source: networking/netutils/networkmanager.xml@ 51dfb3e

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../../general.ent">
  %general-entities;

  <!ENTITY NetworkManager-download-http
           "&gnome-download-http;/NetworkManager/1.18/NetworkManager-&NetworkManager-version;.tar.xz">
  <!ENTITY NetworkManager-download-ftp
           "&gnome-download-ftp;/NetworkManager/1.18/NetworkManager-&NetworkManager-version;.tar.xz">
  <!ENTITY NetworkManager-md5sum        "5d4dd0d5ac86f0b616880e44420b8eb5">
  <!ENTITY NetworkManager-size          "4.6 MB">
  <!ENTITY NetworkManager-buildsize     "777 MB (with tests)">
  <!ENTITY NetworkManager-time          "0.9 SBU (with tests)">
]>

<sect1 id="NetworkManager" xreflabel="NetworkManager-&NetworkManager-version;">
  <?dbhtml filename="networkmanager.html"?>

  <sect1info>
    <othername>$LastChangedBy$</othername>
    <date>$Date$</date>
  </sect1info>

  <title>NetworkManager-&NetworkManager-version;</title>

  <indexterm zone="NetworkManager">
    <primary sortas="a-NetworkManager">NetworkManager</primary>
  </indexterm>

  <sect2 role="package">
    <title>Introduction to NetworkManager</title>

    <para>
      <application>NetworkManager</application> is a set of co-operative
      tools that make networking simple and straightforward. Whether you use WiFi,
      wired, 3G, or Bluetooth, NetworkManager allows you to quickly move from
      one network to another: Once a network has been configured and joined
      once, it can be detected and re-joined automatically the next time it's
      available.
    </para>

    &lfs84_checked;

    <note revision="systemd">
      <para>
        Make sure that you disable the <command>systemd-networkd</command>
        service or configure it not to manage the interfaces you want to manage
        with <application>NetworkManager</application>.
      </para>
    </note>

    <bridgehead renderas="sect3">Package Information</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>
          Download (HTTP): <ulink url="&NetworkManager-download-http;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download (FTP): <ulink url="&NetworkManager-download-ftp;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download MD5 sum: &NetworkManager-md5sum;
        </para>
      </listitem>
      <listitem>
        <para>
          Download size: &NetworkManager-size;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated disk space required: &NetworkManager-buildsize;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated build time: &NetworkManager-time;
        </para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect3">NetworkManager Dependencies</bridgehead>

    <bridgehead renderas="sect4">Required</bridgehead>
    <para role="required">
      <xref linkend="dbus-glib"/> and
      <xref linkend="libndp"/>
    </para>

    <bridgehead renderas="sect4">Recommended</bridgehead>
    <para role="recommended">
      <xref linkend="curl"/>,
      <xref linkend="dhcpcd"/> or
      <xref linkend="dhcp"/> (client only),
      <xref linkend="gobject-introspection"/>,
      <xref linkend="iptables"/>,
      <xref linkend="jansson"/>,
      <xref linkend="newt"/> (for <command>nmtui</command>),
      <xref linkend="nss"/>,
      <xref linkend="polkit"/>,
      <xref linkend="pygobject3"/>,
      <phrase revision="sysv"><xref linkend="elogind"/>,</phrase>
      <phrase revision="systemd"><xref linkend="systemd"/>,</phrase>
      <xref linkend="upower"/>,
      <xref linkend="vala"/>, and
      <xref linkend="wpa_supplicant"/> (built with D-Bus support),
    </para>

    <bridgehead renderas="sect4">Optional</bridgehead>
    <para role="optional">
      <xref linkend="bluez"/>,
      <xref linkend="dbus-python"/> (for the test suite),
      <xref linkend="gnutls"/> (used if <xref linkend="nss"/> is not found),
      <xref linkend="gtk-doc"/>,
      <xref linkend="libpsl"/>,
      <xref linkend="qt5"/> (for examples),
      <xref linkend="ModemManager"/>,
      <xref linkend="valgrind"/>,
      <ulink url="http://www.thekelleys.org.uk/dnsmasq/doc.html">dnsmasq</ulink>,
      <ulink url="https://github.com/Distrotech/libaudit">libaudit</ulink>,
      <ulink url="https://github.com/jpirko/libteam">libteam</ulink>,
      <ulink url="https://www.samba.org/ftp/ppp/">PPP</ulink>, and
      <ulink url="https://dianne.skoll.ca/projects/rp-pppoe/">RP-PPPoE</ulink>
    </para>

    <para condition="html" role="usernotes">User Notes:
      <ulink url="&blfs-wiki;/NetworkManager"/>
    </para>
  </sect2>

