> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Run Weston simple EGL

Weston simple EGL is a sample test application used to verify the composition and rendering of frames on your display. To run the application, run the following commands:

<Note>
  You must enable SSH to access your host device. For instructions, see [Sign in using SSH](https://dragonwingdocs.qualcomm.com/Key-Documents/Flash-Guide/how-to-sign-in-with-ssh).
</Note>

> ```text theme={null}
> mount -o remount,rw /
> ```

> ```text theme={null}
> su
> ```

> ```text theme={null}
> . /etc/profile
> ```

> ```text theme={null}
> export XDG_RUNTIME_DIR=/run/user/1000 && mkdir -p $XDG_RUNTIME_DIR
> ```

> ```text theme={null}
> cd /usr/bin
> ```

> ```text theme={null}
> export WAYLAND_DISPLAY=wayland-1 && weston-simple-egl
> ```

The following figure shows the Weston simple EGL client application running on the display monitor.

<div className="flex flex-col items-center gap-2">
  <img src="https://mintcdn.com/qualcomm-prod/mGpYCfBsZaJSFIEo/Technologies/Display/media/qli-display/Weston_simple_EGL_client_application.PNG?fit=max&auto=format&n=mGpYCfBsZaJSFIEo&q=85&s=31938da74ab8ef02c4a297c04ae2da22" alt="Figure: Weston simple EGL client application" width="680" height="376" data-path="Technologies/Display/media/qli-display/Weston_simple_EGL_client_application.PNG" />
</div>

<Note>To kill the application, select **CTRL + C**.</Note>