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PiKVM V4 Mini & Plus
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PiKVM V3 HAT
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DIY PiKVM V2
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DIY PiKVM V1
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Cloudflare Tunnel
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Cloudflare Tunnel
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Cloudflare Tunnel Steps
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Installation on the PiKVM
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Updating Cloudflared
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H.264 / WebRTC
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Working with video
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Tuning HDMI EDID
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Peripheral devices
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Keyboard & mouse
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Keyboard & mouse
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Mouse modes
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Mouse jiggler
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Pico HID (USB, PS/2)
</span>
</a>
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Bluetooth HID
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Mass Storage Drive
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Ethernet-over-USB
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Serial-over-USB
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Dynamic USB configuration
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GPIO (pins, relays, lamps, etc)
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Advanced usage
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Advanced usage
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On-boot configuration
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Using VNC
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Multiport KVM-over-IP
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Wake-on-LAN the server
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IPMI & Redfish integration
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Persistent storage
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<div><h1 id="cloudflare-tunnels">Cloudflare Tunnels<a class="headerlink" href="#cloudflare-tunnels" title="Permanent link"></a></h1>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>This is unofficial instructions proposed by the community. We don't officially support this and don't know what problems may arise when using cloudflared.</p>
</div>
<p><a href="https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/">Cloudflare Tunnels</a> can be used to access PiKVM over the internet securely using Cloudflare Zero Trust with Cloudflared. This is a convenient and free (for 50 users) tool for allowing access to web services running on your internal network without port forwarding or IPv4/IPv6 compatability issues. This document is provided as an example for accessing your PiKVM over the internet but you can also use Zerotier/<a href="../tailscale/">Tailscale</a>/<em>Insert XYZ VPN service here</em>. Basic support like whats shown below is provided as an example, any other setting or functionality needs to be redirected to the appropriate community.</p>
<div class="admonition note">
<p class="admonition-title">If you get error 1033 / lookup localhost error</p>
<p>You might need to add <code>127.0.0.1 localhost</code> into your /etc/hosts file</p>
</div>
<h2 id="prequisites">Prequisites<a class="headerlink" href="#prequisites" title="Permanent link"></a></h2>
<ol>
<li>
<p>A domain utilizing Cloudflare for DNS</p>
</li>
<li>
<p>A Cloudflare tunnel configured with an application created and secured by an access policy</p>
</li>
<li>
<p>Custom firewall rules configured in Cloudflare as needed</p>
</li>
</ol>
<h2 id="cloudflare-tunnel-steps">Cloudflare Tunnel Steps<a class="headerlink" href="#cloudflare-tunnel-steps" title="Permanent link"></a></h2>
<ol>
<li>
<p>Login to Cloudflare and provision a tunnel using the steps <a href="https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/install-and-setup/tunnel-guide/remote/">here</a>. Save the tunnel token as we will need this later. In most cases the target will be <a href="https://localhost">https://localhost</a> </p>
</li>
<li>
<p>Create a self-hosted application with the URL matching one created in the previous step by following the steps <a href="https://developers.cloudflare.com/cloudflare-one/applications/configure-apps/self-hosted-apps/">here</a>. </p>
</li>
<li>
<p>You will need to check the http options to disable SSL certificate verification under <code>Tunnels -&gt; Configure -&gt; Public Hostname -&gt; yourapplication.yourdomain -&gt; Edit -&gt; TLS Settings -&gt; No TLS Verify</code> as the PiKVM uses self-signed certificates.</p>
</li>
<li>
<p>Don't skip the access policies as this important to preventing randoms from the internet from gaining access to your PiKVM. Cloudflare offers a variety of login options with the simplest being One-time PINs that are emailed to you. NOTE: This external authentication will not replace the username/password for the PiKVM but instead supplement it acting as a first line of defense from the internet.</p>
</li>
</ol>
<h2 id="installation-on-the-pikvm">Installation on the PiKVM<a class="headerlink" href="#installation-on-the-pikvm" title="Permanent link"></a></h2>
<ol>
<li>
<p>Use these commands to install Cloudflared:</p>
<div class="highlight"><pre><span></span><code># rw
# curl -L -o /usr/local/bin/cloudflared "$(curl -s "https://api.github.com/repos/cloudflare/cloudflared/releases/latest" | grep -e 'browser_download_url.*/cloudflared-linux-armhf"' | sed -e 's/[\ \":]//g' -e 's/browser_download_url//g' -e 's/\/\//:\/\//g')"
# chmod +x /usr/local/bin/cloudflared
# cloudflared version
</code></pre></div>
</li>
<li>
<p>Install the Cloudflare tunnel service to Cloudflared:</p>
<div class="highlight"><pre><span></span><code># sudo cloudflared service install SERVICE_TOKEN_HERE
</code></pre></div>
</li>
<li>
<p>Open a web browser and attempt to connect</p>
</li>
<li>
<p>Drop back in to read only mode</p>
<div class="highlight"><pre><span></span><code># ro
</code></pre></div>
</li>
</ol>
<h2 id="updating-cloudflared">Updating Cloudflared<a class="headerlink" href="#updating-cloudflared" title="Permanent link"></a></h2>
<p>Use these commands to update Cloudflared:</p>
<div class="highlight"><pre><span></span><code># rw
# cloudflared update
# ro
</code></pre></div></div>
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