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other:x_conf [2022/08/08 13:03] jypeter [Installing x410] |
other:x_conf [2022/08/08 13:20] jypeter [Testing] |
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===== Using an X server on Linux ===== | ===== Using an X server on Linux ===== | ||
- | Linux computers come pre-configured with a running X server (because they need it for displaying local graphics) that will display the graphics generated locally and on remote Linux servers. **You don't need to do anything special!** | + | Linux computers come pre-configured with a running //X server// that will display the graphics generated locally and on remote Linux servers |
+ | |||
+ | **You don't need to do anything special!** | ||
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Type: <wrap em>free</wrap> | Type: <wrap em>free</wrap> | ||
- | Download the installer from [[https://sourceforge.net/projects/vcxsrv/|VcXrsv]] and install VcXsrv. | + | Download the installer from [[https://sourceforge.net/projects/vcxsrv/|VcXrsv]] and install ''VcXsrv''. |
=== VcXsrv Configuration === | === VcXsrv Configuration === | ||
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You need to configure ''VcXsrv'' to work in //multiple windows// mode. The following steps will show you how to create a shortcut on your desktop to start VcXsrv in this appropriate mode | You need to configure ''VcXsrv'' to work in //multiple windows// mode. The following steps will show you how to create a shortcut on your desktop to start VcXsrv in this appropriate mode | ||
- | * Start the configuration tool: ''Start'' => ''VcXsrv'' => ''Xlaunch'' | + | * Start the //configuration tool//: ''Start'' => ''VcXsrv'' => ''Xlaunch'' |
* Select ''Multiple windows'', then ''Next'' | * Select ''Multiple windows'', then ''Next'' | ||
* Select ''Start no client'', then ''Next'' | * Select ''Start no client'', then ''Next'' | ||
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* Click on ''Save configuration'' and save an ''X_Server.xlaunch'' configuration file on your Desktop, then ''Terminate''.\\ You should now have a new ''X_Server'' icon/shortcut on your Desktop | * Click on ''Save configuration'' and save an ''X_Server.xlaunch'' configuration file on your Desktop, then ''Terminate''.\\ You should now have a new ''X_Server'' icon/shortcut on your Desktop | ||
* Start the server by double-clicking on the new ''X_Server'' icon | * Start the server by double-clicking on the new ''X_Server'' icon | ||
- | * It will seem that nothing happens, but an ''X'' icon appears in the right side of the taskbar (you may have to look for it in the //Display hidden icons// pull-up menu). Your computer is now ready to display remote graphics!\\ {{ :other:vcxsrv_x.png?direct |}} | + | * It will seem that nothing happens, but an ''X'' icon will appear in the right side of the taskbar (you may have to look for it in the //Display hidden icons// pull-up menu). Your computer is now ready to display remote graphics!\\ {{ :other:vcxsrv_x.png?direct |}} |
* The X server will stop when you close your Windows session or restart the computer. Do not forget to click on the ''X_Server'' icon on your desktop if you know that you will need an X server later | * The X server will stop when you close your Windows session or restart the computer. Do not forget to click on the ''X_Server'' icon on your desktop if you know that you will need an X server later | ||
* FIXME Document how to automatically start the X server... | * FIXME Document how to automatically start the X server... | ||
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==== If you are connecting with ssh ==== | ==== If you are connecting with ssh ==== | ||
- | Nothing special to do! | + | Nothing special to do if you are using [[other:ssh#using_an_x_server_to_display_graphics|"ssh -X" or "ssh -Y"]] |
==== If you are using WSL ==== | ==== If you are using WSL ==== | ||
- | If you have installed [[other:win10wsl|WSL+Ubuntu]] on your local machine, and you need your X server to display graphics generated in WSL, you need to define the DISPLAY variable: ''export DISPLAY=localhost:0.0'' | + | If you have installed [[other:win10wsl|WSL+Ubuntu]] on your local machine, and you need your //X server// to display local graphics generated in WSL, you need to **define the ''DISPLAY'' variable** in your terminal: |
+ | * //bash// shell: ''export DISPLAY=localhost:0.0'' | ||
+ | * //tcsh// shell: ''setenv DISPLAY localhost:0.0'' | ||
+ | * You probably want to define the ''DISPLAY'' variable automatically in one of the shell configuration files | ||
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* Open a terminal and check that the ''DISPLAY'' environment variable is correctly defined on the local machine | * Open a terminal and check that the ''DISPLAY'' environment variable is correctly defined on the local machine | ||
* Connect to the remote machine | * Connect to the remote machine | ||
- | * Check that a (new) ''DISPLAY'' variable is defined on the remote machine | + | * Check that a (new) ''DISPLAY'' variable is automatically defined on the remote machine |
* Check that you can start an application using graphics (e.g. ''xterm'') on the remote machine | * Check that you can start an application using graphics (e.g. ''xterm'') on the remote machine | ||