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 209 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="s1">Prevent the <filename>Makefile</filename> from trying to run |
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36 | <command>setcap</command> on <command>systemd-detect-virt</command>, |
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37 | which will fail if the kernel or file system does not support extended |
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38 | capabilities:</para> |
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39 | |
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40 | <screen os="s2"><userinput>sed -i '/virt-install-hook /d' Makefile.in</userinput></screen> |
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41 | |
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42 | <para os="s3">The <filename>timesyncd.conf</filename> file contains a |
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43 | reference to a non-existent <filename>timesyncd.conf(5)</filename> man |
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44 | page. Remove that reference to avoid possible confusion:</para> |
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45 | |
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46 | <screen os="s4"><userinput>sed -i '/timesyncd.conf/d' src/timesync/timesyncd.conf.in</userinput></screen> |
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47 | |
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48 | <para os="s5">By default, <command>systemd-fsck</command> will run |
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49 | <filename>/sbin/fsck</filename> with the <option>-l</option> option, which |
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50 | applies an <function>flock</function> on the file system being checked. |
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51 | This can conflict with an <function>flock</function> that |
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52 | systemd itself puts on the file system, which could result in problems |
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53 | booting. <command>fsck</command> will be fixed to avoid this problem in a |
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54 | future release of Util-linux, but for now we will work around the issue by |
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55 | simply preventing <command>systemd-fsck</command> from using <option>-l</option>:</para> |
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56 | |
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57 | <screen os="s6"><userinput>sed -i '/-l/d' src/fsck/fsck.c</userinput></screen> |
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58 | |
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59 | <para os="a">Prepare systemd for compilation:</para> |
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60 | |
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61 | <screen os="b"><userinput>./configure --prefix=/usr \ |
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62 | --sysconfdir=/etc --localstatedir=/var \ |
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63 | --libexecdir=/usr/lib --docdir=/usr/share/doc/systemd-&systemd-version; \ |
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64 | --with-rootprefix="" --with-rootlibdir=/lib \ |
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65 | --enable-split-usr --disable-gudev --with-kbd-loadkeys=/bin/loadkeys \ |
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66 | --with-kbd-setfont=/bin/setfont --with-dbuspolicydir=/etc/dbus-1/system.d \ |
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67 | --with-dbusinterfacedir=/usr/share/dbus-1/interfaces \ |
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68 | --with-dbussessionservicedir=/usr/share/dbus-1/services \ |
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69 | --with-dbussystemservicedir=/usr/share/dbus-1/system-services \ |
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70 | cc_cv_CFLAGS__flto=no</userinput></screen> |
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71 | |
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72 | <variablelist os="c"> |
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73 | <title>The meaning of the configure options:</title> |
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74 | |
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75 | <varlistentry> |
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76 | <term><parameter>--with-root*</parameter></term> |
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77 | <listitem> |
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78 | <para>These switches ensure that core programs and |
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79 | shared libraries are installed in the subdirectories |
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80 | of the root partition.</para> |
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81 | </listitem> |
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82 | </varlistentry> |
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83 | |
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84 | <varlistentry> |
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85 | <term><parameter>--enable-split-usr</parameter></term> |
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86 | <listitem> |
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87 | <para>This switch ensures that systemd will work on |
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88 | systems where /bin, /lib and /sbin directories are not |
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89 | symlinks to their /usr counterparts.</para> |
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90 | </listitem> |
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91 | </varlistentry> |
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92 | |
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93 | <varlistentry> |
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94 | <term><parameter>--disable-gudev</parameter></term> |
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95 | <listitem> |
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96 | <para>This switch prevents systemd from building |
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97 | <filename class="libraryfile">libgudev</filename> as it requires |
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98 | Glib, which is not installed in CLFS.</para> |
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99 | </listitem> |
