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PiKVM Handbook
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config
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Device guides
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Device guides
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<ul class="md-nav__list" data-md-scrollfix>
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<a href="../v4/" class="md-nav__link">
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PiKVM V4 Mini &amp; Plus
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<a href="../v3/" class="md-nav__link">
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PiKVM V3
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PiKVM Switch
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DIY PiKVM V2
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DIY PiKVM V1
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Getting started
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Getting started
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Cheat Sheet
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Web UI Overview
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Configuring PiKVM
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Authentication &amp; 2FA
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FAQ &amp; Troubleshooting
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Flashing OS
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Networking
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Networking
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Internet access
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Internet access
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<a href="../port_forwarding/" class="md-nav__link">
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Port forwarding
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../reverse_proxy/" class="md-nav__link">
<span class="md-ellipsis">
Reverse proxy
</span>
</a>
</li>
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<a href="../tailscale/" class="md-nav__link">
<span class="md-ellipsis">
Tailscale VPN
</span>
</a>
</li>
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<a href="../cloudflared/" class="md-nav__link">
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Cloudflare Tunnel
</span>
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</li>
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<li class="md-nav__item">
<a href="../wifi/" class="md-nav__link">
<span class="md-ellipsis">
Setting up Wi-Fi
</span>
</a>
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<a href="../modem/" class="md-nav__link">
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Setting up 3G/4G/LTE modem
</span>
</a>
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Let's Encrypt certificates
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Video
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Video
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<a href="../video/" class="md-nav__link">
<span class="md-ellipsis">
Video modes (WebRTC, Direct)
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../webrtc_config/" class="md-nav__link">
<span class="md-ellipsis">
WebRTC configuration
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../edid/" class="md-nav__link">
<span class="md-ellipsis">
Tuning HDMI EDID
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../pass/" class="md-nav__link">
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HDMI passthrough
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</li>
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Peripheral devices
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Peripheral devices
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../atx_board/" class="md-nav__link">
<span class="md-ellipsis">
ATX board
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../usb/" class="md-nav__link">
<span class="md-ellipsis">
USB configuration
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../usb_pass/" class="md-nav__link">
<span class="md-ellipsis">
USB passthrough
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../audio/" class="md-nav__link">
<span class="md-ellipsis">
Audio / Microphone
</span>
</a>
</li>
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<span class="md-ellipsis">
Keyboard &amp; mouse
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_5_5_label" aria-expanded="false">
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Keyboard &amp; mouse
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../mouse/" class="md-nav__link">
<span class="md-ellipsis">
Mouse modes
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../mouse_jiggler/" class="md-nav__link">
<span class="md-ellipsis">
Mouse jiggler
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../pico_hid/" class="md-nav__link">
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Pico HID (USB, PS/2)
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../bluetooth_hid/" class="md-nav__link">
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Bluetooth HID
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</li>
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Mass Storage Drive
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../usb_ethernet/" class="md-nav__link">
<span class="md-ellipsis">
Ethernet-over-USB
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../usb_serial/" class="md-nav__link">
<span class="md-ellipsis">
Serial-over-USB
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../gpio/" class="md-nav__link">
<span class="md-ellipsis">
GPIO (pins, relays, lamps, etc)
</span>
</a>
</li>
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</li>
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<h1> config</h1>
<details class="note">
<summary>Configuring PiKVM OS</summary>
<div class="admonition tip">
<p class="admonition-title">Need more info? We have it!</p>
<p>The following is a brief guide to configuring PiKVM.
For more information (including the basics of YAML syntax and how to use a text editor in the Linux console),
please refer to <a href="../config/">this page</a>.</p>
</div>
<p>Most of the PiKVM configuration files are located in the <code>/etc/kvmd</code> directory.</p>
<p>The <code>/usr/lib/kvmd/main.yaml</code> file defines the platform configuration, and <strong>you should never edit it</strong>.
To redefine system parameters use the file <code>/etc/kvmd/override.yaml</code>.
All other files that are also not recommended for editing have read-only permissions.</p>
<p>You can also create several files with the <code>.*yaml</code> suffix and put then into <code>/etc/kvmd/override.d</code> directory
to split your customization into logical parts.
The <code>override.yaml</code> file definitions takes precedence over the <code>override.d</code> directory.</p>
<p>A complete list of all parameters can be viewed using the <code>kvmd -m</code> command.</p>
<p>Files with the <code>*.yaml</code> suffix uses the <a href="https://docs.ansible.com/ansible/latest/reference_appendices/YAMLSyntax.html">YAML syntax</a>
and describes a parameter tree with key-value pairs of different types.
To define the parameters within one section, an indent of 4 spaces is used.
Comments starts with the <code>#</code> symbol.</p>
<div class="admonition warning">
<p class="admonition-title">Only 4 spaces should be used for indentation</p>
<p>Be careful when editing YAML and follow this rule.
Invalid indentation or tabs instead of spaces will cause an error when starting the services.</p>
</div>
<p>Sections under the same keys <strong>should be merged</strong>:</p>
<ul>
<li>
<p><strong>Wrong:</strong></p>
<div class="highlight"><pre><span></span><code><span class="nt">kvmd</span><span class="p">:</span>
<span class="w"> </span><span class="nt">gpio</span><span class="p">:</span>
<span class="w"> </span><span class="nt">drivers</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">...</span>
<span class="nt">kvmd</span><span class="p">:</span>
<span class="w"> </span><span class="nt">gpio</span><span class="p">:</span>
<span class="w"> </span><span class="nt">scheme</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">...</span>
</code></pre></div>
</li>
<li>
<p><strong>Correct:</strong></p>
<div class="highlight"><pre><span></span><code><span class="nt">kvmd</span><span class="p">:</span>
<span class="w"> </span><span class="nt">gpio</span><span class="p">:</span>
<span class="w"> </span><span class="nt">drivers</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">...</span>
<span class="w"> </span><span class="nt">scheme</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">...</span>
</code></pre></div>
</li>
</ul>
<p>In the <code>/etc/kvmd/meta.yaml</code> file you can specify some information regarding this PiKVM installation in an almost free YAML format.</p>
</details>
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