projects / systemd.git / blame
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| 663996b3 MS |
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| 18 | </style><a href="index.html">Index </a>· | |
| 19 | <a href="systemd.directives.html">Directives </a>· | |
| 20 | <a href="../python-systemd/index.html">Python </a>· | |
| 21 | <a href="../libudev/index.html">libudev </a>· | |
| f47781d8 | 22 | <a href="../libudev/index.html">gudev </a><span style="float:right">systemd 218</span><hr><div class="refentry"><a name="hostname"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>hostname — Local hostname configuration file</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><p><code class="filename">/etc/hostname</code></p></div><div class="refsect1"><a name="idm140178793752064"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p>The <code class="filename">/etc/hostname</code> file |
| 663996b3 | 23 | configures the name of the local system that is set |
| 14228c0d | 24 | during boot using the |
| 5eef597e | 25 | <a href="http://man7.org/linux/man-pages/man2/sethostname.2.html"><span class="citerefentry"><span class="refentrytitle">sethostname</span>(2)</span></a> |
| 663996b3 | 26 | system call. It should contain a single |
| 14228c0d MB |
27 | newline-terminated hostname string. The |
| 28 | hostname may be a free-form string up to 64 characters | |
| 29 | in length; however, it is recommended that it consists | |
| 30 | only of 7-bit ASCII lower-case characters and no spaces or dots, | |
| 663996b3 MS |
31 | and limits itself to the format allowed for DNS domain |
| 32 | name labels, even though this is not a | |
| 14228c0d | 33 | strict requirement.</p><p>Depending on the operating system, other |
| 663996b3 | 34 | configuration files might be checked for configuration |
| 14228c0d | 35 | of the hostname as well, however only as fallback.</p><p>You may use |
| 663996b3 | 36 | <a href="hostnamectl.html"><span class="citerefentry"><span class="refentrytitle">hostnamectl</span>(1)</span></a> |
| 5eef597e MP |
37 | to change the value of this file during runtime from |
| 38 | the command line. Use | |
| 39 | <a href="systemd-firstboot.html"><span class="citerefentry"><span class="refentrytitle">systemd-firstboot</span>(1)</span></a> | |
| 40 | to initialize it on mounted (but not booted) system | |
| f47781d8 | 41 | images.</p></div><div class="refsect1"><a name="idm140178793746016"></a><h2 id="History">History<a class="headerlink" title="Permalink to this headline" href="#History">¶</a></h2><p>The simple configuration file format of |
| 663996b3 | 42 | <code class="filename">/etc/hostname</code> originates from |
| f47781d8 | 43 | Debian GNU/Linux.</p></div><div class="refsect1"><a name="idm140178793744144"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p> |
| 663996b3 | 44 | <a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>, |
| 5eef597e | 45 | <a href="http://man7.org/linux/man-pages/man2/sethostname.2.html"><span class="citerefentry"><span class="refentrytitle">sethostname</span>(2)</span></a>, |
| 663996b3 MS |
46 | <a href="hostname.html"><span class="citerefentry"><span class="refentrytitle">hostname</span>(1)</span></a>, |
| 47 | <a href="hostname.html"><span class="citerefentry"><span class="refentrytitle">hostname</span>(7)</span></a>, | |
| 48 | <a href="machine-id.html"><span class="citerefentry"><span class="refentrytitle">machine-id</span>(5)</span></a>, | |
| 49 | <a href="machine-info.html"><span class="citerefentry"><span class="refentrytitle">machine-info</span>(5)</span></a>, | |
| 50 | <a href="hostnamectl.html"><span class="citerefentry"><span class="refentrytitle">hostnamectl</span>(1)</span></a>, | |
| 5eef597e MP |
51 | <a href="systemd-hostnamed.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-hostnamed.service</span>(8)</span></a>, |
| 52 | <a href="systemd-firstboot.html"><span class="citerefentry"><span class="refentrytitle">systemd-firstboot</span>(1)</span></a> | |
| 663996b3 | 53 | </p></div></div></body></html> |