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100 | </varlistentry> |
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101 | |
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102 | <varlistentry> |
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103 | <term><parameter>--with-dbus*</parameter></term> |
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104 | <listitem> |
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105 | <para>These switches ensure that D-Bus configuration files get |
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106 | installed to the correct locations.</para> |
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107 | </listitem> |
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108 | </varlistentry> |
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109 | |
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110 | <varlistentry> |
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111 | <term><parameter>cc_cv_CFLAGS__flto=no</parameter></term> |
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112 | <listitem> |
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113 | <para>This prevents the build system from using GCC's Link-time |
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114 | optimization (LTO), to ensure that systemd's binaries will not try |
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115 | to link to <filename class="libraryfile">libgcc_s</filename>.</para> |
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116 | </listitem> |
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117 | </varlistentry> |
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118 | |
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119 | </variablelist> |
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120 | |
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121 | <para os="d">Compile the package:</para> |
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122 | |
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123 | <screen os="e"><userinput>make</userinput></screen> |
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124 | |
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125 | <para os="f">Prevent a broken test case from running:</para> |
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126 | |
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127 | <screen os="g"><userinput remap="test">sed -e "s:test/udev-test.pl::g" \ |
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128 | -e "s:test-bus-cleanup\$(EXEEXT) ::g" \ |
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129 | -e "s:test-bus-gvariant\$(EXEEXT) ::g" \ |
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130 | -i Makefile</userinput></screen> |
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131 | |
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132 | <para os="h">To test the results, issue:</para> |
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133 | |
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134 | <screen os="i"><userinput remap="test">make check</userinput></screen> |
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135 | |
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136 | <para os="j">Install the package:</para> |
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137 | |
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138 | <screen os="k"><userinput>make install</userinput></screen> |
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139 | |
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140 | <para os="l">Install documentation files that are not installed by default:</para> |
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141 | |
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142 | <screen os="m"><userinput>install -v -m644 man/*.html /usr/share/doc/systemd-&systemd-version;</userinput></screen> |
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143 | |
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144 | <para os="n">Move the |
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145 | <filename class="libraryfile">nss_myhostname</filename> library to |
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146 | <filename class="directory">/lib</filename>:</para> |
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147 | |
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148 | <screen os="o"><userinput>mv -v /usr/lib/libnss_myhostname.so.2 /lib</userinput></screen> |
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149 | |
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150 | <para os="p">Remove an unnecessary directory:</para> |
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151 | |
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152 | <screen os="q"><userinput>rm -rfv /usr/lib/rpm</userinput></screen> |
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153 | |
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154 | <para os="r">Create symlinks for backwards-compatibility with Sysvinit:</para> |
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155 | |
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156 | <screen os="s"><userinput>for tool in runlevel reboot shutdown poweroff halt telinit; do |
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157 | ln -sfv ../bin/systemctl /sbin/$tool |
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158 | done |
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159 | ln -sfv ../lib/systemd/systemd /sbin/init</userinput></screen> |
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160 | |
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161 | <para os="t">Modify a configuration file which references a group that |
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162 | doesn't exist:</para> |
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163 | |
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164 | <screen os="u"><userinput>sed -i "s@root lock@root root@g" /usr/lib/tmpfiles.d/legacy.conf</userinput></screen> |
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165 | |
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166 | </sect2> |
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167 | |
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168 | <sect2 id="conf-systemd" role="configuration"> |
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169 | <title>Configuring Systemd</title> |
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170 | |
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171 | <indexterm zone="conf-systemd"> |
