Problem login: couldn't open display
location: ubuntuforums.com - date: November 28, 2013
when I try to login, it starts to load the desktop but comes back to the login window. In xsession-errors it is said that compiz (core) couldn't open display :0.
I have been trying to install and use nvidia drivers yesterday without success, and I got the same error, but I fixed it finally, installing gdm and adding nouveau to modules. I needed to add nouveau to modules on each boot, and the reboot to get access.
Today I tried to go back to lightdm using reconfigure, and now I can't get access anymore with my user.
I know there are a lot of similar threads with similar problems, but no solution worked for me.
- Ubuntu 12.04LTS
- Asus n61jv
- nvidia 325M
-gdm and lightdm installed.
I have done the following:
- Deleted .Xauthority
- deleted xorg.conf
- reconfigure gdm
- deleted everything about nvidia and installed ubuntu --> basic nvidia-common
- added to modules nouveau
- checked permissions on $HOME
- checked sudoers, but there is no such line defaults as i
problem using "xwd".. unable to open display!!
location: linuxquestions.com - date: April 6, 2007
My problem now is whenever i try to run a command to capture the screen to a file
xwd -root -silent | xwdtopnm
it throws the following error:
Many applications unable to open display
location: ubuntuforums.com - date: May 31, 2013
This problem seems to occur once every day or so, and can be temporarily fixed with a restart. When opening an application from the launcher, the icon will pulse for a while with no error, when opening from the terminal, an error similar to "Unable to open display" will be returned.
GeanySystem SettingsRhythmboxLibre OfficeGoogle ChromexkillWineGeditMany more
Applications not affected:
FilesUbuntu Software CentreKAlarmMany more
Ubuntu 8.10 Unable to Open Display after Upgrade from 8.04
location: linuxquestions.com - date: March 27, 2010
I finally got around to upgrading the Ubuntu installation on my laptop from 8.04 to 8.10, fully intending to keep going until I'm current. However, after updating to 8.10, Ubuntu seems unable to open display.
It boots into the command line and while I am able to log in, execute sudo commands and run basic programs like nano, trying to run any programs such as grep or gedit returns the "unable to open display" error.
I am running on a Dell Inspiron 8600 which uses an ATI Radeon Mobility 9600 gpu. I uninstalled the old flgrx driver, reinstalled the X.org driver and configured my /etc/X11/xorg.conf file per these instructions: https://help.ubuntu.com/community/RadeonDriver
Can anyone offer assistance? It'd be greatly appreciated. Thanks in advance!
getting "can't open display" when using ssh
location: ubuntuforums.com - date: August 24, 2012
I'm used to ssh-ing to my other box, and running GUI apps after setting DISPLAY=:0
The X server is on the box i'm ssh-ing to because i'm not using ssh -X.
With the upgrade to 12.04.1, this stopped working (coincidence?)
I'd like to get this working so I can run programs from ssh.
Xforwarding in slack over SSH unable to open display
location: linuxquestions.com - date: June 5, 2006
Maybe if someone has a good 'Xforward over SSH' link that will solve my problems.
I've been following the LQ tutorial here at http://www.linuxquestions.org/linux/...ssh_mini_howto
I'm able to get connection, between two pc's (off my network ) using pass authentication.
the tutorial kind of loses me when it gets to "user pass phrase". is that supposed to be done on the server or the client? or both?
But that aside for now, as I can connect. I'm just trying to get an X window on the client.
I get the infamous 'Error: Can't open display: 19X.xx.xx.xx"
Now I did go into /etc/ssh_config and uncommented & changed this ForwardX11 to
"ForwardX11 yes". Rebooted to make sure sshd took the change and still no luck.
I'm just typing "startkde" after I get logged in. If I do that the server drops out of kde or if it's in run-level three then it goes into KDE lol.
unable to open display "192.168.1.45:0.0"
location: linuxquestions.com - date: April 29, 2008
I am getting the following error when trying to export the remote machine to local display,
First i login to the remote server using telnet
and usiong the following comamnd i try to export the display
# export DISPLAY=192.168.1.45:0.0
unable to open display "192.168.1.45:0.0"
and on the remote server only telnet is allowed for us and we can't to ssh
Can someone tell me how to solve the issue
my os is fedora 7
Thanks in advance
No protocol specified xhost: unable to open display ":0"
- date: December 8, 2008
I recently migrated to ubuntu 8.10 from windows XP. I am trying to setup my development environment on ubuntu.
I am installing oracle 11g by following this link,
but while setting up X-server, I am getting following error,
:~$ export DISPLAY=:0
:~$ xhost +localhost
No protocol specified
xhost: unable to open display ":0"
I tried all suggestion mentioned in above link, but it does not help.
Any help/ pointers appreciated.
ATI Drivers Radeon HD 4600 AGP Error: unable to open display (NULL)
location: linuxquestions.com - date: September 5, 2011
Hi, I'm new user on linux and Slackware, since two years ago, and I apreciate the guides that i found in linuxquestions page, are helpfull for me, but now i try to install the ATI propietary drivers on Slackware 13.37 after make the package install and change the Xorg.conf with aticonfig --initial, then I run the flgrxinfo for test the installation and give me a Error: unable to open display (NULL), do you can help me to find where is the error if you have some experience whit ATI drivers on Slackware.
[SOLVED] Oracle 11g on Oracle Linux xdpyinfo: unable to open display
location: linuxquestions.com - date: March 23, 2014
Firstly, here is my setup:
1. Debian 7 local machine (ip: 192.168.57.1)
2. Oracle Linux on virtualbox (hostname: oraserver; ip: 192.168.57.100)
3. Oracle Linux has no GUI (no xhost, xlock, etc.)
4. I don't want my Oracle Linux to have any GUI.
5. I can ping from local machine to oraserver, v.v.
6. I can ssh from local machine to oraserver.
7. I tried setting up x11 forwarding on oraserver and using the following command, I assumed my setup is correct:
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