source: x/dm/sddm.xml@ 9fa25aa

<?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;

  <!-- Place this in the general.ent file
  <!ENTITY TEMPLATE-version "">
  -->

  <!ENTITY sddm-download-http "http://anduin.linuxfromscratch.org/sources/BLFS/conglomeration/sddm/sddm-&sddm-version;.tar.xz">
  <!ENTITY sddm-download-ftp  " ">
  <!ENTITY sddm-md5sum        "e110a7683867400dc9484d4744fd41dd">
  <!ENTITY sddm-size          "4.6 KB">
  <!ENTITY sddm-buildsize     "19 MB">
  <!ENTITY sddm-time          "0.6 SBU ">
]>

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

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

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

  <indexterm zone="sddm">
    <primary sortas="a-SDDM">SDDM</primary>
  </indexterm>

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

    <para>
      The <application>SDDM</application> package contains a lightweight
      display manager written in <application>Qt</application> and QML.
    </para>

    &lfs77_checked; &gcc5_checked;

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

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

    <bridgehead renderas="sect4">Required</bridgehead>
    <para role="required">
      <xref linkend="cmake"/> and
      <xref linkend="qt5"/>
    </para>

    <bridgehead renderas="sect4">Recommended</bridgehead>
    <para role="recommended">
      <xref linkend="linux-pam"/>
    </para>

    <bridgehead renderas="sect4">Optional</bridgehead>
    <para role="optional">
      <ulink url="http://sourceforge.net/projects/docutils/">Docutils</ulink>
    </para>

    <bridgehead renderas="sect4">Runtime Dependencies</bridgehead>
    <para role="required">
      <xref linkend="consolekit"/>
    </para>

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

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

    <para>
      It is recommended to have a dedicated user and group to take
      control of the <command>sddm</command> daemon after it is
      started. Issue the following commands as the
      <systemitem class="username">root</systemitem> user:
    </para>

<screen role="root"><userinput>groupadd -g 64 sddm &amp;&amp;
useradd -c "SDDM Daemon Owner" -d /var/lib/sddm -u 64 \
        -g sddm -s /bin/false sddm</userinput></screen>

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

<screen><userinput>mkdir build &amp;&amp;
cd    build &amp;&amp;

cmake -DCMAKE_INSTALL_PREFIX=/usr \
      -DCMAKE_BUILD_TYPE=Release  \
      -DENABLE_JOURNALD=OFF       \
      -DBUILD_MAN_PAGES=ON
      -Wno-dev .. &amp;&amp;
make</userinput></screen>

    <para>
      This package does not come with a test suite.
    </para>

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

<screen role="root"><userinput>make install &amp;&amp;
install -v -dm755 -o sddm -g sddm /var/lib/sddm</userinput></screen>

  </sect2>

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

    <para>
      <parameter>-DCMAKE_BUILD_TYPE=Release</parameter>: This switch is used to
      apply higher level of the compiler optimizations.
    </para>

    <para>
      <parameter>-DENABLE_JOURNALD=OFF</parameter>: This switch is used because
      BLFS does not support <application>systemd</application>.
    </para>

  </sect2>

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

    <sect3>
      <title>Linux PAM Configuration</title>

      <para>
        If you have built <application>SDDM</application>
        with <application>Linux PAM</application> support,
        create the necessary configuration files by running
        the following commands as the <systemitem
        class="username">root</systemitem> user:
      </para>

<screen role="root"><userinput>cat &gt; /etc/pam.d/sddm &lt;&lt; "EOF"  &amp;&amp;
<literal># Begin /etc/pam.d/sddm

auth     requisite      pam_nologin.so
auth     required       pam_env.so

auth     required       pam_succeed_if.so uid &gt;= 1000 quiet
auth     include        system-auth

account  include        system-account
password include        system-password

session  required       pam_limits.so
session  include        system-session

# End /etc/pam.d/sddm</literal>
EOF
cat &gt; /etc/pam.d/sddm-autologin &lt;&lt; "EOF" &amp;&amp;
<literal># Begin /etc/pam.d/sddm-autologin

auth     requisite      pam_nologin.so
auth     required       pam_env.so

auth     required       pam_succeed_if.so uid &gt;= 1000 quiet
auth     required       pam_permit.so

account  include        system-account

password required       pam_deny.so

session  required       pam_limits.so
session  include        system-session

# End /etc/pam.d/sddm-autologin</literal>
EOF
cat &gt; /etc/pam.d/sddm-greeter &lt;&lt; "EOF"
<literal># Begin /etc/pam.d/sddm-greeter

auth     required       pam_env.so
auth     required       pam_permit.so

account  required       pam_permit.so
password required       pam_deny.so
session  required       pam_unix.so
-session optional       pam_systemd.so

# End /etc/pam.d/sddm-greeter</literal>
EOF</userinput></screen>

    </sect3>

    <sect3 id="sddm-init">
      <title>Starting sddm</title>

      <para>
        You can manually start <command>sddm</command>, e.g, if the bootscript
        has been installed, by running, as <systemitem
        class="username">root</systemitem> user:
      </para>

<screen role="root"><userinput>/etc/rc.d/init.d/sddm start</userinput></screen>

      <para>
        By definition, X should be executed at runlevel 5, consequently, the
        same is true for <application>sddm</application>. However, BLFS default
        runlevel is 3. Changing to runlevel 5, from the terminal, as
        <systemitem class="username">root</systemitem> user, makes the
        <command>sddm</command> bootscript to be executed, obtaining the
        greeter screen:
      </para>

<screen role="root"><userinput>init 5</userinput></screen>

      <para>
        In order to permanently set the default to 5, obtaining the
        <command>sddm</command> greeter screen automatically, you can modify
        <filename>/etc/inittab</filename>, as <systemitem
        class="username">root</systemitem> user (the instructions below also
        make a backup, so you can easily revert the modification):
      </para>

<screen role="root"><userinput>cp -v /etc/inittab{,-orig} &amp;&amp;
sed -i '/initdefault/ s/3/5/' /etc/inittab</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>
          sddm and sddm-greeter
        </seg>
        <seg>
          None
        </seg>
        <seg>
          $QT5DIR/qml/SddmComponents,
          /usr/share/sddm and
          /var/lib/sddm
        </seg>
      </seglistitem>
    </segmentedlist>

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

      <varlistentry id="sddm-prog">
        <term><command>sddm</command></term>
        <listitem>
          <para>
            is a display and login manager based on
            <application>Qt</application> technologies.
          </para>
          <indexterm zone="sddm sddm-prog">
            <primary sortas="b-sddm">sddm</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="sddm-greeter">
        <term><command>sddm-greeter</command></term>
        <listitem>
          <para>
            is an auxiliary process that displays the greeter,
            a graphical user interface to perform the
            authentication and select the session to run.
          </para>
          <indexterm zone="sddm sddm-greeter">
            <primary sortas="b-sddm-greeter">sddm-greeter</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>