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It listens for connections over QUIC, joins the distributed hash table (DHT), and enables other nodes to discover and find tessera pointers.</p> +<h2 id="starting-the-daemon"><a class="header" href="#starting-the-daemon">Starting the daemon</a></h2> +<pre><code class="language-bash">tesseras-daemon +</code></pre> +<p>On first run, the daemon:</p> +<ol> +<li>Creates the data directory (<code>~/.local/share/tesseras</code> on Linux, <code>~/Library/Application Support/tesseras</code> on macOS)</li> +<li>Generates a node identity with proof-of-work (takes about 1 second)</li> +<li>Binds a QUIC listener on <code>0.0.0.0:4433</code></li> +<li>Bootstraps into the network by contacting seed nodes</li> +<li>Prints <code>daemon ready</code> when fully operational</li> +</ol> +<h2 id="command-line-options"><a class="header" href="#command-line-options">Command-line options</a></h2> +<pre><code>tesseras-daemon [OPTIONS] +</code></pre> +<div class="table-wrapper"> +<table> +<thead> +<tr><th>Option</th><th>Description</th><th>Default</th></tr> +</thead> +<tbody> +<tr><td><code>-c, --config <PATH></code></td><td>Path to a TOML config file</td><td>None (uses built-in defaults)</td></tr> +<tr><td><code>-l, --listen <ADDR></code></td><td>Address and port to listen on</td><td><code>0.0.0.0:4433</code></td></tr> +<tr><td><code>-b, --bootstrap <ADDRS></code></td><td>Comma-separated bootstrap addresses</td><td><code>boot1.tesseras.net:4433,boot2.tesseras.net:4433</code></td></tr> +<tr><td><code>-d, --data-dir <PATH></code></td><td>Data directory</td><td>Platform-specific (see above)</td></tr> +</tbody> +</table> +</div> +<p>CLI options override values from the config file.</p> +<h2 id="examples"><a class="header" href="#examples">Examples</a></h2> +<p>Run with defaults (join the public network):</p> +<pre><code class="language-bash">tesseras-daemon +</code></pre> +<p>Run as a seed node (no bootstrap, other nodes connect to you):</p> +<pre><code class="language-bash">tesseras-daemon --bootstrap "" +</code></pre> +<p>Run on a custom port with a specific data directory:</p> +<pre><code class="language-bash">tesseras-daemon --listen 0.0.0.0:5000 --data-dir /var/lib/tesseras +</code></pre> +<p>Bootstrap from a specific node:</p> +<pre><code class="language-bash">tesseras-daemon --bootstrap "192.168.1.50:4433" +</code></pre> +<p>Join a local network of multiple nodes:</p> +<pre><code class="language-bash">tesseras-daemon --bootstrap "192.168.1.10:4433,192.168.1.11:4433" +</code></pre> +<h2 id="node-identity"><a class="header" href="#node-identity">Node identity</a></h2> +<p>Each node has a unique identity stored in <code><data-dir>/identity.key</code>. This file contains a 32-byte public key and an 8-byte proof-of-work nonce.</p> +<p>The node ID is derived from the public key: <code>BLAKE3(pubkey || nonce)</code> truncated to 20 bytes. The nonce must produce a hash with 8 leading zero bits, which takes about 256 hash attempts. This lightweight proof-of-work makes creating thousands of fake identities expensive while costing legitimate users less than a second.</p> +<p>The identity is generated automatically on first run and reused on subsequent runs. If you delete <code>identity.key</code>, a new identity will be generated.</p> +<h2 id="logging"><a class="header" href="#logging">Logging</a></h2> +<p>The daemon uses structured logging via <code>tracing</code>. Control the log level with the <code>RUST_LOG</code> environment variable:</p> +<pre><code class="language-bash"># Default (info level) +tesseras-daemon + +# Debug logging +RUST_LOG=debug tesseras-daemon + +# Only show warnings and errors +RUST_LOG=warn tesseras-daemon + +# Debug for DHT, info for everything else +RUST_LOG=info,tesseras_dht=debug tesseras-daemon +</code></pre> +<h2 id="shutting-down"><a class="header" href="#shutting-down">Shutting down</a></h2> +<p>Press <strong>Ctrl+C</strong> to initiate graceful shutdown. The daemon will:</p> +<ol> +<li>Stop accepting new connections</li> +<li>Finish in-flight operations (up to 5 seconds)</li> +<li>Close all QUIC connections</li> +<li>Exit cleanly</li> +</ol> +<h2 id="firewall"><a class="header" href="#firewall">Firewall</a></h2> +<p>The daemon communicates over UDP port 4433 (QUIC). If you’re behind a firewall, ensure this port is open for both inbound and outbound UDP traffic.</p> +<pre><code class="language-bash"># Example: Linux with ufw +sudo ufw allow 4433/udp +</code></pre> + + </main> + + <nav class="nav-wrapper" aria-label="Page navigation"> + <!-- Mobile navigation buttons --> + <a rel="prev" href="commands/list.html" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left"> + <span class=fa-svg><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><!--! 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