1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" |
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ |
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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5 | %general-entities; |
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6 | ]> |
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7 | <sect1 id="ch-system-systemd" role="wrap"> |
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8 | <?dbhtml filename="systemd.html"?> |
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9 | |
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10 | <title>Systemd-&systemd-version;</title> |
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11 | |
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12 | <indexterm zone="ch-system-systemd"> |
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13 | <primary sortas="a-systemd">Systemd</primary> |
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14 | </indexterm> |
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15 | |
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16 | <sect2 role="package"> |
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17 | <title/> |
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18 | |
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19 | <para>The systemd package is a system and service manager for Linux |
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20 | operating systems.</para> |
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21 | |
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22 | </sect2> |
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23 | |
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24 | <sect2 role="installation"> |
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25 | <title>Installation of Systemd</title> |
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26 | |
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27 | <para os="p1">Systemd 211 merged several libraries into |
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28 | <filename class="libraryfile">libsystemd</filename>, but some packages |
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29 | that use systemd still expect those separate libraries. Apply a patch |
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30 | to allow backwards compatibility with these packages by |
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31 | installing Pkg-config files for the old libraries:</para> |
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32 | |
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33 | <screen os="p2"><userinput>patch -Np1 -i ../&systemd-compat-patch;</userinput></screen> |
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34 | |
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35 | <para os="a">Prepare systemd for compilation:</para> |
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36 | |
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37 | <screen os="b"><userinput>./configure --prefix=/usr \ |
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38 | --sysconfdir=/etc --localstatedir=/var \ |
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39 | --libexecdir=/usr/lib --docdir=/usr/share/doc/systemd-&systemd-version; \ |
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40 | --with-rootprefix="" --with-rootlibdir=/lib \ |
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41 | --enable-split-usr --disable-gudev --with-kbd-loadkeys=/bin/loadkeys \ |
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42 | --with-kbd-setfont=/bin/setfont --with-dbuspolicydir=/etc/dbus-1/system.d \ |
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43 | --with-dbusinterfacedir=/usr/share/dbus-1/interfaces \ |
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44 | --with-dbussessionservicedir=/usr/share/dbus-1/services \ |
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45 | --with-dbussystemservicedir=/usr/share/dbus-1/system-services</userinput></screen> |
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46 | |
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47 | <variablelist os="c"> |
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48 | <title>The meaning of the configure options:</title> |
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49 | |
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50 | <varlistentry> |
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51 | <term><parameter>--with-root*</parameter></term> |
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52 | <listitem> |
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53 | <para>These switches ensure that core programs and |
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54 | shared libraries are installed in the subdirectories |
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55 | of the root partition.</para> |
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56 | </listitem> |
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57 | </varlistentry> |
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58 | |
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59 | <varlistentry> |
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60 | <term><parameter>--enable-split-usr</parameter></term> |
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61 | <listitem> |
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62 | <para>This switch ensures that systemd will work on |
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63 | systems where /bin, /lib and /sbin directories are not |
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64 | symlinks to their /usr counterparts.</para> |
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65 | </listitem> |
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66 | </varlistentry> |
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67 | |
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68 | <varlistentry> |
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69 | <term><parameter>--disable-gudev</parameter></term> |
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70 | <listitem> |
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71 | <para>This switch prevents systemd from building |
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72 | <filename class="libraryfile">libgudev</filename> as it requires |
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73 | Glib, which is not installed in CLFS.</para> |
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74 | </listitem> |
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75 | </varlistentry> |
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76 | |
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77 | <varlistentry> |
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78 | <term><parameter>--with-dbus*</parameter></term> |
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79 | <listitem> |
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80 | <para>These switches ensure that D-Bus configuration files get |
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81 | installed to the correct locations.</para> |
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82 | </listitem> |
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83 | </varlistentry> |
