Error Opening X Display Check Valid $display
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client technical bulletin 101; Synergy; cm; ccm won't start; can't start; startup; crash; classic client; error can't open display linux TB101; KB1481 Technote (FAQ) Question How do you diagnose start problems error can't open display localhost with the IBM Rational Synergy classic client? Cause When you start an IBM Rational Synergy classic client
Xhost Unable To Open Display
session it can fail for many reasons. This document takes you though some of the most common errors and how to resolve them. Answer Overview This document is
Cannot Open Display Ubuntu
intended to help in troubleshooting problems in starting a classic Synergy client session. The classic client is also known as the 'Thick' client. The other client option is known as the Developer Client or Java Client or Thin Client. This is a fundamentally different client, with a different startup process and is not covered by gtk warning cannot open display ubuntu this technical paper. If you are having problems with the Java client see if you can start a classic client first. Once resolved then try the Java client. If you still have problems contact Rational Customer Support. This document is divided up into two sections. General introduction discussing what happens when the Synergy session starts. A list of commonly seen problems (and some not so commonly seen) and possible solutions. Information about 'ccm start' command In order to start a Synergy session in a distributed installation, several different Synergy processes need to consistently identify which host they are on, find each other, and successfully communicate. In order to make the later sections clearer, let’s first introduce the main processes involved in starting a session. In broad terms the relevant Synergy processes are as follows: UI: a session's user interface process. This can be a Graphical UI or Command Line Interface session Engine: a session's engine process sqlexecd: database server network daemon. (Relevant for release 4.
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and
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policies of this site About Us Learn more about Stack Overflow the gtk warning cannot open display raspberry pi company Business Learn more about hiring developers or posting ads with us Unix & Linux Questions Tags Users Badges gtk warning cannot open display linux Unanswered Ask Question _ Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Join them; it only takes a http://www-01.ibm.com/support/docview.wss?uid=swg21325155 minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top X client forwarded over SSH “cannot open display: localhost:11.0” up vote 13 down vote favorite 2 I have enabled X forwarding on remote machine where SSH server is running: # grep -i forward /etc/ssh/sshd_config X11Forwarding yes # http://unix.stackexchange.com/questions/108679/x-client-forwarded-over-ssh-cannot-open-display-localhost11-0 On local machine, I have started SSH client with -X flag which instructs the SSH server, running on remote machine, to set up a X-server proxy. In addition, it creates the $DISPLAY variable which points to this proxy and calls the xauth to install a proxy key which authenticates to this X-server proxy on remote machine: # echo "$DISPLAY" localhost:11.0 # xauth list | grep 11 A58/unix:11 MIT-MAGIC-COOKIE-1 39324086672d1ae35e373476c3891a77 # However, X clients on remote machine do not start properly: # wireshark (wireshark:10083): Gtk-WARNING **: cannot open display: localhost:11.0 # xterm Warning: This program is an suid-root program or is being run by the root user. The full text of the error or warning message cannot be safely formatted in this environment. You may get a more descriptive message by running the program as a non-root user or by removing the suid bit on the executable. xterm: Xt error: Can't open display: %s # X forwarding doesn't use xhost so at least this can be excluded. I tried to find some useful log entries both on machine where SSH server is running and machine where SSH
CommunityOracle User Group CommunityTopliners CommunityOTN Speaker BureauJava CommunityError: You don't have JavaScript enabled. This tool uses JavaScript and much of it will not work correctly without it enabled. Please turn JavaScript back on https://community.oracle.com/thread/2358808 and reload this page. Please enter a title. You can not post a blank message. Please type your message and try again. More discussions in Database Installation http://askubuntu.com/questions/61690/ssh-x-xt-error-cant-open-display-0-0 All PlacesDatabaseGeneral Database DiscussionsDatabase Installation This discussion is archived 7 Replies Latest reply on Jan 16, 2013 2:54 PM by EdStevens xhost unable to open display 4joey1 open display Mar 7, 2012 2:35 PM Hallo!I am trying to install Oracle 11gR1 on Oracle Enterprise Linux 5.5.I have been trying to set DISPLAY parameters to launch the OUI but I get the error below. I am doing the installation directly on the db server (and not accessing db server from any client machine) and the cannot open display IP for db server is 10.0.0.1. [root@joey-oel ~]# xhost + access control disabled, clients can connect from any host [root@joey-oel ~]# export DISPLAY=10.0.0.1:0.0 [root@joey-oel ~]# echo $DISPLAY 10.0.0.1:0.0 [root@joey-oel ~]# xclock Error: Can't open display: 10.0.0.1:0.0 [root@joey-oel ~]# su - oracle [oracle@joey-oel ~]$ echo $DISPLAY 10.0.0.1:0.0 [oracle@joey-oel ~]$ xhost + xhost: unable to open display "10.0.0.1:0.0" [oracle@joey-oel ~]$ xclock Error: Can't open display: 10.0.0.1:0.0 [oracle@joey-oel ~]$ cd /install/database [oracle@joey-oel database]$ ./runInstaller Starting Oracle Universal Installer... Checking Temp space: must be greater than 80 MB. Actual 59727 MB Passed Checking swap space: must be greater than 150 MB. Actual 7012 MB Passed Checking monitor: must be configured to display at least 256 colors >>> Could not execute auto check for display colors using command /usr/bin/xdpyinfo. Check if the DISPLAY variable is set. Failed <<<< Some requirement checks failed. You must fulfill these requirements before continuing with the installation,at which time they will be rechecked. Continue? (y/n) [n] Please assist in solving this issue. Thank
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 answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Ask Ubuntu Questions Tags Users Badges Unanswered Ask Question _ Ask Ubuntu is a question and answer site for Ubuntu users and developers. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top ssh -X “Xt error: Can't open display: :0.0” up vote 6 down vote favorite 1 I'm trying to open xterm on my remote server (Ubuntu Server 10.04) with ssh: ssh -X name@machine xterm but the error returned is: xterm Xt error: Can't open display: :0.0` I googled and tried everything I found. Still getting this error. The DISPLAY-variable should be set automatically, right? Part of sshd_config: X11Forwarding yes X11DisplayOffset 10 PrintMotd no PrintLastLog yes TCPKeepAlive yes Any advice? xorg ssh x11 xterm share|improve this question edited Sep 4 '12 at 21:02 Dave Jarvis 5011417 asked Sep 16 '11 at 14:11 Fabian 31113 Can you run xterm in the current terminal before ssh-ing? –enzotib Sep 16 '11 at 15:56 @belacqua: it is not required. I usually connect to a remote headless server and could easily run remote X applications on the local X server. –enzotib Sep 16 '11 at 18:09 @enzotib -- thanks ; I didn't know that. –belacqua Sep 16 '11 at 18:23 @enzotib sorry, I didn't see your comment. Yes, I can open xterm on my local machine –Fabian Sep 16 '11 at 18:28 add a comment| 6 Answers 6 active oldest votes up vote 6 down vote If ssh is able to establish the connection, it will set DISPLAY to the proper value. Since you have X11DisplayOffset set to 10 (the default value), ssh will use the first available display starting at 10. If you see a value that's lower than 10¹, then something is interfering with the normal X11 forwarding set up by ssh, at least by overriding DISPLAY. The value :0 (or :0.0, the part after the dot is irrelevant) indicates the first display that was started on the machine, which in typical cases is the active session