Server :: 10.04 Amd64 Activate - Could Not Open Display - Exiting
Feb 9, 2011
I want to install MATLAB 2009 on a ubuntu server 10.04 amd64 which has NOT any gui. The installation was successful however when it comes to activate, it says "Could not open display. Exiting.". Here is what I did:
1- ssh -X user@server
2- verified that I can see "xclock" and "xcalc". Yes I can see...
3- cd /mnt ; ./install
4- I can see the GUI wizard since the X11 forward is working. Installation done successfully.
5- cd /opt/Matlab/bin ; ./activate_matlab.sh
it says: Could not open display. Exiting.
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Apr 25, 2011
since some update to the latest Flash, I've been getting a weird issue. If I'm watching a flash video in fullscreen (via firefox) and hit "esc" to leave full screen, about 20-40% of the time it will screw up the monitor's display of everything. The entire screen gets weird white and colored pixels randomply all over the screen (see the attached picture). Restarting is the only thing that fixes this. I tried logging out and back in but the issue remains. I have two questions:
1. How do I fix this without a restart?
2. What could be causing this?
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Jul 8, 2009
I installed the new debian_lenny_5.0.1_amd64 x64, i am having a nVidia Geforce 8500 GT 512 RAM display card. I was trying to install the driver using the synaptic package manager. I installed them, but i was not able to use the driver. I don't know where the drivers are installed and how to use it. I checked the xorg.conf , and the nVidia driver is not listed there. how to install them .
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Feb 18, 2010
As a newbie I am trying to use kbuntu 9.04 on my AMD64 computer with built in Nvidia 7050 display. I can only get 640x480 or 800x600 screen resolution that does not suit my 22" Supermatch monitor. I have tried numerous xrandr instructions but cannot make any progress please help in simple language.
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Nov 13, 2010
I am using Debian live and my external display does not work at all when connected. I do not see any admin categories that handle this. I have read some posts, but they seem rather difficult. Since I am a novice at this, is there a easy way to do this so I will have the ongoing option to toggle between the laptop and external displays?
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Sep 18, 2010
trying to set up a very minimal X on my 10.04 64 bit version of Ubuntu running nothing but Open SSH and acting as a firewall/router, making a PPP connection. The reason, is that I want to set up KVM/Qemu and run a virtual machine. The virtual machine will have a graphical environment and will be connected to my TV so that I can watch movies, stream TV etc. using it. So far, I have done the following:
sudo apt-get install xserver-xorg xserver-xorg-core miwm
When I try to run miwm the error message is:
(null): can't open display.
I have no DISPLAY variable set, but even when I set one myself using export DISPLAY=:0.0 it makes no difference.
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Oct 24, 2010
One of my servers needs to issue an "apt-get update" command on each of the clients in a lab. However, after the first update, it exits. In trying to replicate the problem with a simpler script, I created the following which fetches the listings of multiple directories from a client:
NUM=0
cat paths | while read DIR; do
ssh server-name ls $DIR > /tmp/$NUM.txt
NUM=`expr $NUM + 1`
done
Again, after the first iteration, the script exists. I tried the following line too, but it made no difference:
bash -c ssh server-name ls $DIR > /tmp/$NUM.txt
The only thing that worked so far is this
xterm -e ssh server-name ls $DIR > /tmp/$NUM.txt
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Jun 28, 2011
I have the following scenario that doesn't seem to work normally. I have a windows 7 pc from which I am using putty to connect to my other linux servers (all running redhat 5 and 6). So here is the scenario that works and one that does not work. And I'm trying to figure out the one that does not work. Scenario that works:
From windows 7 (putty) I ssh into Linux_Server_1.
echo $DISPLAY
localhost:10.0
I run xclock and I see it pop up on my windows 7 pc. I am using xming on windows 7 to help me populate the display from linux to windows. One that does not work:
From windows 7 (putty) I ssh into Linux_Server_1. Then from Linux_Server_1 I ssh into Linux_Server_2.
echo $DISPLAY
<no output>
I try to setup $DISPLAY with localhost:10.0 or 0.0 or even my windows 7 pc ip address:0.0 ....etc Then when I try to run xclock I doesn't work.
I get these error messages: Error: Can't open display: <ip of display>
Also as a side note all our Linux servers are sitting on one subnet. My pc is sitting on another subnet. I use vpn to connect to the subnet where the servers sit from my pc.
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Nov 11, 2010
I have a problem with my wifi adhoc network which I previously had under Windows. I go to network connections, edit connection ,wireless,add then change to adhoc then I cannot press the add button as it is not highlighted, I don't want any security so have not enterd any WEP or WPA information, also How do I do a scan for wireless networks/devices in my area?
I have a number of devices plus the chap next door who connects to my wired internet connection using my wifi adhoc network that are unable to do so at present.
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Jul 21, 2009
I am trying to setup a chroot with a sshd service running. when I start the sshd in the chroot and login I get this message. Can not find anything on google.
[damien@dev ~]$ ssh -l damien localhost -p 2233
damien@localhost's password:
Last login: Tue Jul 21 13:32:52 2009 from 127.0.0.1
debug3: PAM session not opened, exiting
Connection to localhost closed.