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84 | </variablelist> |
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85 | |
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86 | <para os="d">Compile the package:</para> |
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87 | |
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88 | <screen os="e"><userinput>make</userinput></screen> |
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89 | |
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90 | <para os="f">Prevent a broken test case from running:</para> |
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91 | |
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92 | <screen os="g"><userinput remap="test">sed -e "s:test/udev-test.pl::g" \ |
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93 | -e "s:test-bus-cleanup\$(EXEEXT) ::g" \ |
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94 | -e "s:test-bus-gvariant\$(EXEEXT) ::g" \ |
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95 | -i Makefile</userinput></screen> |
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96 | |
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97 | <para os="h">To test the results, issue:</para> |
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98 | |
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99 | <screen os="i"><userinput remap="test">make check</userinput></screen> |
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100 | |
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101 | <para os="j">Install the package:</para> |
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102 | |
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103 | <screen os="k"><userinput>make install</userinput></screen> |
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104 | |
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105 | <para os="l">Install documentation files that are not installed by default:</para> |
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106 | |
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107 | <screen os="m"><userinput>install -v -m644 man/*.html /usr/share/doc/systemd-&systemd-version;</userinput></screen> |
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108 | |
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109 | <para os="n">Move NSS myhostname library to <filename class="directory">/lib |
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110 | </filename>:</para> |
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111 | |
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112 | <screen os="o"><userinput>mv -v /usr/lib/libnss_myhostname.so.2 /lib</userinput></screen> |
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113 | |
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114 | <para os="p">Remove an unnecessary directory:</para> |
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115 | |
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116 | <screen os="q"><userinput>rm -rfv /usr/lib/rpm</userinput></screen> |
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117 | |
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118 | <para os="r">Create symlinks for backwards-compatibility with Sysvinit:</para> |
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119 | |
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120 | <screen os="s"><userinput>for tool in runlevel reboot shutdown poweroff halt telinit; do |
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121 | ln -sfv ../bin/systemctl /sbin/$tool |
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122 | done |
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123 | ln -sfv ../lib/systemd/systemd /sbin/init</userinput></screen> |
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124 | |
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125 | <para os="t">Modify a configuration file which references a group that |
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126 | doesn't exist:</para> |
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127 | |
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128 | <screen os="u"><userinput>sed -i "s@root lock@root root@g" /usr/lib/tmpfiles.d/legacy.conf</userinput></screen> |
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129 | |
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130 | </sect2> |
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131 | |
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132 | <sect2 id="conf-systemd" role="configuration"> |
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133 | <title>Configuring Systemd</title> |
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134 | |
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135 | <indexterm zone="conf-systemd"> |
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136 | <primary sortas="a-systemd">systemd</primary> |
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137 | <secondary>configuring</secondary></indexterm> |
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138 | |
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139 | <indexterm zone="conf-systemd"> |
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140 | <primary sortas="e-/etc/os-release">/etc/os-release</primary> |
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141 | </indexterm> |
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142 | |
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143 | <para>Create <filename>/etc/machine-id</filename> which is needed |
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144 | by Journald:</para> |
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145 | |
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146 | <screen><userinput>systemd-machine-id-setup</userinput></screen> |
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147 | |
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148 | <para>Create a file to identify the operating system. |
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149 | <command>systemd</command> will use this file on boot to put information |
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150 | on the screen.</para> |
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151 | |
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152 | <screen><userinput>cat > /etc/os-release << "EOF" |
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153 | # Begin /etc/os-release |
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154 | |
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155 | NAME=Cross-LFS |
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156 | ID=clfs |
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157 | |
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158 | PRETTY_NAME=Cross Linux From Scratch |
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159 | ANSI_COLOR=0;33 |
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160 | |
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161 | VERSION=&version; |
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162 | VERSION_ID=&versionid; |
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163 | |
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164 | # End /etc/os-release |
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165 | EOF</userinput></screen> |
