From ebc56effb0c99102bc5f21a22dd175ba0b498cb0 Mon Sep 17 00:00:00 2001
From: Pavel Jirasek <pavel.jirasek@vsb.cz>
Date: Thu, 28 Jun 2018 12:22:40 +0200
Subject: [PATCH] X11 using WSL

---
 .../graphical-user-interface/x-window-system.md | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/docs.it4i/general/accessing-the-clusters/graphical-user-interface/x-window-system.md b/docs.it4i/general/accessing-the-clusters/graphical-user-interface/x-window-system.md
index fd2409955..58a827ce8 100644
--- a/docs.it4i/general/accessing-the-clusters/graphical-user-interface/x-window-system.md
+++ b/docs.it4i/general/accessing-the-clusters/graphical-user-interface/x-window-system.md
@@ -7,13 +7,15 @@ The X Window system is a principal way to get GUI access to the clusters. The **
 
 ## X Display
 
+### Linux Example
+
 In order to display graphical user interface GUI of various software tools, you need to enable the X display forwarding. On Linux and Mac, log in using the -X option tho ssh client:
 
 ```console
  local $ ssh -X username@cluster-name.it4i.cz
 ```
 
-## X Display Forwarding on Windows
+### PuTTY on Windows
 
 On Windows use the PuTTY client to enable X11 forwarding. In PuTTY menu, go to Connection-SSH-X11, mark the Enable X11 forwarding checkbox before logging in.
 
@@ -21,6 +23,15 @@ On Windows use the PuTTY client to enable X11 forwarding. In PuTTY menu, go to C
 
 Then log in as usual.
 
+### WSL (Bash on Windows)
+
+```console
+ local $ export DISPLAY=localhost:0.0
+ local $ ssh -X username@cluster-name.it4i.cz
+```
+
+## Verify the Forwarding
+
 To verify the forwarding, type
 
 ```console
@@ -39,11 +50,11 @@ then the X11 forwarding is enabled.
 
 In order to display graphical user interface GUI of various software tools, you need running X server on your desktop computer. For Linux users, no action is required as the X server is the default GUI environment on most Linux distributions. Mac and Windows users need to install and run the X server on their workstations.
 
-## X Server on OS X
+### X Server on OS X
 
 Mac OS users need to install [XQuartz server](https://www.xquartz.org).
 
-## X Server on Windows
+### X Server on Windows
 
 There are variety of X servers available for Windows environment. The commercial Xwin32 is very stable and rich featured. The Cygwin environment provides fully featured open-source XWin X server. For simplicity, we recommend open-source X server by the [Xming project](http://sourceforge.net/projects/xming/). For stability and full features we recommend the
 [XWin](http://x.cygwin.com/) X server by Cygwin
-- 
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