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<button type="button" class="docs-sidebar-toggle" aria-label="Docs menu">☰</button>
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<article class="docs-main">
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<h1>FAQ</h1>
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<p class="docs-lead">Short answers to common questions.</p>
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<h2>Do I need to open ports or set up VPN / remote access?</h2>
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<p>
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<strong>No.</strong> PearDock is peer-to-peer over HyperDHT. You share the server’s public key;
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clients holepunch an encrypted connection. You do not open inbound firewall ports for Docker or the control UI,
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expose <code>dockerd</code> to the internet, or maintain a permanent VPN just to run ops.
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Optional Holesail tunnels reach published services the same way, still without punching host firewall holes.
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</p>
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<h2>How do I install PearDock?</h2>
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<pre><code>curl -fsSL https://install.peardock.boats | bash</code></pre>
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<p>
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Interactive: choose <strong>server</strong> (Linux systemd) or <strong>client</strong> (desktop).
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Non-interactive: <code>--server --yes</code> / <code>--client --yes</code>.
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Details: <a href="/download">Download & install</a>.
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</p>
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<h2>What do I share with clients?</h2>
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<p>The server <strong>public key</strong> (64 hex characters). Never share <code>SERVER_SEED</code>.</p>
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<h2>Where is the public key after install?</h2>
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<pre><code>sudo journalctl -u peardock -n 80 --no-pager | grep -i 'public key'</code></pre>
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<p>Also stored under <code>/opt/peardock/.env</code> as <code>SERVER_PUBLIC_KEY</code> when generated.</p>
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<h2>Container list empty / “permission denied” on Docker</h2>
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<p>The service user <code>peardock</code> needs the docker group:</p>
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<pre><code>sudo usermod -aG docker peardock
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sudo systemctl restart peardock
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# if the group was just created:
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sudo systemctl restart docker</code></pre>
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<p>The one-line installer does this automatically on server install.</p>
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<h2>Is there a cloud / SaaS component?</h2>
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<p>No. HyperDHT holepunches between peers. Bootstrap nodes are part of the HyperDHT network; PearDock does not operate a proprietary control plane.</p>
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<h2>Pear prints “DEPRECATED: pear run is deprecated”</h2>
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<p>Platform-wide message. Prefer the Electron desktop client from the rolling release or <code>install.sh --client</code>. Source: <code>npm run start:client</code>.</p>
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<h2>macOS says the app is damaged</h2>
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<p>Usually quarantine or signature after download. Installer runs <code>xattr -cr</code>. Manually:</p>
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<pre><code>xattr -cr ~/Applications/peardock.app
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# or right-click → Open
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# re-sign from source build:
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npm run sign:macos -- out/peardock-darwin-arm64/peardock.app</code></pre>
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<h2>Client lost connection. Does it reconnect?</h2>
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<p>Yes. Unexpected disconnects retry every <strong>5 seconds</strong> until the peer is back or you remove it. Last active peer is restored on launch.</p>
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<h2>Why is PearDock AGPL?</h2>
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<p>PearDock is <strong>AGPL-3.0</strong>, matching Holesail (also AGPL-3.0). If you modify PearDock and let others use it over a network, review AGPL source-offer obligations. You can set <code>ENABLE_HOLESAIL=0</code> to disable tunnel creation.</p>
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<h2>Can I run without Holesail?</h2>
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<p>Yes: <code>ENABLE_HOLESAIL=0</code> in the server environment. Control-plane Docker management still works.</p>
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<h2>Default role is admin. Is that safe?</h2>
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<p>Convenient for a single trusted operator. For multi-operator fleets, set <code>PEARDOCK_DEFAULT_ROLE</code>, <code>PEARDOCK_ADMIN_KEYS</code>, and allowlist. See <a href="/docs/security">threat model</a>.</p>
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<h2>v1 vs v2</h2>
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<p>v1 used Hyperswarm topics and raw JSON streams. v2 uses HyperDHT keypairs, public keys, and protomux-rpc. Clients and servers are not wire-compatible across major versions.</p>
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<h2>Where is peer state stored on the client?</h2>
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<p>Typically <code>~/.config/peardock/cache/peers.json</code> (includes last active peer id).</p>
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<h2>How do I update?</h2>
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<ul>
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<li><strong>Server:</strong> re-run <code>install.sh --server --yes</code> or replace the binary; keep <code>/opt/peardock/.env</code>; <code>systemctl restart peardock</code>.</li>
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<li><strong>Client:</strong> re-run <code>install.sh --client --yes</code> or install a newer rolling tarball.</li>
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<li><strong>Assets:</strong> <a href="https://git.ssh.surf/snxraven/peardock/releases/tag/rolling" target="_blank" rel="noopener">rolling</a> tag on every main CI build.</li>
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</ul>
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<h2>License</h2>
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<p>PearDock and Holesail: <strong>AGPL-3.0</strong>. See <a href="/legal/license">Open Source Notices</a>.</p>
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<div class="docs-pager">
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<a href="/docs/release"><span>Previous</span><strong>← Releases</strong></a>
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<a class="next" href="/docs/index"><span>Docs home</span><strong>Overview →</strong></a>
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</article>
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