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166 | |
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167 | </sect2> |
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168 | |
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169 | <sect2 id="contents-systemd" role="content"> |
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170 | <title>Contents of Systemd</title> |
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171 | |
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172 | <segmentedlist> |
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173 | <segtitle>Installed programs</segtitle> |
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174 | <segtitle>Installed libraries</segtitle> |
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175 | <segtitle>Installed directories</segtitle> |
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176 | |
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177 | <seglistitem> |
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178 | <seg>bootctl, busctl, halt (link to systemctl), hostnamectl, |
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179 | init (link to systemd), journalctl, kernel-install, localectl, loginctl, |
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180 | machinectl, poweroff (link to systemctl), reboot (link to systemctl), |
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181 | runlevel (link to systemctl), shutdown (link to systemctl), |
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182 | systemctl, system-analyze, systemd-ask-password, systemd-cat, |
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183 | systemd-cgls, systemd-cgtop, systemd-coredumpctl, systemd-delta, |
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184 | systemd-detect-virt, systemd-inhibit, systemd-machine-id-setup, |
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185 | systemd-notify, systemd-nspawn, systemd-run, systemd-stdio-bridge |
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186 | (link to systemd-bus-proxyd), systemd-tmpfiles, |
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187 | systemd-tty-ask-password-agent, telinit (link to systemctl), |
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188 | timedatectl, udevadm</seg> |
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189 | <seg>libnss_myhostname.so, libsystemd.so, libudev.so</seg> |
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190 | <seg>/etc/binfmt.d, /etc/init.d, /etc/kernel, /etc/modules-load.d, |
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191 | /etc/sysctl.d, /etc/systemd, /etc/tmpfiles.d, /etc/udev, |
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192 | /etc/xdg/systemd, /lib/systemd, /lib/udev, /usr/include/systemd, |
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193 | /usr/lib/binfmt.d, /usr/lib/kernel, /usr/lib/modules-load.d, |
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194 | /usr/lib/sysctl.d, /usr/lib/systemd, |
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195 | /usr/share/doc-systemd-&systemd-version;, /usr/share/systemd, |
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196 | /var/lib/systemd</seg> |
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197 | </seglistitem> |
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198 | </segmentedlist> |
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199 | |
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200 | <variablelist> |
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201 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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202 | <?dbfo list-presentation="list"?> |
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203 | <?dbhtml list-presentation="table"?> |
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204 | |
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205 | <varlistentry id="systemctl"> |
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206 | <term><command>systemctl</command></term> |
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207 | <listitem> |
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208 | <para>Control the systemd system and service manager</para> |
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209 | <indexterm zone="ch-system-systemd systemctl"> |
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210 | <primary sortas="b-systemctl">systemctl</primary> |
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211 | </indexterm> |
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212 | </listitem> |
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213 | </varlistentry> |
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214 | |
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215 | <varlistentry id="systemd"> |
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216 | <term><command>systemd</command></term> |
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217 | <listitem> |
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218 | <para>System and service manager for Linux</para> |
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219 | <indexterm zone="ch-system-systemd systemd"> |
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220 | <primary sortas="b-systemd">systemd</primary> |
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221 | </indexterm> |
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222 | </listitem> |
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223 | </varlistentry> |
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224 | |
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225 | <varlistentry id="systemd-ask-password"> |
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226 | <term><command>systemd-ask-password</command></term> |
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227 | <listitem> |
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228 | <para>Queries the user for a system passphrase, via the |
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229 | TTY or an UI agent.</para> |
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230 | <indexterm zone="ch-system-systemd systemd-ask-password"> |
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231 | <primary sortas="b-systemd-ask-password">systemd-ask-password</primary> |
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232 | </indexterm> |
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233 | </listitem> |
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234 | </varlistentry> |
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235 | |
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236 | <varlistentry id="systemd-cgls"> |
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237 | <term><command>systemd-cgls</command></term> |
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238 | <listitem> |
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239 | <para>Recursively shows control group contents</para> |
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240 | <indexterm zone="ch-system-systemd systemd-cgls"> |
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241 | <primary sortas="b-systemd-cgls">systemd-cgls</primary> |
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242 | </indexterm> |
