2008-01-02 00:20:07 +00:00
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<!DOCtype HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html lang="en">
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<head>
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2010-02-01 18:18:09 +00:00
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<title>Running Tahoe-LAFS</title>
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2008-01-02 00:20:07 +00:00
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<link rev="made" class="mailto" href="mailto:zooko[at]zooko[dot]com">
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2010-02-01 18:18:09 +00:00
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<meta name="description" content="how to run Tahoe-LAFS">
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2008-01-02 00:20:07 +00:00
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta name="keywords" content="tahoe-lafs secure decentralized filesystem operation">
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2008-01-02 00:20:07 +00:00
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</head>
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<body>
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2010-02-01 18:18:09 +00:00
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<h1>How To Start Tahoe-LAFS</h1>
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2008-01-02 00:20:07 +00:00
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2009-06-21 17:50:05 +00:00
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<p>This is how to run a Tahoe client or a complete Tahoe grid. First you
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have to install the Tahoe software, as documented in <a
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2008-01-02 04:50:46 +00:00
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href="install.html">install.html</a>.</p>
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2009-08-09 20:14:16 +00:00
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<p>The <cite>tahoe</cite> executable in the <code>bin</code> directory is
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used to create, start, and stop nodes. Each node lives in a separate base
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directory, in which there is a configuration file named <code>tahoe.cfg</code>. Nodes
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read and write files within this base directory.</p>
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2009-08-09 20:14:16 +00:00
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<p>A grid consists of a set of <em>nodes</em>, computers running
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the tahoe code, each of these nodes functions as in one of the
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following roles:</p>
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<dl>
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<dt>Storage Nodes (or Server Nodes)</dt><dd>are the computers
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that actually store the data in a grid.</dd>
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<dt>Client Nodes</dt><dd>talk to the storage nodes to put files
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onto the grid and get them back off again.</dd>
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<dt>Introducer Node</dt><dd>is responsible for getting everybody
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talking to each other.</dd>
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</dl>
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<p>If you're getting started we recommend you try connecting to
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the <a href="http://allmydata.org/trac/tahoe/wiki/TestGrid">the
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public test grid</a> as you only need to create a client node.
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When you want to create your own grid you'll need to create the
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introducer and an initial storage nodes.</p>
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2009-08-09 20:14:16 +00:00
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<p>To construct a client node, run
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"<code><strong>path-to-the-tahoe-bin-directory</strong>/tahoe
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create-client</code>", which will create <code>~/.tahoe</code> to be the
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node's base directory. Acquire a copy of the <code>introducer.furl</code>
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from the introducer and put it into this directory, then use
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"<code><strong>path-to-the-tahoe-bin-directory</strong>/tahoe
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run</code>". After that, the node should be off and running. The first
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thing it will do is connect to the introducer and get itself connected to
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all other nodes on the grid. By default, a node will serve as a storage
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node, meaning that it offers its disk space to other nodes. To configure
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other behavior, see <a href="configuration.txt">configuration.txt</a>.</p>
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2009-08-09 20:14:16 +00:00
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<p>To construct an introducer, create a new base directory for it (the name
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of the directory is up to you), cd into it, and run
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"<code><strong>path-to-the-tahoe-bin-directory</strong>/tahoe
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create-introducer .</code>". Now run the introducer using
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"<code>tahoe run .</code>". After it starts, it will write a file named
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<code>introducer.furl</code> in that base directory. This file contains the
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URL the other nodes must use in order to connect to this introducer.</p>
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2010-01-12 04:44:09 +00:00
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<p>The "<code>tahoe run</code>" or "<code>tahoe run .</code>" commands above
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will run the node in the foreground. On Unix, you can run it in the background
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instead by using the "<code>tahoe start</code>" command.
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To stop a node started in this way, use "<code>tahoe stop</code>".
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<code>tahoe --help</code> gives a summary of all commands.</p>
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<p>See <a href="configuration.txt">configuration.txt</a> for more
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details about how to configure tahoe.</p>
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<h2>A note about firewalls</h2>
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<p>If your node is behind a firewall or NAT device and want other
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clients to connect to it then you'll need to <em>open a port</em>
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in your firewall. To do that you'll need to know which port tahoe
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is listening on as, by default, it listens on an arbitrary port
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number. To tell tahoe to listen to a fixed port, open the
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<code>~/.tahoe/tahoe.cfg</code> file in your favourite text editor
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and changing the <code>tub.port</code> line to something like the
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following:</p>
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<pre>tub.port = 8098</pre>
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<p>This tells tahoe to always listen on port 8098 of your
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computer. The next issue is that your computer may be behind a
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NATing router and isn't directly connected to the internet but
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goes through a router to get out. If that's the case then you'll
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need to set the <code>tub.location</code> option so that tahoe
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tells the introducer where you're really listening:</p>
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<pre>tub.location = myserver.mydomain.org:8098</pre>
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<p>or probably more likely</p>
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<pre>tub.location = 123.456.789.012:8098</pre>
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<p>The <a href="configuration.txt">configuration.txt</a> file contains more details</p>
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2008-02-14 15:54:34 +00:00
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<h2>Do Stuff With It</h2>
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2008-01-08 17:32:41 +00:00
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2009-06-21 17:50:05 +00:00
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<p>Now you have a decentralized filesystem. See <a
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href="using.html">using.html</a> for instructions about how to interact
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with it.</p>
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2008-01-02 04:50:46 +00:00
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</body>
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</html>
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