In this page, X applicatoin indicates the application that is installed in TSUBAME3 and can work on the X environment, that is GUI application.
Please check the troubleshooting below.
1. X server application is installed and active on the client PC
■Windows
There are a lot of X server applications for Windows.
Please confirm that one of them is installed and on active.
■Mac
Please confirm XQuartz is installed and configured.
https://support.apple.com/ja-jp/HT201341
■Linux
Please confirm both of the X11 server application and its libraries are installed.
2. The X transfer option in the terminal is enabled.
■ A Terminal on Windows (Except for Cygwin)
The setting method differs depending on your terminal and X server application.
Please check the manual of each application.
■Linux/Mac/Windows(Cygwin)
Please confirm the ssh command contains the option -y and -c (these are the options for X transfer)
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$ ssh account_name@login.t3.gsic.titech.ac.jp -i key -YC |
Example: in case of gsic_user as account_name and ~/.ssh/t3-key as key, then
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$ ssh gsic_user@login.t3.gsic.titech.ac.jp -i ~/.ssh/t3-key -YC |
Please refer to the output of the following command for ssh option.
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$ man ssh |
3. Error reproduces in another terminal/Xserver
There are various free terminal softwares/X server applications for Windows.
Please check the same error occurs another terminal/X server.
It may be due to compatibility between terminal and X server.
It may be compatible with isv application.
If it does not reproduce in other applications, there is a possibility that it is an application specific problem.
In that case we can not respond even if you contact us, please understand.
In addition, depending on the X application, command options may be required.
Please check the manual of X application you want to use.
Some GL applications that do not work with normal X forwarding/VNC connection may work with VirtualGL, so please give it a try if needed.
For the detail of VirtualGL, please refer to User's Guide.
4. Operation check
If it is in an interactive node, the standard terminal emulator of X Window System is started with the following command. Please confirm whether to start.
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$ xterm |
If xterm works but the X application you want to use does not work, please try "3. Error reproduces in another terminal/Xserver"
Example of failure
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xterm: Xt error: Can't open display: |
Please check 1 and 2 if the error occurs.
5. Application use
Do not execute programs that occupy the CPU at login nodes.
Please use compute nodes for Full-scale use including visualization.
Please refer to the FAQ below for information on using the GUI application at the compute node.
Reference: FAQ "How to transfer X with qrsh"
When using f_node, X transfer can be performed with the ssh -Y command.
Please inform us of the following when you inquire
■Operating System you use (例 Windows10,Debian10,macOS Sierra10.12.6)
■Terminal environment that the error occurs (Cygwin, PuTTY/VcXsrv, Rlogin/Xming)
■Version
For Windows, the both versions of the terminal and X server application.
see the manuals for applications for checking versions.
Please inform the version of SSH in case of using Linux/Mac with the command below.
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$ ssh -V |
■Please send us the contents you tried so far, or if you get an error, please describe the error.