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243 | </listitem> |
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244 | </varlistentry> |
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245 | |
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246 | <varlistentry id="systemd-notify"> |
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247 | <term><command>systemd-notify</command></term> |
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248 | <listitem> |
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249 | <para>Notify init system about start-up completion and other daemon |
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250 | status changes</para> |
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251 | <indexterm zone="ch-system-systemd systemd-notify"> |
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252 | <primary sortas="b-systemd-notify">systemd-notify</primary> |
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253 | </indexterm> |
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254 | </listitem> |
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255 | </varlistentry> |
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256 | |
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257 | <varlistentry id="systemd-tty-ask-password-agent"> |
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258 | <term><command>systemd-tty-ask-password-agent</command></term> |
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259 | <listitem> |
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260 | <para>Process system password requests</para> |
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261 | <indexterm zone="ch-system-systemd systemd-tty-ask-password-agent"> |
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262 | <primary sortas="b-systemd-tty-ask-password-agent">systemd-tty-ask-password-agent</primary> |
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263 | </indexterm> |
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264 | </listitem> |
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265 | </varlistentry> |
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266 | |
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267 | <varlistentry id="pam_systemd"> |
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268 | <term><filename class="libraryfile">pam_systemd</filename></term> |
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269 | <listitem> |
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270 | <para>Register user sessions in the systemd control group |
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271 | hierarchy</para> |
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272 | <indexterm zone="ch-system-systemd pam_systemd"> |
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273 | <primary sortas="c-pam_systemd">pam_systemd</primary> |
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274 | </indexterm> |
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275 | </listitem> |
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276 | </varlistentry> |
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277 | |
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278 | <varlistentry id="lib-systemd"> |
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279 | <term><filename class="directory">/lib/systemd</filename></term> |
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280 | <listitem> |
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281 | <para>Location of system units and configurations</para> |
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282 | <indexterm zone="ch-system-systemd lib-systemd"> |
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283 | <primary sortas="e-/lib/systemd">/lib/systemd</primary> |
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284 | </indexterm> |
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285 | </listitem> |
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286 | </varlistentry> |
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287 | |
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288 | <varlistentry id="etc-systemd"> |
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289 | <term><filename class="directory">/etc/systemd</filename></term> |
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290 | <listitem> |
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291 | <para>Location of user units and configurations</para> |
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292 | <indexterm zone="ch-system-systemd etc-systemd"> |
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293 | <primary sortas="e-/etc/systemd">/etc/systemd</primary> |
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294 | </indexterm> |
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295 | </listitem> |
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296 | </varlistentry> |
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297 | |
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298 | <varlistentry id="etc-tmpfilesd"> |
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299 | <term><filename class="directory">/etc/tmpfiles.d</filename></term> |
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300 | <listitem> |
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301 | <para>Configuration for creation, deletion and cleaning of temporary |
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302 | and volatile files</para> |
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303 | <indexterm zone="ch-system-systemd etc-tmpfilesd"> |
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304 | <primary sortas="e-/etc/tmpfiles.d">/etc/tmpfiles.d</primary> |
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305 | </indexterm> |
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306 | </listitem> |
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307 | </varlistentry> |
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308 | |
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309 | <varlistentry id="usr-share-systemd"> |
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310 | <term><filename class="directory">/usr/share/systemd</filename></term> |
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311 | <listitem> |
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312 | <para>Location of session unit files</para> |
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313 | <indexterm zone="ch-system-systemd usr-share-systemd"> |
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314 | <primary sortas="e-/usr/share/systemd">/usr/share/systemd</primary> |
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315 | </indexterm> |
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316 | </listitem> |
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317 | </varlistentry> |
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318 | |
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319 | </variablelist> |
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320 | |
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321 | </sect2> |
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322 | |
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323 | </sect1> |
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