  <sect2 role="installation">
    <title>Installation of NetworkManager</title>

    <para>If <xref linkend="qt5"/> is installed and the Qt based 
    examples are desired, fix the configure script:</para>

<screen><userinput>sed -e '/Qt[CDN]/s/Qt/Qt5/g'       \
    -e 's/-qt4/-qt5/'              \
    -e 's/moc_location/host_bins/' \
    -i examples/C/qt/meson.build</userinput></screen>

    <para>
      Fix a missing meson.build file for initrd hooks (not used in BLFS):
    </para>

<screen><userinput>sed '/initrd/d' -i src/meson.build</userinput></screen>

    <para>
      Fix the python scripts so that they use <application>Python
      3</application>:
    </para>

<screen><userinput>grep -rl '^#!.*python$' | xargs sed -i '1s/python/&amp;3/'</userinput></screen>

    <para>
      Install <application>NetworkManager</application> by running the
      following commands:
    </para>

<screen revision="sysv"><userinput>mkdir build &amp;&amp;
cd    build &amp;&amp;

CXXFLAGS+="-O2 -fPIC"            \
meson --prefix /usr              \
      --sysconfdir /etc          \
      --localstatedir /var       \
      -Djson_validation=false    \
      -Dlibaudit=no              \
      -Dlibnm_glib=true          \
      -Dlibpsl=false             \
      -Dnmtui=true               \
      -Dovs=false                \
      -Dppp=false                \
      -Dselinux=false            \
      -Dudev_dir=/lib/udev       \
      -Dsession_tracking=elogind \
      -Dmodem_manager=false      \
      -Dsystemdsystemunitdir=no  \
      -Dsystemd_journal=false    \
      -Dqt=false                 \
      .. &amp;&amp;
ninja</userinput></screen>

<screen revision="systemd"><userinput>mkdir build &amp;&amp;
cd    build    &amp;&amp;

CXXFLAGS+="-O2 -fPIC"            \
meson --prefix /usr              \
      --sysconfdir /etc          \
      --localstatedir /var       \
      -Djson_validation=false    \
      -Dlibaudit=no              \
      -Dlibnm_glib=true          \
      -Dlibpsl=false             \
      -Dnmtui=true               \
      -Dovs=false                \
      -Dppp=false                \
      -Dselinux=false            \
      -Dqt=false                 \
      -Dudev_dir=/lib/udev       \
      -Dsession_tracking=systemd \
      -Dmodem_manager=false      \
      -Dsystemdsystemunitdir=/lib/systemd/system \
      .. &amp;&amp;
ninja</userinput></screen>

    <para>
      An already active <phrase revision="sysv">graphical</phrase> session
      with bus address is necessary to run the tests. To test the results,
      issue: <command>ninja test</command>.
    </para>

    <para>
      Now, as the <systemitem class="username">root</systemitem> user:
    </para>

<screen role="root"><userinput>ninja install &amp;&amp;
mv -v /usr/share/doc/NetworkManager{,-&NetworkManager-version;}</userinput></screen>

  </sect2>

  <sect2 role="commands">
    <title>Command Explanations</title>

    <para>
      <envar>CXXFLAGS="-O2 -fPIC"</envar>: These compiler options are 
      necessary to build the Qt5 based examples.
    </para>

    <para>
      <option>-Ddocs=true</option>: Use this switch to enable building
      man pages and documentation if <xref linkend="gtk-doc"/> is installed.
    </para>

    <para>
      <parameter>-Dnmtui=true</parameter>: This parameter enables building
      <command>nmtui</command>.
    </para>

    <para revision="sysv">
      <parameter>-Dsystemdsystemunitdir=no</parameter> and
      <parameter>-Dsystemd_journal=false</parameter>: systemd is not
      used for sysv init systems.
    </para>

    <para>
      <parameter>-Djson_validation=false</parameter>,
      <parameter>-Dlibpsl=false</parameter>, and
      <parameter>-Dovs=false</parameter>: These switches disable building with the
      respective libraries. Remove if you have the needed libraries installed.
    </para>

    <para>
      <parameter>-Dlibpsl=false</parameter>: This switch is required if
      <application>libpsl</application> is not installed. Omit this switch if
      you have built <application>libpsl</application>.
    </para>

    <para>
      <parameter>-Dmodem_manager=false</parameter>: This switch is requried if
      <application>ModemManager</application> is not installed. Omit if you
      have built <application>ModemManager</application>.
    </para>

    <para revision="sysv">
      <parameter>-Dsession_tracking=elogind</parameter>: This switch
      is used to set <command>elogind</command> as the default
      program for session tracking.
    </para>

