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of the host name as well, however only as fallback.</p><p>You may use
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<a href="hostnamectl.html"><span class="citerefentry"><span class="refentrytitle">hostnamectl</span>(1)</span></a>
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to change the value of this file from the command
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<code class="filename">/etc/hostname</code> originates from
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<a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>,
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<a href="sethostname.html"><span class="citerefentry"><span class="refentrytitle">sethostname</span>(2)</span></a>,
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<a href="hostname.html"><span class="citerefentry"><span class="refentrytitle">hostname</span>(1)</span></a>,