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172 | <primary sortas="a-systemd">systemd</primary> |
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173 | <secondary>configuring</secondary></indexterm> |
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174 | |
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175 | <indexterm zone="conf-systemd"> |
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176 | <primary sortas="e-/etc/os-release">/etc/os-release</primary> |
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177 | </indexterm> |
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178 | |
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179 | <para>Create <filename>/etc/machine-id</filename> which is needed |
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180 | by Journald:</para> |
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181 | |
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182 | <screen><userinput>systemd-machine-id-setup</userinput></screen> |
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183 | |
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184 | <para>Create a file to identify the operating system. |
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185 | <command>systemd</command> will use this file on boot to put information |
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186 | on the screen.</para> |
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187 | |
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188 | <screen><userinput>cat > /etc/os-release << "EOF" |
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189 | # Begin /etc/os-release |
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190 | |
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191 | NAME=Cross-LFS |
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192 | ID=clfs |
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193 | |
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194 | PRETTY_NAME=Cross Linux From Scratch |
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195 | ANSI_COLOR=0;33 |
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196 | |
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197 | VERSION=&version; |
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198 | VERSION_ID=&versionid; |
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199 | |
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200 | # End /etc/os-release |
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201 | EOF</userinput></screen> |
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202 | |
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203 | </sect2> |
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204 | |
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205 | <sect2 id="contents-systemd" role="content"> |
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206 | <title>Contents of Systemd</title> |
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207 | |
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208 | <segmentedlist> |
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209 | <segtitle>Installed programs</segtitle> |
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210 | <segtitle>Installed libraries</segtitle> |
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211 | <segtitle>Installed directories</segtitle> |
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212 | |
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213 | <seglistitem> |
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214 | <seg>bootctl, busctl, halt (link to systemctl), hostnamectl, |
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215 | init (link to systemd), journalctl, kernel-install, localectl, loginctl, |
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216 | machinectl, poweroff (link to systemctl), reboot (link to systemctl), |
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217 | runlevel (link to systemctl), shutdown (link to systemctl), |
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218 | systemctl, systemd, system-analyze, systemd-ask-password, systemd-cat, |
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219 | systemd-cgls, systemd-cgtop, systemd-coredumpctl, systemd-delta, |
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220 | systemd-detect-virt, systemd-inhibit, systemd-machine-id-setup, |
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221 | systemd-notify, systemd-nspawn, systemd-run, systemd-stdio-bridge |
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222 | (link to systemd-bus-proxyd), systemd-tmpfiles, |
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223 | systemd-tty-ask-password-agent, telinit (link to systemctl), |
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224 | timedatectl, udevadm</seg> |
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225 | <seg>libnss_myhostname.so, libsystemd.so, libudev.so</seg> |
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226 | <seg>/etc/binfmt.d, /etc/init.d, /etc/kernel, /etc/modules-load.d, |
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227 | /etc/sysctl.d, /etc/systemd, /etc/tmpfiles.d, /etc/udev, |
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228 | /etc/xdg/systemd, /lib/systemd, /lib/udev, /usr/include/systemd, |
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229 | /usr/lib/binfmt.d, /usr/lib/kernel, /usr/lib/modules-load.d, |
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230 | /usr/lib/sysctl.d, /usr/lib/systemd, |
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231 | /usr/share/doc-systemd-&systemd-version;, /usr/share/systemd, |
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232 | /usr/share/zsh, /var/lib/systemd</seg> |
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233 | </seglistitem> |
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234 | </segmentedlist> |
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235 | |
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236 | <variablelist> |
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237 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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238 | <?dbfo list-presentation="list"?> |
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239 | <?dbhtml list-presentation="table"?> |
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240 | |
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241 | <varlistentry id="bootctl"> |
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242 | <term><command>bootctl</command></term> |
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243 | <listitem> |
