Differences

This shows you the differences between two versions of the page.

--- other:x_conf [2022/08/08 15:24] – [On a Windows computer with PuTTY and an X server installed] jypeter
+++ other:x_conf [2022/08/08 16:57] – [On a Windows computer with WSL+Linux and an X server installed] Improved jypeter
@@ Line 76: / Line 76: @@
     * Right-click on ''X140'' and select ''Enabled''
   * Note: if you need to quit the //X server//, you can right-click on the ''X'' icon, and then click on the //Display// number at the lower left (usually ''0'') and select ''Shut down''
-**Starting, configuring and exiting X410**: you can start X410 by clicking on it in the Windows Start Menu, or choose to [[https://token2shell.com/howto/x410/automatically-start-x410-on-login/|Automatically Start X410 on Login]]
-  * Note: nothing actually happens when you start X410, as it is just waiting to display graphics! You will just get a new **X** icon in the //hidden// icons of the taskbar.
-  * You can configure (and exit) X410 by right clicking on its **X** icon
 ===== Using an X server on an Apple computer =====
-===== Configuration on the remote machine =====
+===== Configuration on the remote Linux server =====
-==== If you are connecting with ssh ====
+==== If you are connecting with ssh or PuTTY ====
-Nothing special to do if you are using [[other:ssh#using_an_x_server_to_display_graphics|"ssh -X" or "ssh -Y"]]
+Nothing special to do, if you are using [[other:ssh#using_an_x_server_to_display_graphics|"ssh -X" or "ssh -Y"]] or ''PuTTY'' to connect to a remote Linux server
 ==== 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 local graphics generated in WSL, you need to **define the ''DISPLAY'' variable** in your terminal:
+You need to know what you consider as the //Local machine//, and what is the //Remote server//
-  * //bash// shell: ''export DISPLAY=localhost:0.0''
-  * //tcsh// shell: ''setenv DISPLAY localhost:0.0''
+  * **Local machine**: your local **Windows computer**, where you have installed [[other:win10wsl|WSL+Ubuntu]]
-  * You probably want to define the ''DISPLAY'' variable automatically in one of the shell configuration files
+  * **Remote server** : we consider 2 types of remote servers:
+    * an **actual remote server**
+    * The **WSL computer** running on a **virtual machine inside your local Windows computer**. This can be considered as a different and //remote// computer, even it is running on the local computer\\ You need your local //X server// to display graphics generated in WSL
+    * **Define the ''DISPLAY'' variable** in the terminals used in WSL:
+      * //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
@@ Line 170: / Line 171: @@
 ==== On a Windows computer with WSL+Linux and an X server installed ====
+We assume that [[other:win10wsl|WSL+Ubuntu]] is installed and that the ''DISPLAY'' variable is [[other:x_conf#if_you_are_using_wsl|configured correctly]]
-  * FIXME ''export DISPLAY=localhost:0.0''
+Open a WSL terminal (you should know how, if you have installed WSL) and type some basic commands
+<code>[Local WSL] $ hostname
+name_of_your_local_machine
+[Local WSL] $ echo $DISPLAY
+localhost:0.0
+[Local WSL] $ xterm
+[Local WSL] $ ssh -X some_login@some_remote_server
+[some connection information skipped here]
+[Remote] $ echo $DISPLAY
+localhost:22.0
+[Remote] $ xterm</code>
 ===== Troubleshooting =====
@@ Line 187: / Line 200: @@
 ==== OpenGL related settings ====
-It's hard to know what the best OpenGL settings for your X server are: it depends on your local computer, the remote computer, the network speed, the application generating the graphics, the libraries' versions...
+It's hard to know what the best //OpenGL// settings for your //X server// are: it depends on your local computer, the remote computer, the network speed, the application generating the graphics, the libraries' versions...
-  * If ''Native opengl'' is activated in VcXsrv, you //may// have to also use the following environment variable on the remote computer: ''export LIBGL_ALWAYS_INDIRECT=1''
+  * If ''Native opengl'' is activated in ''VcXsrv'', you //may// have to also use the following environment variable on the remote computer: ''export LIBGL_ALWAYS_INDIRECT=1''
     * or maybe not! You can try to understand the [[https://unix.stackexchange.com/questions/1437/what-does-libgl-always-indirect-1-actually-do|What does LIBGL_ALWAYS_INDIRECT=1 actually do?]] thread...