irtual
video device, you must install the <a
href="https://github.com/umlaeute/v4l2loopback">v4l2loopback</a> kernel
module from and load it:</p>
<pre class="shell"><code>modprobe v4l2loopback devices=1 exclusive_caps=0</code></pre>
<p>Some distributions may load the module with the wrong setting:
<code>exclusive_caps=1</code> (ie: Ubuntu, see <a
href="https://github.com/Xpra-org/xpra/issues/1596">#1596</a>)</p>
<p>The user running the xpra session must be able to access the video
devices (ie: usually requi