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→Opening the local web application
* The edge device is [[ORCA_SBC|Orca SBC]] instead of SBCSPG gateway.
* Fledge and Fledge GUI were not installed by using <code>apt</code>. They were built on the target instead, even though the Linux distribution is still [[ORCA-TN-001_—_Running_Armbian_Bullseye_(Debian_11)|Debian 11]]. This approach may be more suited to address different situations. For instance, think about the case in which you have to develop new functionalities or test custom north/south plugins. At large, this set-up allows to develop the code on a PC host running the ''same'' distribution, and to migrate to the target later on when it is already tested and debugged thoroughly.
* As the target platform features an HDMI port, Fledge GUI can be displayed locally, too. This solution can be convenient for building products that require a local display without having to implement a new graphics application. Interestingly, this HDMI port is provided by a LVDS/HDMI bridge that, in turn, is connected to the LVDS native port of the i.MX8M Plus SoC. The display used for this test is [http://www.magedok.com/product02.html?id=157 Magedok T080A 8-inch touchscreen monitor].
==Building and running Fledge and Fledge GUI==
[[File:ORCA-TN-003-3.png|center|thumb|600x600px|Verifying that data is uploaded to the ThingsBoard IoT platform]]
==Visualize Fledge GUI on a local display==
To visualize the GUI on a the local display, we run a web browser configured to operate in kiosk mode.===Installing Weston===First of all, we install [https://wayland.freedesktop.org/ Weston], the compositor required by the browser.
<pre class="workstation-terminal">
</pre>
Create the file <code>/lib/systemd/system/weston.service</code> with the following contents:
<syntaxhighlight>
[Unit]
Description=Weston wayland compositor
[Install]
WantedBy=graphical.target
</syntaxhighlight>
<pre class="workstation-terminal">
armbian@sbcorca-00a5:~$ sudo touch /etc/default/weston
armbian@sbcorca-00a5:~$ sudo mkdir /root/weston
</pre>
===Installing Chromium===
The browser used for this TN is [https://www.chromium.org/chromium-projects/ Chromium]. To install it, please follow these steps.
<pre class="workstation-terminal">
Reading package lists... Done
...
</pre> Create the file <code>/lib/systemd/system/browser.service</code> with the following contents:<syntaxhighlight>[Unit]Description=Chromium browser serviceAfter=systemd-logind.serviceStartLimitIntervalSec=0Wants=dbus.socketAfter=dbus.socket [Service]Type=simpleRestart=alwaysRestartSec=5User=root PAMName=chromium-autologin ExecStart=/usr/bin/chromium --ozone-platform=wayland --kiosk --no-sandbox https://www.dave.eu [Install]WantedBy=graphical.target</syntaxhighlight> Start it as a service: <pre class="workstation-terminal">
armbian@sbcorca-00a5:~$ sudo systemctl enable browser
Created symlink /etc/systemd/system/graphical.target.wants/browser.service → /lib/systemd/system/browser.service.
</pre>