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<section id="check-processor-compatibility">
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<span id="compatibility-check"></span><h1>Check Processor Compatibility<a class="headerlink" href="#check-processor-compatibility" title="Link to this heading">¶</a></h1>
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<p>Before installing Clear Linux* OS, check your host system’s processor compatibility using one of
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the following options:</p>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p>This does not check other system components (for example: storage and
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graphics) for compatibility with Clear Linux OS.</p>
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</div>
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<section id="option-1-use-the-clear-linux-check-config-sh-script-on-an-existing-linux-system">
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<h2>Option 1: Use the <strong class="command">clear-linux-check-config.sh</strong> script on an existing Linux system<a class="headerlink" href="#option-1-use-the-clear-linux-check-config-sh-script-on-an-existing-linux-system" title="Link to this heading">¶</a></h2>
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<ol class="arabic">
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<li><p>Download the <a class="reference external" href="https://cdn.download.clearlinux.org/current/clear-linux-check-config.sh">clear-linux-check-config.sh</a> file.</p>
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<p>If a browser is not available, use:</p>
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<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>curl<span class="w"> </span>-O<span class="w"> </span>https://cdn.download.clearlinux.org/current/clear-linux-check-config.sh
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</pre></div>
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</div>
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</li>
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<li><p>Make the script executable.</p>
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<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>chmod<span class="w"> </span>+x<span class="w"> </span>clear-linux-check-config.sh
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</pre></div>
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</div>
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</li>
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<li><p>Run the script.</p>
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<ol class="arabic">
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<li><p>Check to see if the host’s processor is capable of running Clear Linux OS.</p>
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<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>./clear-linux-check-config.sh<span class="w"> </span>host
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</pre></div>
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</div>
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</li>
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<li><p>Check to see if the host is capable of running Clear Linux OS in a container.</p>
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<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>./clear-linux-check-config.sh<span class="w"> </span>container
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</pre></div>
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</div>
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</li>
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</ol>
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<p>The script prints a list of test results similar to the output below.
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All items should return a <cite>SUCCESS</cite> status. This example indicates the
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host’s processor supports running Clear Linux OS.</p>
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<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">Checking if host is capable of running Clear Linux* OS</span>
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<span class="go">SUCCESS: 64-bit CPU (lm)</span>
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<span class="go">SUCCESS: Supplemental Streaming SIMD Extensions 3 (ssse3)</span>
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<span class="go">SUCCESS: Streaming SIMD Extension v4.1 (sse4_1)</span>
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<span class="go">SUCCESS: Streaming SIMD Extensions v4.2 (sse4_2)</span>
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<span class="go">SUCCESS: Carry-less Multiplication extensions (pclmulqdq)</span>
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</pre></div>
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</div>
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</li>
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</ol>
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<section id="option-2-use-a-cl-live-image-on-a-non-linux-system">
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<h3>Option 2: Use a Clear Linux OS live image on a non-Linux system<a class="headerlink" href="#option-2-use-a-cl-live-image-on-a-non-linux-system" title="Link to this heading">¶</a></h3>
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<ol class="arabic">
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<li><p><a class="reference external" href="https://clearlinux.org/downloads">Download</a> either the <cite>Desktop</cite> or <cite>Server</cite> version of the live image ISO.</p></li>
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<li><p>Follow the instruction to <a class="reference internal" href="bootable-usb.html#bootable-usb"><span class="std std-ref">Create a bootable USB drive using Etcher*</span></a>.</p></li>
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<li><p>Boot up the Clear Linux OS live image on the USB.</p></li>
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<li><p>Check compatibility as follows:</p>
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<ul>
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<li><p><em>Desktop version:</em></p>
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<ol class="loweralpha">
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<li><p>Open a terminal.</p></li>
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<li><p>Check compatibility.</p>
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<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo<span class="w"> </span>clr-installer<span class="w"> </span>--system-check
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</pre></div>
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</div>
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</li>
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</ol>
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</li>
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<li><p><em>Server version:</em></p>
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<ol class="loweralpha">
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<li><p>Log in as <cite>root</cite> and set a password.</p></li>
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<li><p>Check compatibility.</p>
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<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>clr-installer<span class="w"> </span>--system-check
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</pre></div>
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</div>
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</li>
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</ol>
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</li>
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</ul>
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<p>Expected output for a compatible host processor:</p>
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<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">Checking for required CPU feature: lm [success]</span>
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<span class="go">Checking for required CPU feature: sse4_2 [success]</span>
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<span class="go">Checking for required CPU feature: sse4_1 [success]</span>
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<span class="go">Checking for required CPU feature: pclmulqdq [success]</span>
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<span class="go">Checking for required CPU feature: ssse3 [success]</span>
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<span class="go">Success: System is compatible</span>
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</pre></div>
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</div>
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</li>
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</ol>
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</section>
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<h3><a href="../index.html">Table of Contents</a></h3>
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<ul>
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<li><a class="reference internal" href="#">Check Processor Compatibility</a><ul>
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<li><a class="reference internal" href="#option-1-use-the-clear-linux-check-config-sh-script-on-an-existing-linux-system">Option 1: Use the <strong class="command">clear-linux-check-config.sh</strong> script on an existing Linux system</a><ul>
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<li><a class="reference internal" href="#option-2-use-a-cl-live-image-on-a-non-linux-system">Option 2: Use a Clear Linux OS live image on a non-Linux system</a></li>
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