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244 | <para>Controls the firmware and boot manager settings</para> |
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245 | <indexterm zone="ch-system-systemd bootctl"> |
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246 | <primary sortas="b-bootctl">bootctl</primary> |
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247 | </indexterm> |
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248 | </listitem> |
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249 | </varlistentry> |
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250 | |
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251 | <varlistentry id="busctl"> |
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252 | <term><command>busctl</command></term> |
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253 | <listitem> |
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254 | <para>Introspects and monitors the D-Bus bus</para> |
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255 | <indexterm zone="ch-system-systemd busctl"> |
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256 | <primary sortas="b-busctl">busctl</primary> |
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257 | </indexterm> |
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258 | </listitem> |
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259 | </varlistentry> |
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260 | |
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261 | <varlistentry id="halt"> |
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262 | <term><command>halt</command></term> |
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263 | <listitem> |
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264 | <para>Halts, powers off, or reboots the machine</para> |
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265 | <indexterm zone="ch-system-systemd halt"> |
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266 | <primary sortas="b-halt">halt</primary> |
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267 | </indexterm> |
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268 | </listitem> |
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269 | </varlistentry> |
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270 | |
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271 | <varlistentry id="hostnamectl"> |
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272 | <term><command>hostnamectl</command></term> |
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273 | <listitem> |
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274 | <para>Controls the system hostname</para> |
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275 | <indexterm zone="ch-system-systemd hostnamectl"> |
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276 | <primary sortas="b-hostnamectl">hostnamectl</primary> |
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277 | </indexterm> |
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278 | </listitem> |
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279 | </varlistentry> |
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280 | |
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281 | <varlistentry id="init"> |
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282 | <term><command>init</command></term> |
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283 | <listitem> |
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284 | <para>systemd system and service manager</para> |
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285 | <indexterm zone="ch-system-systemd init"> |
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286 | <primary sortas="b-init">init</primary> |
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287 | </indexterm> |
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288 | </listitem> |
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289 | </varlistentry> |
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290 | |
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291 | <varlistentry id="journalctl"> |
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292 | <term><command>journalctl</command></term> |
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293 | <listitem> |
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294 | <para>Queries the systemd journal</para> |
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295 | <indexterm zone="ch-system-systemd journalctl"> |
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296 | <primary sortas="b-journalctl">journalctl</primary> |
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297 | </indexterm> |
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298 | </listitem> |
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299 | </varlistentry> |
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300 | |
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301 | <varlistentry id="kernel-install"> |
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302 | <term><command>kernel-install</command></term> |
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303 | <listitem> |
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304 | <para>Adds and removes kernel and initramfs images to and from |
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305 | <filename class="directory">/boot</filename></para> |
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306 | <indexterm zone="ch-system-systemd kernel-install"> |
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307 | <primary sortas="b-kernel-install">kernel-install</primary> |
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308 | </indexterm> |
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309 | </listitem> |
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310 | </varlistentry> |
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311 | |
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312 | <varlistentry id="localectl"> |
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313 | <term><command>localectl</command></term> |
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314 | <listitem> |
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315 | <para>Controls the system locale and keyboard layout settings</para> |
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316 | <indexterm zone="ch-system-systemd localectl"> |
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317 | <primary sortas="b-localectl">localectl</primary> |
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318 | </indexterm> |
