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<li class="toctree-l1"><a class="reference internal" href="cdist-why.html">1. Why should I use cdist?</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-upgrade.html">5. How to upgrade cdist</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-support.html">6. Support</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">7. Quickstart</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-real-world.html">8. Dive into real world cdist</a></li>
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<li class="toctree-l1"><a class="reference internal" href="man1/cdist.html">9. cdist(1)</a></li>
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<li class="toctree-l1"><a class="reference internal" href="man1/cdist-dump.html">10. cdist-dump(1)</a></li>
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<li class="toctree-l1"><a class="reference internal" href="man1/cdist-new-type.html">11. cdist-new-type(1)</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-bootstrap.html">12. Bootstrap</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-configuration.html">13. Configuration</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-manifest.html">14. Manifest</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-type.html">15. cdist type</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-types.html">16. cdist types</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-messaging.html">18. Messaging</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-parallelization.html">19. Parallelization</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-inventory.html">20. Inventory</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-trigger.html">21. Trigger</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-preos.html">22. PreOS</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-integration.html">23. cdist integration / using cdist as library</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-reference.html">24. Reference</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-best-practice.html">25. Best practice</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-stages.html">26. Execution stages</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-troubleshooting.html">31. Troubleshooting</a></li>
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<div class="section" id="quickstart">
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<h1>7. Quickstart<a class="headerlink" href="#quickstart" title="Permalink to this headline">¶</a></h1>
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<p>This tutorial is aimed at people learning cdist and shows
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typical approaches as well as gives an easy start into
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the world of configuration management.</p>
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<p>For those who just want to configure a system with the
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cdist configuration management and do not need (or want)
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to understand everything.</p>
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<p>This tutorial assumes you are configuring <strong>localhost</strong>, because
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it is always available. Just replace <strong>localhost</strong> with your target
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host for real life usage.</p>
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<p>Cdist uses <strong>ssh</strong> for communication and transportation
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and usually logs into the <strong>target host</strong> as the
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<strong>root</strong> user. So you need to configure the <strong>ssh server</strong>
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of the target host to allow root logins: Edit
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the file <strong>/etc/ssh/sshd_config</strong> and add one of the following
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lines:</p>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="c1"># Allow login only via public key</span>
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<span class="n">PermitRootLogin</span> <span class="n">without</span><span class="o">-</span><span class="n">password</span>
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<span class="c1"># Allow login via password and public key</span>
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<span class="n">PermitRootLogin</span> <span class="n">yes</span>
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</pre></div>
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</div>
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<p>As cdist uses ssh intensively, it is recommended to setup authentication
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with public keys:</p>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="c1"># Generate pubkey pair as a normal user</span>
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<span class="n">ssh</span><span class="o">-</span><span class="n">keygen</span>
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<span class="c1"># Copy pubkey over to target host</span>
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<span class="n">ssh</span><span class="o">-</span><span class="n">copy</span><span class="o">-</span><span class="nb">id</span> <span class="n">root</span><span class="nd">@localhost</span>
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</pre></div>
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</div>
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<p>Have a look at ssh-agent(1) and ssh-add(1) on how to cache the password for
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your public key. Usually it looks like this:</p>
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<div class="highlight-default"><div class="highlight"><pre><span></span># Start agent and export variables
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eval `ssh-agent`
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# Add keys (requires password for every identity file)
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ssh-add
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</pre></div>
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</div>
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<p>At this point you should be able to <strong>ssh root@localhost</strong> without
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re-entering the password. If something failed until here, ensure that
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all steps went successfully and you have read and understood the
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documentation.</p>
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<p>As soon as you are able to login without password to localhost,
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we can use cdist to configure it. You can copy and paste the following
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code into your shell to get started and configure localhost:</p>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="c1"># Get cdist</span>
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<span class="n">git</span> <span class="n">clone</span> <span class="n">git</span><span class="nd">@code</span><span class="o">.</span><span class="n">ungleich</span><span class="o">.</span><span class="n">ch</span><span class="p">:</span><span class="n">ungleich</span><span class="o">-</span><span class="n">public</span><span class="o">/</span><span class="n">cdist</span><span class="o">.</span><span class="n">git</span>
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<span class="c1"># Create manifest (maps configuration to host(s)</span>
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<span class="n">cd</span> <span class="n">cdist</span>
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<span class="n">echo</span> <span class="s1">'__file /etc/cdist-configured'</span> <span class="o">></span> <span class="n">cdist</span><span class="o">/</span><span class="n">conf</span><span class="o">/</span><span class="n">manifest</span><span class="o">/</span><span class="n">init</span>
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<span class="c1"># Configure localhost in verbose mode</span>
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<span class="o">./</span><span class="nb">bin</span><span class="o">/</span><span class="n">cdist</span> <span class="n">config</span> <span class="o">-</span><span class="n">v</span> <span class="n">localhost</span>
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<span class="c1"># Find out that cdist created /etc/cdist-configured</span>
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<span class="n">ls</span> <span class="o">-</span><span class="n">l</span> <span class="o">/</span><span class="n">etc</span><span class="o">/</span><span class="n">cdist</span><span class="o">-</span><span class="n">configured</span>
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</pre></div>
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</div>
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<p>Note: cdist/conf is configuration directory shipped with cdist distribution.
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If exists, ~/.cdist, is also automatically used as cdist configuration
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directory. So in the above example you could create ~/.cdist directory,
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then ~/.cdist/manifest sub-directory and create init manifest
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~/.cdist/manifest/init.</p>
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<p>That's it, you've successfully used cdist to configure your first host!
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Continue reading the next sections, to understand what you did and how
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to create a more sophisticated configuration.</p>
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