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  • BOOK/network/common/systemd-network.xml

    r31e77c0 r6d3523f  
    1 <?xml version="1.0" encoding="ISO-8859-1"?>
    2 <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
    3   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
    4   <!ENTITY % general-entities SYSTEM "../../general.ent">
    5   %general-entities;
    6 ]>
    7 
    8 <sect1 id="ch-systemd-network">
    9   <?dbhtml filename="systemd-network.html"?>
    10 
    11   <title>Networking Configuration with Systemd-networkd</title>
    12 
    13   <sect2 role="static">
    14     <title>Creating the Static Network Interface Configuration Files</title>
    15 
    16     <note><para>Udev may assign random Network Card Interface names
    17     for some network cards such as enp2s1. If you are not sure what
    18     your Network Card Interface name is, you can always run
    19     <command>ip l</command> after you have booted your system. It is important that the <envar>Name</envar> variable in  <filename>/etc/systemd/network</filename> contain the correct Network Card Interface name (e.g.
    20     <envar>Name=enp2s1</envar> or
    21     <envar>Name=eth0</envar>) or Systemd will fail to bring
    22     up your network interface.</para></note>
    23 
    24     <para><command>systemd-networkd</command> uses <filename>/etc/system/network</filename> for configuration files. Refer to systemd.network(5) and systemd.netdev(5). Configure a network interface with a config file. Adjust Name= as required:</para>
    25 
    26 <screen><userinput>cd /etc/systemd/network &amp;&amp;
    27 cat &gt; static.network &lt;&lt; "EOF"
    28 [Match]
    29 Name=enp2s0
    30 
    31 [Network]
    32 Address=192.168.1.1/24
    33 Gateway=192.168.1.2
    34 EOF</userinput></screen>
    35 
    36     <para os="var-ob">The values of these variables must be changed in every
    37     file to match the proper setup.</para>
    38 
    39     <para os="var-i">The <envar>Name</envar> variable defines the interface
    40     name, for example, eth0. It is required for all network device configuration
    41     files.</para>
    42 
    43     <para>The <envar>Gateway</envar> variable should contain the default
    44     gateway IP address, if one is present. If not, then comment out the
    45     variable entirely.</para>
    46 
    47     <para>For more information see the <command>systemd.netdev</command> man page.</para>
    48 
    49   </sect2>
    50 
    51   <sect2 role="dhcp">
    52     <title>Connecting to a network with DHCP</title>
    53 
    54   <para><command>systemd-networkd</command> uses <filename>/etc/systemd/network</filename> for configuration files. Refer to <filename>systemd.network(5)</filename> and <filename>systemd.netdev(5)</filename>. Configure a network interface with a config file. Adjust Name= as required:</para>
    55 
    56 <screen><userinput>cd /etc/systemd/network &amp;&amp;
    57 cat &gt; dhcp.network &lt;&lt; "EOF"
    58 [Match]
    59 Name=enp2s0
    60 
    61 [Network]
    62 DHCP=yes
    63 EOF</userinput></screen>
    64 
    65   <para><command>systemd-networkd</command> will automatically configure <filename>/run/systemd/network/resolv.conf</filename> when using DHCP. If you did not manually create <filename>/etc/resolv.conf</filename>, create a symlink:</para>
    66 
    67 <screen><userinput>ln -sv /run/systemd/network/resolv.conf /etc</userinput></screen>
    68 
    69   </sect2>
    70 
    71 </sect1>
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