[Code]...
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Feb 15, 2016
I installed Open Office 4 on Debian 8 but when I run the program I get this error message.
root@localhost:/home/paul# openoffice4
No protocol specified
No protocol specified
/opt/openoffice4/program/soffice.bin X11 error: Can't open display:
Set DISPLAY environment variable, use -display option
or check permissions of your X-Server
(See "man X" resp. "man xhost" for details)
Open Office works fine when I run the command "startx" in the Konsole but so far I haven't been able to configure it.
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Feb 18, 2011
We have a digital signage appliance built on SUSE 11.3 with a LAMP server that uses the flashplayer application to play a .swf file from localhost. It is a AOpen GP7A mini pc that has the nVidia drivers loaded. We have lots of customers that have been running the exact same system for over 6 months (we image the drive for each sale).
For some reason, my last customer is seeing the following problem shown below, and this linux configuration is way over my head. Everything else is working (local LAMP server is working, communicating with our production servers to get information works, etc). I have verified that it is screen 0 that is running (at least it shows with Ctrl-Alt-F7). I thought that it may have occurred because of updating the software with zypper up. I had the customer rebuild from the image being careful not to upgrade the software. The result was the same. The pc is a newer version compared to my bench pc, but there are multiple other customers running that same version just fine. So I am not sure if it is
The command is issued by a php script that is run in a root cron job. As I said, it works great on all other customer pc's including my bench system. I also tried to execute the command on a ssh terminal as the root user with the same result. I also upgraded my bench pc and it still worked properly.
The command being executed is sudo env DISPLAY=:0 XAUTHORITY=/home/svision/.Xauthority flashplayer http://localhost/flash/sign.swf &
the result (when run in terminal) is: No protocol specified (flashplayer:15077): Gtk-WARNING **: cannot open display: :0
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May 11, 2010
We rebooted the server an got the following error:
Quote:
RHEL xhost unable to open display ""
Can't login or do anything at the monitor or kb. How ever I can ssh to the server, not sure where to start looking. I have two servers that are the same and checked the xorg.conf on both servers and they looked the same.
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Jul 20, 2011
I have configured an instance in AWS EC2. I am trying to set the display back so I can run x apps. I login using ssh -xy -i...
export DISPLAY=XXX.XXX.X.XXX:0.0
echo $DISPLAY to verify
xhost +
xhost: unable to open display "XXX.XXX.X.XXX:0.0"
I have commented out nolisten tcp as suggested HERE I have modified /etc/gdm/custom.conf as suggested HERE Actually, the last suggested modifying /etc/gdm/gdm.conf, but that file didn't exist, so I added the line: DisallowTCP=false to /etc/gdm/custom.conf I rebooted, and still I get: xhost: unable to open display "XXX.XXX.X.XXX:0.0"
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Feb 24, 2011
cups does not start with the server. When I try to start from the terminal I get the error message
cupsd: Unable to read configuration file '/etc/cups/cupsd.conf' - exiting!
cupsd: Child exited with status 1!
The log files show nothing. cupsd.conf exists. It is user - root and group - root with permissions set at 0644.
My interpretation of this is that the program is not launching from either boot or terminal for a fundamental reason. I do not quite see what that reason is .
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Jul 27, 2011
I have just installed Xubuntu 11.04 and I have noticed that "windowskey" doesn�t do anything
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Jul 12, 2011
For whatever reason, I cannot for the life of me install server amd64 on my server machine. I have a quad-core phenom 1st gen. USB/CD/HD, it doesn't matter what media its from. It randomly freezes on unpacking or configuring, the steps after configuring the network. If I shutdown, I can sometimes get further, or sometimes its shorter. I can't have it connected to the internet when installing or it goes bonkers. I have tried most of the fixes suggested around the forums, to no avail.
Now here is the crazy thing, I installed Ubuntu 64 Desktop with no problems. So for now, I will continued to install desktop and using tasksel to change it to a server.Oh BTW, I just found out installing desktop works, but I have had this server install problem since Gutsy. The 32bit version installs just fine.
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Aug 20, 2010
I've just installed xterm, ant trying to run it from my windows machine using ssh. I have X11Forwarding yes on /etc/ssh/sshd_config when I use, MobaXterm, np, I can use xterm after I log ssh -X xxx
but when I use Cygwin, and do ssh -X xxx, and then xterm, I have: xterm XT error : Can't open display: xterm: Display is not set
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Aug 25, 2009
After install rhel 5.1 is there any way to activate rhn support.because at the time of insatalltion have choosed i will do it later.
now i have to take the updates from redhat server.
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Jan 10, 2010
I have installed Slackware13, it is awesome.but I have couple of issues,I need to install adobe flash plugins to my firefox browser, the automatic install option failed for no reason and gave me manual option. I have downloaded tar extension file and don't know what to do next.
My package update manager is not working when I choose that option, it says smart manager need to be installed, not sure how it install it.while installing what kind of packages I can select for slackware e.g debian type, rpm type etc.How to activate ssh server?
