11 app and reattach on another?

Given a setup of a headless Linux box running on a network, but having Xorg installed, and having various other machines on the network capable of using SSH with X-forwarding to connect to that box, ...
MidnightLightning's user avatar