other:x_conf
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| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
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other:x_conf [2022/08/09 15:11] jypeter [Testing] Added the Testing plan section |
other:x_conf [2022/08/09 15:35] jypeter [Testing plan] Added link to expected errors |
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| * ''xterm &'': the **recommended test application**. It will open a new terminal on the remote machine | * ''xterm &'': the **recommended test application**. It will open a new terminal on the remote machine | ||
| * ''xeyes &'', ''xclock &'', ''gvim &'', ''gedit &'', ''eog &'', ''evince &'', ... : other //standard// applications, that may be installed (or not) | * ''xeyes &'', ''xclock &'', ''gvim &'', ''gedit &'', ''eog &'', ''evince &'', ... : other //standard// applications, that may be installed (or not) | ||
| + | |||
| + | The test may fail, due to the [[other:x_conf#nothing_works|usually expected errors]] | ||
| ==== On a Linux computer ==== | ==== On a Linux computer ==== | ||
| Line 156: | Line 158: | ||
| localhost:20.0 | localhost:20.0 | ||
| - | [Remote] $ xterm</code> | + | [Remote] $ xterm &</code> |
| ==== On a Windows computer with only an X server installed ==== | ==== On a Windows computer with only an X server installed ==== | ||
| - | We just open a ''Powershell'' window (''Start'' => ''Windows Powershell'' => ''Windows Powershell'') and type some basic commands | + | We just open a ''Powershell'' window (''Start'' => ''Windows Powershell'' => ''Windows Powershell'') and type some basic commands, including the creation of a ''DISPLAY'' variable |
| <code>PS C:\> $env:computername | <code>PS C:\> $env:computername | ||
| Line 180: | Line 182: | ||
| localhost:19.0 | localhost:19.0 | ||
| - | [Remote] $ xterm</code> | + | [Remote] $ xterm &</code> |
| Line 194: | Line 196: | ||
| localhost:19.0 | localhost:19.0 | ||
| - | [Remote] $ xterm</code> | + | [Remote] $ xterm &</code> |
| ==== On a Windows computer with WSL+Linux and an X server installed ==== | ==== 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]] | + | We assume that [[other:win10wsl|WSL+Ubuntu]] is installed and that the ''DISPLAY'' variable is [[other:x_conf#if_you_are_using_windows_subsystem_for_linux|configured correctly]] |
| - | Open a WSL terminal (you should know how, if you have installed WSL) and type some basic commands | + | Open a //WSL// terminal (you should know how, if you have installed //WSL//) and type some basic commands |
| <code>[Local WSL] $ hostname | <code>[Local WSL] $ hostname | ||
| name_of_your_local_machine | name_of_your_local_machine | ||
| + | |||
| [Local WSL] $ echo $DISPLAY | [Local WSL] $ echo $DISPLAY | ||
| localhost:0.0 | localhost:0.0 | ||
| - | [Local WSL] $ xterm | + | |
| + | [Local WSL] $ xterm & | ||
| [Local WSL] $ ssh -X some_login@some_remote_server | [Local WSL] $ ssh -X some_login@some_remote_server | ||
| Line 214: | Line 218: | ||
| [Remote] $ echo $DISPLAY | [Remote] $ echo $DISPLAY | ||
| localhost:22.0 | localhost:22.0 | ||
| - | [Remote] $ xterm</code> | + | |
| + | [Remote] $ xterm &</code> | ||
| + | |||
| + | ==== On a Mac ==== | ||
| + | |||
| + | FIXME | ||
| ===== Troubleshooting ===== | ===== Troubleshooting ===== | ||
| Line 220: | Line 229: | ||
| That's unfortunate, but: | That's unfortunate, but: | ||
| - | * Have you turned on your computer? | + | * Have you turned on your computer? :-P |
| - | * Do you have network access, and an account on a remote server? | + | * Do you have network access, and an account on a remote server? :-? |
| * Have you run the [[other:x_conf#testing|Tests]]? | * Have you run the [[other:x_conf#testing|Tests]]? | ||
| - | * Have you installed and configured the //X server// correctly? Is it really running? | + | * Have you [[other:x_conf|installed and configured the X server]] correctly? Is it really running? |
| * Have you configured [[other:putty_conf|PuTTY]] and/or other required applications correctly ? | * Have you configured [[other:putty_conf|PuTTY]] and/or other required applications correctly ? | ||
| - | * Is the ''DISPLAY'' variable defined correctly on the local and remote computer? | + | * Is the [[other:x_conf#what_is_an_x_server|DISPLAY variable]] defined correctly on the local and remote computer? |
| === When DISPLAY is not defined correctly === | === When DISPLAY is not defined correctly === | ||
| Line 236: | Line 245: | ||
| $ echo $DISPLAY | $ echo $DISPLAY | ||
| + | $ setenv DISPLAY CRAP_DISPLAY | ||
| + | $ xterm | ||
| + | xterm: Xt error: Can't open display: CRAP_DISPLAY | ||
| </code> | </code> | ||
| Line 243: | Line 255: | ||
| If the ''DISPLAY'' variable is defined, but there is **no X server**, you will get a ''Can't open display: localhost://[SOME VALUE]//'' error\\ <code>$ xterm & | If the ''DISPLAY'' variable is defined, but there is **no X server**, you will get a ''Can't open display: localhost://[SOME VALUE]//'' error\\ <code>$ xterm & | ||
| - | $ connect localhost port 6000: Connection refused | + | xterm: Xt error: Can't open display: localhost:23.0</code> |
| - | xterm: Xt error: Can't open display: localhost:12.0</code> | + | |
| Time to [[other:x_conf|read this page again]]... | Time to [[other:x_conf|read this page again]]... | ||
other/x_conf.txt · Last modified: 2023/06/30 08:20 by jypeter