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Dec 26, 2010
When i ssh to server using -X, i always confuse about which display number i should export. It seems to me sometimes the display number has been used by something, so what i can do is only
export DISPLAY=localhost:0 && xclock
export DISPLAY=localhost:1 && xclock
export DISPLAY=localhost:2 && xclock
[code]....
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Jan 17, 2010
I wrote a small script :
#cat myscript.sh
NEWFILE=dojas.sh
touch $NEWFILE
in that script I create some alias commands an pipe them to a new shell script (called dojas.sh) however after execution of that script , I do not see the aliases jan1 and jan2 in my terminal. Even if I execute the dojas.sh srcipt manually , I do not see the aliases in the alias output of my terminal. The only way I can make the aliases active is do the following : cat dojas.sh copy and paste the alias rules, and they are active in my session. How can I make sure that I can activate aliases and they are active in my terminal from a script ?
Note : I am not interested in .bashrc file, I want them to be active in my current session.
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May 6, 2009
I have installed apache on my linux server successfully but just found out that i needed to secure my apache server with SSL. When installing apache I didn't do this line:
./configure
--prefix=/srv/webserver/apache2
--enable-ssl <------------------------ didnt do this line
My installation does not have the mod_ssl. How do I activate the SSL on my apache without having to install it all over again?
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Sep 21, 2010
The following is a subset of error messages I'm getting when trying to do "apt-get upgrade" or "apt-get dist-upgrade" on a machine running ubuntu server 9.10 amd64:
Code:
Preparing to replace linux-image-2.6.31-22-server 2.6.31-22.60 (using .../linux-image-2.6.31-22-server_2.6.31-22.65_amd64.deb) ...
[code]....
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Oct 1, 2010
I have a 'Rackable Systems' server with an HDAMA mobo - Dual CPU Opteron 250 2.4GHz with 2x memory modules per CPU. It seems to run fine, but it hangs every hour or so! I am running Ubuntu 64-bot 10.10, which is currently a beta release so I haven't discounted that as the problem yet, but suspect it unlikely. However, I am downloading 10.04 as I type...dmesg spits out lots of awful messages like these:
[ 1314.920127] EDAC MC1: CE - no information available: amd64_edacError Overflow
[ 1315.920047] Northbridge Error, node 0, core: 0
[ 1315.920060] ECC/ChipKill ECC error.
[ 1315.920066] EDAC amd64 MC0: CE ERROR_ADDRESS= 0x1484410
[ 1315.920082] EDAC MC0: CE page 0x1484, offset 0x410, grain 0, syndrome 0x11c1, row 0, channel 0, label "": amd64_edac
(there are variations on the node, core, address, offset an syndrome etc.)I have tried swapping CPUs over and running with only CPU.I have also swapped all the memory around in almost every permutation.Another worrying symptom is that when I run memtest86+ from a boot disk, it shows zero errors up until the point where the server turns itself off without warning - it hasn't yet completed the test...
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Feb 26, 2010
I have a machine running karmic server and it will not let me mount a USB drive unless I go throught the terminal process of mounting the drive. How to activate automount on a server edition. My workstations do it automatically, why can't my server?
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Aug 4, 2010
I installed OpenVPN and gadmin-openvpn-server from the repos and I can't seem to activate the openvpn server in the gui. I have the server certificate generated, and all the information on encryption protocols setup, and accounts named and ready, despite accounts that were already there, such as www-data, bind, ossec, etc being listed. The server log states:
PLUGIN_INIT: could not load plugin shared object /usr/lib/openvpn-pam-auth.so: /usr/lib/openvpn/openvpn-pam-auth.so: cannot open shared object file: No such file or directory.
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Feb 14, 2010
This has really thrown me. I have been using Ubuntu for a few years now and have just decided to upgrade my home server with a bigger hard drive. I have opted for a fresh install of Ubuntu 9.10 x64 server edition and have plugged my new SATA hard drive and existing IDE CDRom drive into my box.
The install disk burns fine and verifys itself. I have also checked that it is ok as part of the install and again it shows as all ok. The install starts fine and I can partition the drive (either mannually or guided) abd the base system starts to install but then at around 50% (roughly) I get a pop up box saying:
"Please insert the disc labeled: 'Ubuntu-Server 9.10 _Karmic Koala_ - Release amd64 (20091027.2)' in the drive /cdrom/' and press enter. Pressing enter does nothing. I can't eject the CD any way and obvioulsy have no second disk! I have burnt a fresh downloaded iso but again have the same problem.
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Feb 16, 2011
Currently our cluster is based on AMD opteron processors. We are going to add more nodes however I want to know is it good to add Intel xeon processors. They both claim to be x86 compatible however I don't know if they are really math each other.Does a program compiled on Intel xeon really works on opteron (amd64)?
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Jan 30, 2011
We're running Ubuntu 10.4 on our server. When I ssh there, I can open xclock and emacs and the GUI appears on my desktop.
But when I try to open evince, I get the following error:
Code:
$ evince
X11 connection rejected because of wrong authentication.
Cannot parse arguments: Cannot open display:
[Code].....
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