Browse other questions tagged display aws or ask your own question. share|improve this answer edited Feb 28 '12 at 9:11 answered Feb 21 '12 at 8:47 harrymc 191k7168410 4 +1 for the Note that IP = is the local workstation's IP The Ubuntu guys must be messing around with defaults again. –Zoredache Jul 13 '11 at 19:50 1 @DerfK, in my system "X11Forwarding yes" was there already still I am getting This is localhost in a normal terminal window. his comment is here
Ubuntu Logo, Ubuntu and Canonical © Canonical Ltd. Why is the 'You talking to me' speech from the movie 'Taxi Driver' so famous? I reinstalled things on my workstation and since then I frequently get one-time message along the lines The authenticity of host 'hostname (XXX.XXX.XXX.XX)' can't be established. Cannot Open Display Ubuntu more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed
The easiest way to check if this is the problem is to use the -y flag with ssh. Error Can't Open Display Localhost How to reply? US Election results 2016: What went wrong with prediction models? http://askubuntu.com/questions/438451/could-not-open-display-null-error-how-can-i-fix-this svccfg â€“s /application/x11/x11-server listprop options/tcp_listen svccfg â€“s /application/x11/x11-server setprop options/tcp_listen = true share|improve this answer edited Mar 19 '15 at 0:23 G-Man 3,13391224 answered Mar 18 '15 at 22:52 Doug Somers
Join Date Nov 2009 BeansHidden! Gtk Warning Cannot Open Display Ubuntu What is a satisfactory result of penetration testing assessment? My boss asks me to stop writing small functions and do everything in the same loop Is there an actual army in 1984? via ssh) that no graphical interface provides. –A.B.
Blogs Recent Entries Best Entries Best Blogs Blog List Search Blogs Home Forums HCL Reviews Tutorials Articles Register Search Search Forums Advanced Search Search Tags Search LQ Wiki Search Tutorials/Articles Search this content One that remains is the risk of displaying windows from untrusted systems. The project, although technically successful, has some real world challenges like the odd fact that finding programs that only use the safe subset is really hard because a lot of the What logs on the workstation document these failed attempts? Error Can't Open Display Xclock
What Could Cause Flash Over / Arcing to Reappear on New Plugs? Are keywords in resolv.conf case sensitive? more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed http://ibuildsystem.com/open-display/ubuntu-firefox-error-cannot-open-display.php Specifically I was trying to run scratch (which I installed via aws): [email protected]:/usr/bin# ./scratch Executing: /usr/lib/squeak/4.4.7-2357/squeakvm -encoding UTF-8 -vm-display-x11 -xshm -plugins /usr/lib/scratch/plugins/:/usr/lib/squeak/4.4.7-2357/ -vm-sound-ALSA /usr/share/scratch/Scratch.image Could not open display `(null)'.
It doesn't seem like it should be necessary to tell the OS that localhost and 127.0.0.1 are equivalent, but it works, at least. Gtk Warning Cannot Open Display Ssh Editing /etc/hosts seems to have no effect; and DNS is correctly configured ("dig localhost" correclty report both 127.0.0.1 and ::1) So, it seems to be a bug in whatever does DNS If you still get the "cannot open display" error, set the DISPLAY variable as shown below. $ export DISPLAY='IP:0.0' Note: IP is the local workstation's IP where you want the GUI
This depends on which virtual console your GUI is running but in most cases on Ubuntu that will be 7, so you can get back to it using Alt+F7. I can't reproduce your problem on 14.04, but this has worked for me in the past when sudo / gksu threw this error. Link anil kumar November 6, 2014, 10:56 am i am trying to connect the IBM P740 system via xmanager , for oracle installation . Gtk Warning Cannot Open Display Raspberry Pi But i am not able to connect i get "XDMCP connection failed.
Another file that defines environment variables is /etc/environment. You therefore need to: If you are logging in to a remote machine using something like ssh, you will need to export the $DISPLAY of your local machine and tell the Enable X11 forwarding While doing ssh use the option -X to enable X11 forwarding. $ ssh [email protected] -X Enable trusted X11 forwarding, by using the -Y option, $ ssh [email protected] -Y check over here This can be done with the -X or -Y options of ssh: ssh -Y [email protected] As explained in man ssh: -Y Enables trusted X11 forwarding.
[email protected]:~$ But I don't know what do you mean by verbose on server side mahmoodn View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts It's$ echo $DISPLAY :0for my first X server and$ echo $DISPLAY :1for the other one I'm running.How exactly do you start X?I start manually,startx Offline Pages: 1 Index Â»Newbie Corner Â»Gtk-WARNING Type: Code: xhost This command will tell you which users has access to that computer's X server.