    <para revision="systemd">
      <parameter>-Dsession_tracking=systemd</parameter>: This switch
      is used to set <command>systemd-logind</command> as the default
      program for session tracking.
    </para>

    <para revision="systemd">
      <parameter>-Dsystemdsystemunitdir=/lib/systemd/system</parameter>:
      This switch is used to set the correct installation directory for
      systemd units.
    </para>

    <para>
      <parameter>-Dppp=false</parameter>: This parameter disables
      <application>PPP</application> support in
      <application>NetworkManager</application>.
    </para>

    <para>
      <parameter>-Dlibaudit=no</parameter> and
      <parameter>-Dselinux=false</parameter>: libaudit and SELinux are not used
      in BLFS.
    </para>

    <para>
      <parameter>-Dqt=false</parameter>: disables the
      <application>QT</application> examples. Omit if you have
      <application>QT</application> available and wish to install the examples.
    </para>

  </sect2>

  <sect2 role="configuration">
    <title>Configuring NetworkManager</title>

    <sect3 id="NetworkManager-config">
      <title>Config Files</title>
      <para>
        <filename>/etc/NetworkManager/NetworkManager.conf</filename>
      </para>

      <indexterm zone="NetworkManager NetworkManager-config">
        <primary
        sortas="e-etc-NetworkManager-NetworkManager.conf">
        /etc/NetworkManager/NetworkManager.conf</primary>
      </indexterm>

    </sect3>

    <sect3><title>Configuration Information</title>

      <para>
        For <application>NetworkManager</application> to work, at least
        a minimal configuration file must be present. Such file is not
        installed with <command>make install</command>. Issue the following
        command as the <systemitem class="username">root</systemitem> user to
        create minimal <filename>NetworkManager.conf</filename> file:
      </para>

<screen role="root"><userinput>cat &gt;&gt; /etc/NetworkManager/NetworkManager.conf &lt;&lt; "EOF"
<literal>[main]
plugins=keyfile</literal>
EOF</userinput></screen>

      <para>
        This file should not be modified directly by users of the system.
        Instead, system specific changes should be made using configuration
        files in the
        <filename class="directory">/etc/NetworkManager/conf.d</filename>
        direcotry.
      </para>

      <para>
        To allow polkit to manage authorizations, add the following
        configuration file:
      </para>

<screen role="root"><userinput>cat &gt; /etc/NetworkManager/conf.d/polkit.conf &lt;&lt; "EOF"
<literal>[main]
auth-polkit=true</literal>
EOF</userinput></screen>

      <para>
        To use something other than the built-in dhcp client (recommended if
        using only <command>nmcli</command>), use the following configuration
       (valid values are dhclient, dhcpcd, and internal):
      </para>

<screen role="nodump"><userinput>cat &gt; /etc/NetworkManager/conf.d/dhcp.conf &lt;&lt; "EOF"
<literal>[main]
dhcp=</literal><replaceable>dhclient</replaceable>
EOF</userinput></screen>

      <para>
        To prevent <application>NetworkManager</application> from updating the
        <filename>/etc/resolv.conf</filename> file, add the following
        configuration file:
      </para>

<screen role="nodump"><userinput>cat &gt; /etc/NetworkManager/conf.d/no-dns-update.conf &lt;&lt; "EOF"
<literal>[main]
dns=none</literal>
EOF</userinput></screen>

      <para>
        For additional configuation options, see
        <command>man 5 NetworkManager.conf</command>.
      </para>

      <para>
        To allow regular users permission to configure network connections,
        you should add them to the
        <systemitem class="groupname">netdev</systemitem>
        group, and create a <application>polkit</application> rule that grants
        access. Run the following commands as the
        <systemitem class="username">root</systemitem> user:
      </para>

<screen role="root"><userinput>groupadd -fg 86 netdev &amp;&amp;
/usr/sbin/usermod -a -G netdev <replaceable>&lt;username&gt;</replaceable>

cat &gt; /usr/share/polkit-1/rules.d/org.freedesktop.NetworkManager.rules &lt;&lt; "EOF"
<literal>polkit.addRule(function(action, subject) {
    if (action.id.indexOf("org.freedesktop.NetworkManager.") == 0 &amp;&amp; subject.isInGroup("netdev")) {
        return polkit.Result.YES;
    }
});</literal>
EOF</userinput></screen>

    </sect3>

    <sect3 id="NetworkManager-init">
      <title><phrase revision="sysv">Boot Script</phrase>
             <phrase revision="systemd">Systemd Unit</phrase></title>