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319 | </listitem> |
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320 | </varlistentry> |
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321 | |
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322 | <varlistentry id="loginctl"> |
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323 | <term><command>loginctl</command></term> |
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324 | <listitem> |
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325 | <para>Controls the systemd login manager</para> |
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326 | <indexterm zone="ch-system-systemd loginctl"> |
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327 | <primary sortas="b-loginctl">loginctl</primary> |
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328 | </indexterm> |
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329 | </listitem> |
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330 | </varlistentry> |
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331 | |
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332 | <varlistentry id="machinectl"> |
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333 | <term><command>machinectl</command></term> |
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334 | <listitem> |
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335 | <para>Controls the systemd machine manager</para> |
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336 | <indexterm zone="ch-system-systemd machinectl"> |
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337 | <primary sortas="b-machinectl">machinectl</primary> |
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338 | </indexterm> |
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339 | </listitem> |
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340 | </varlistentry> |
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341 | |
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342 | <varlistentry id="poweroff"> |
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343 | <term><command>poweroff</command></term> |
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344 | <listitem> |
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345 | <para>Halts, powers off, or reboots the machine</para> |
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346 | <indexterm zone="ch-system-systemd poweroff"> |
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347 | <primary sortas="b-poweroff">poweroff</primary> |
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348 | </indexterm> |
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349 | </listitem> |
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350 | </varlistentry> |
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351 | |
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352 | <varlistentry id="reboot"> |
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353 | <term><command>reboot</command></term> |
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354 | <listitem> |
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355 | <para>Halts, powers off, or reboots the machine</para> |
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356 | <indexterm zone="ch-system-systemd reboot"> |
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357 | <primary sortas="b-reboot">reboot</primary> |
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358 | </indexterm> |
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359 | </listitem> |
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360 | </varlistentry> |
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361 | |
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362 | <varlistentry id="runlevel"> |
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363 | <term><command>runlevel</command></term> |
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364 | <listitem> |
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365 | <para>Prints previous and current SysV runlevel</para> |
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366 | <indexterm zone="ch-system-systemd runlevel"> |
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367 | <primary sortas="b-runlevel">runlevel</primary> |
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368 | </indexterm> |
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369 | </listitem> |
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370 | </varlistentry> |
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371 | |
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372 | <varlistentry id="shutdown"> |
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373 | <term><command>shutdown</command></term> |
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374 | <listitem> |
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375 | <para>Halts, powers off, or reboots the machine</para> |
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376 | <indexterm zone="ch-system-systemd shutdown"> |
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377 | <primary sortas="b-shutdown">shutdown</primary> |
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378 | </indexterm> |
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379 | </listitem> |
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380 | </varlistentry> |
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381 | |
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382 | <varlistentry id="systemctl"> |
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383 | <term><command>systemctl</command></term> |
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384 | <listitem> |
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385 | <para>Control the systemd system and service manager</para> |
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386 | <indexterm zone="ch-system-systemd systemctl"> |
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387 | <primary sortas="b-systemctl">systemctl</primary> |
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388 | </indexterm> |
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389 | </listitem> |
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390 | </varlistentry> |
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391 | |
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392 | <varlistentry id="systemd"> |
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393 | <term><command>systemd</command></term> |
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394 | <listitem> |
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395 | <para>System and service manager for Linux</para> |
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396 | <indexterm zone="ch-system-systemd systemd"> |
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397 | <primary sortas="b-systemd">systemd</primary> |
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398 | </indexterm> |
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399 | </listitem> |
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400 | </varlistentry> |
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401 | |
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402 | <varlistentry id="systemd-analyze"> |
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403 | <term><command>systemd-analyze</command></term> |
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404 | <listitem> |
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405 | <para>Analyzes system boot-up permformance</para> |
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406 | <indexterm zone="ch-system-systemd systemd-analyze"> |
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407 | <primary sortas="b-systemd-analyze">systemd-analyze</primary> |
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408 | </indexterm> |
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409 | </listitem> |
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410 | </varlistentry> |
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411 | |
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412 | <varlistentry id="systemd-ask-password"> |
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413 | <term><command>systemd-ask-password</command></term> |
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414 | <listitem> |
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415 | <para>Queries the user for a system passphrase, via the |
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416 | TTY or an UI agent.</para> |
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417 | <indexterm zone="ch-system-systemd systemd-ask-password"> |
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418 | <primary sortas="b-systemd-ask-password">systemd-ask-password</primary> |
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419 | </indexterm> |
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420 | </listitem> |
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421 | </varlistentry> |
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422 | |
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423 | <varlistentry id="systemd-cat"> |
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424 | <term><command>systemd-cat</command></term> |
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425 | <listitem> |
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426 | <para>Connects a pipeline or program's output with the journal</para> |
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427 | <indexterm zone="ch-system-systemd systemd-cat"> |
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428 | <primary sortas="b-systemd-cat">systemd-cat</primary> |
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429 | </indexterm> |
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430 | </listitem> |
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431 | </varlistentry> |
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432 | |
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433 | <varlistentry id="systemd-cgls"> |
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434 | <term><command>systemd-cgls</command></term> |
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435 | <listitem> |
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436 | <para>Recursively shows control group contents</para> |
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437 | <indexterm zone="ch-system-systemd systemd-cgls"> |
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438 | <primary sortas="b-systemd-cgls">systemd-cgls</primary> |
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439 | </indexterm> |
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440 | </listitem> |
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441 | </varlistentry> |
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442 | |
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443 | <varlistentry id="systemd-cgtop"> |
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444 | <term><command>systemd-cgtop</command></term> |
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445 | <listitem> |
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446 | <para>Shows top control groups by resource usage</para> |
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447 | <indexterm zone="ch-system-systemd systemd-cgtop"> |
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448 | <primary sortas="b-systemd-cgtop">systemd-cgtop</primary> |
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449 | </indexterm> |
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450 | </listitem> |
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451 | </varlistentry> |
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452 | |
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453 | <varlistentry id="systemd-coredumpctl"> |
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454 | <term><command>systemd-coredumpctl</command></term> |
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455 | <listitem> |
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456 | <para>Retrieves coredumps from the journal</para> |
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457 | <indexterm zone="ch-system-systemd systemd-coredumpctl"> |
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458 | <primary sortas="b-systemd-coredumpctl">systemd-coredumpctl</primary> |
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459 | </indexterm> |
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460 | </listitem> |
---|
461 | </varlistentry> |
---|
462 | |
---|
463 | <varlistentry id="systemd-delta"> |
---|
464 | <term><command>systemd-delta</command></term> |
---|
465 | <listitem> |
---|
466 | <para>Finds overridden configuration files</para> |
---|
467 | <indexterm zone="ch-system-systemd systemd-delta"> |
---|
468 | <primary sortas="b-systemd-delta">systemd-delta</primary> |
---|
469 | </indexterm> |
---|
470 | </listitem> |
---|
471 | </varlistentry> |
---|
472 | |
---|
473 | <varlistentry id="systemd-detect-virt"> |
---|
474 | <term><command>systemd-detect-virt</command></term> |
---|
475 | <listitem> |
---|
476 | <para>Detects execution in a virtual environment</para> |
---|
477 | <indexterm zone="ch-system-systemd systemd-detect-virt"> |