      <para revision="sysv">
        To automatically start the <command>NetworkManager</command> daemon
        when the system is rebooted, install the
        <filename>/etc/rc.d/init.d/networkmanager</filename>bootscript from the 
        <xref linkend="bootscripts"/> package.
      </para>

      <para revision="systemd">
        To start the <command>NetworkManager</command> daemon at boot, enable
        the previously installed systemd unit by running the following command
        as the <systemitem class="username">root</systemitem> user:
      </para>

      <note>
        <para>
          If using <application>Network Manager</application> to manage
          an interface, any previous configuration for that interface should be
          removed, and the interface brought down prior to starting
          <application>Network Manager</application>.
        </para>
      </note>
         
      <indexterm zone="NetworkManager NetworkManager-init">
        <primary sortas="f-NetworkManager">NetworkManager</primary>
      </indexterm>

<screen role="root" revision="sysv"><userinput>make install-networkmanager</userinput></screen>

<screen role="root" revision="systemd"><userinput>systemctl enable NetworkManager</userinput></screen>

      <para revision="systemd">
        <application>NetworkManager</application> also ships a systemd unit
        called <filename>NetworkManager-wait-online.service</filename> which
        can be used to prevent services that require network connectivity
        from starting until <application>NetworkManager</application> has
        established the connection. To enable it, run the following command
        as the <systemitem class="username">root</systemitem> user:
      </para>

<screen role="root" revision="systemd"><userinput>systemctl enable NetworkManager-wait-online</userinput></screen>

    </sect3>

  </sect2>

  <sect2 role="content">
    <title>Contents</title>

    <segmentedlist>
      <segtitle>Installed Programs</segtitle>
      <segtitle>Installed Libraries</segtitle>
      <segtitle>Installed Directories</segtitle>

      <seglistitem>
        <seg>
          NetworkManager, nmcli, nm-online, nmtui, and, symlinked to nmtui:
          nmtui-connect, nmtui-edit, and nmtui-hostname
        </seg>
        <seg>
          libnm.so and several modules under /usr/lib/NetworkManager
        </seg>
        <seg>
          /etc/NetworkManager,
          /usr/include/libnm,
          /usr/lib/NetworkManager,
          /usr/share/doc/NetworkManager-&NetworkManager-version;,
          /usr/share/gtk-doc/html/{libnm,NetworkManager}
          (if the documentation is built),
          and
          /var/lib/NetworkManager
        </seg>
        <!-- A lot of libraries were removed here. We should verify compatibilty. -->
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="nmcli">
        <term><command>nmcli</command></term>
        <listitem>
          <para>
            is a command-line tool for controlling
            <application>NetworkManager</application>
            and getting its status.
          </para>
          <indexterm zone="NetworkManager nmcli">
            <primary sortas="b-nmcli">nmcli</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="nm-online">
        <term><command>nm-online</command></term>
        <listitem>
          <para>
            is a utility to find out whether you are online.
          </para>
          <indexterm zone="NetworkManager nm-online">
            <primary sortas="b-nm-online">nm-online</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="nmtui">
        <term><command>nmtui</command></term>
        <listitem>
          <para>
            is an interactive ncurses based interface for
            <application>nmcli</application>.
          </para>
          <indexterm zone="NetworkManager nmtui">
            <primary sortas="b-nmtui">nmtui</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="nmtui-connect">
        <term><command>nmtui-connect</command></term>
        <listitem>
          <para>
            is an interactive ncurses based interface connection to 
            activate/deactivate connections.
          </para>
          <indexterm zone="NetworkManager nmtui-connect">
            <primary sortas="b-nmtui-connect">nmtui-connect</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="nmtui-edit">
        <term><command>nmtui-edit</command></term>
        <listitem>
          <para>
            is an interactive ncurses based interface connection editor.
          </para>
          <indexterm zone="NetworkManager nmtui-edit">
            <primary sortas="b-nmtui-edit">nmtui-edit</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="nmtui-hostname">
        <term><command>nmtui-hostname</command></term>
        <listitem>
          <para>
            is an interactive ncurses based interface hostname editor.
          </para>
          <indexterm zone="NetworkManager nmtui-hostname">
            <primary sortas="b-nmtui-hostname">nmtui-hostname</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="NetworkManager-prog">
        <term><command>NetworkManager</command></term>
        <listitem>
          <para>
            is the network management daemon.
          </para>
          <indexterm zone="NetworkManager NetworkManager-prog">
            <primary sortas="b-NetworkManager">NetworkManager</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libnm">
        <term><filename class="libraryfile">libnm.so</filename></term>
        <listitem>
          <para>
            contains functions used by <application>NetworkManager</application>.
          </para>
          <indexterm zone="NetworkManager libnm">
            <primary sortas="c-libnm">libnm.so</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>