---|
478 | <primary sortas="b-systemd-detect-virt">systemd-detect-virt</primary> |
---|
479 | </indexterm> |
---|
480 | </listitem> |
---|
481 | </varlistentry> |
---|
482 | |
---|
483 | <varlistentry id="systemd-inhibit"> |
---|
484 | <term><command>systemd-inhibit</command></term> |
---|
485 | <listitem> |
---|
486 | <para>Executes a program with an inhibition lock taken</para> |
---|
487 | <indexterm zone="ch-system-systemd systemd-inhibit"> |
---|
488 | <primary sortas="b-systemd-inhibit">systemd-inhibit</primary> |
---|
489 | </indexterm> |
---|
490 | </listitem> |
---|
491 | </varlistentry> |
---|
492 | |
---|
493 | <varlistentry id="systemd-machine-id-setup"> |
---|
494 | <term><command>systemd-machine-id-setup</command></term> |
---|
495 | <listitem> |
---|
496 | <para>Initializes the machine ID in |
---|
497 | <filename>/etc/machine-id</filename></para> |
---|
498 | <indexterm zone="ch-system-systemd systemd-machine-id-setup"> |
---|
499 | <primary sortas="b-systemd-machine-id-setup">systemd-machine-id-setup</primary> |
---|
500 | </indexterm> |
---|
501 | </listitem> |
---|
502 | </varlistentry> |
---|
503 | |
---|
504 | <varlistentry id="systemd-notify"> |
---|
505 | <term><command>systemd-notify</command></term> |
---|
506 | <listitem> |
---|
507 | <para>Notifies init system about start-up completion and other daemon |
---|
508 | status changes</para> |
---|
509 | <indexterm zone="ch-system-systemd systemd-notify"> |
---|
510 | <primary sortas="b-systemd-notify">systemd-notify</primary> |
---|
511 | </indexterm> |
---|
512 | </listitem> |
---|
513 | </varlistentry> |
---|
514 | |
---|
515 | <varlistentry id="systemd-nspawn"> |
---|
516 | <term><command>systemd-nspawn</command></term> |
---|
517 | <listitem> |
---|
518 | <para>Spawns a namespace container for debugging, testing, and |
---|
519 | building</para> |
---|
520 | <indexterm zone="ch-system-systemd systemd-nspawn"> |
---|
521 | <primary sortas="b-systemd-nspawn">systemd-nspawn</primary> |
---|
522 | </indexterm> |
---|
523 | </listitem> |
---|
524 | </varlistentry> |
---|
525 | |
---|
526 | <varlistentry id="systemd-run"> |
---|
527 | <term><command>systemd-run</command></term> |
---|
528 | <listitem> |
---|
529 | <para>Runs programs in transient scope or service units</para> |
---|
530 | <indexterm zone="ch-system-systemd systemd-run"> |
---|
531 | <primary sortas="b-systemd-run">systemd-run</primary> |
---|
532 | </indexterm> |
---|
533 | </listitem> |
---|
534 | </varlistentry> |
---|
535 | |
---|
536 | <varlistentry id="systemd-stdio-bridge"> |
---|
537 | <term><command>systemd-stdio-bridge</command></term> |
---|
538 | <listitem> |
---|
539 | <para>Connects stdio or a socket to a given bus address</para> |
---|
540 | <indexterm zone="ch-system-systemd systemd-stdio-bridge"> |
---|
541 | <primary sortas="b-systemd-stdio-bridge">systemd-stdio-bridge</primary> |
---|
542 | </indexterm> |
---|
543 | </listitem> |
---|
544 | </varlistentry> |
---|
545 | |
---|
546 | <varlistentry id="systemd-tmpfiles"> |
---|
547 | <term><command>systemd-tmpfiles</command></term> |
---|
548 | <listitem> |
---|
549 | <para>Creates, deletes, and cleans up volatile and temporary files</para> |
---|
550 | <indexterm zone="ch-system-systemd systemd-tmpfiles"> |
---|
551 | <primary sortas="b-systemd-tmpfiles">systemd-tmpfiles</primary> |
---|
552 | </indexterm> |
---|
553 | </listitem> |
---|
554 | </varlistentry> |
---|
555 | |
---|
556 | <varlistentry id="systemd-tty-ask-password-agent"> |
---|
557 | <term><command>systemd-tty-ask-password-agent</command></term> |
---|
558 | <listitem> |
---|
559 | <para>Process system password requests</para> |
---|
560 | <indexterm zone="ch-system-systemd systemd-tty-ask-password-agent"> |
---|
561 | <primary sortas="b-systemd-tty-ask-password-agent">systemd-tty-ask-password-agent</primary> |
---|
562 | </indexterm> |
---|
563 | </listitem> |
---|
564 | </varlistentry> |
---|
565 | |
---|
566 | <varlistentry id="telinit"> |
---|
567 | <term><command>telinit</command></term> |
---|
568 | <listitem> |
---|
569 | <para>Tells <command>init</command> which run-level to change to</para> |
---|
570 | <indexterm zone="ch-system-systemd telinit"> |
---|
571 | <primary sortas="b-telinit">telinit</primary> |
---|
572 | </indexterm> |
---|
573 | </listitem> |
---|
574 | </varlistentry> |
---|
575 | |
---|
576 | <varlistentry id="timedatectl"> |
---|
577 | <term><command>timedatectl</command></term> |
---|
578 | <listitem> |
---|
579 | <para>Controls the system time and date</para> |
---|
580 | <indexterm zone="ch-system-systemd timedatectl"> |
---|
581 | <primary sortas="b-timedatectl">timedatectl</primary> |
---|
582 | </indexterm> |
---|
583 | </listitem> |
---|
584 | </varlistentry> |
---|
585 | |
---|
586 | <varlistentry id="udevadm"> |
---|
587 | <term><command>udevadm</command></term> |
---|
588 | <listitem> |
---|
589 | <para>Udev management tool</para> |
---|
590 | <indexterm zone="ch-system-systemd udevadm"> |
---|
591 | <primary sortas="b-udevadm">udevadm</primary> |
---|
592 | </indexterm> |
---|
593 | </listitem> |
---|
594 | </varlistentry> |
---|
595 | |
---|
596 | <varlistentry id="libnss_myhostname"> |
---|
597 | <term><filename class="libraryfile">libnss_myhostname</filename></term> |
---|
598 | <listitem> |
---|
599 | <para>Plugin for the GNU Name Service Switch (NSS) functionality |
---|
600 | of Glibc, provding hostname resolution for the locally configured |
---|
601 | system hostname</para> |
---|
602 | <indexterm zone="ch-system-systemd libnss_myhostname"> |
---|
603 | <primary sortas="c-libnss_myhostname">libnss_myhostname</primary> |
---|
604 | </indexterm> |
---|
605 | </listitem> |
---|
606 | </varlistentry> |
---|
607 | |
---|
608 | <varlistentry id="libsystemd"> |
---|
609 | <term><filename class="libraryfile">libsystemd</filename></term> |
---|
610 | <listitem> |
---|
611 | <para>Support library for systemd</para> |
---|
612 | <indexterm zone="ch-system-systemd libsystemd"> |
---|
613 | <primary sortas="c-libsystemd">libsystemd</primary> |
---|
614 | </indexterm> |
---|
615 | </listitem> |
---|
616 | </varlistentry> |
---|
617 | |
---|
618 | <varlistentry id="libudev"> |
---|
619 | <term><filename class="libraryfile">libudev</filename></term> |
---|
620 | <listitem> |
---|
621 | <para>A library interface to Udev device information.</para> |
---|
622 | <indexterm zone="ch-system-systemd libudev"> |
---|
623 | <primary sortas="c-libudev">libudev</primary> |
---|
624 | </indexterm> |
---|
625 | </listitem> |
---|
626 | </varlistentry> |
---|
627 | |
---|
628 | </variablelist> |
---|
629 | |
---|
630 | </sect2> |
---|
631 | |
---|
632 | </sect1> |
---|