[d89bf75] | 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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[24213983] | 10 | <title>Systemd-&systemd-version;</title> |
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[d89bf75] | 11 | |
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| 12 | <indexterm zone="ch-system-systemd"> |
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[27256f7] | 13 | <primary sortas="a-systemd">Systemd</primary> |
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[d89bf75] | 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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[0131d1b] | 19 | <para>The systemd package is a system and service manager for Linux |
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[d89bf75] | 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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[0131d1b] | 25 | <title>Installation of Systemd</title> |
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[d89bf75] | 26 | |
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[7db0c2e] | 27 | <para os="p1">Systemd 209 merged several libraries into |
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[ca5d69d] | 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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[49da1d5] | 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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[62afd55] | 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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[ff6229f] | 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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[62afd55] | 46 | <screen os="s4"><userinput>sed -i '/timesyncd.conf/d' src/timesync/timesyncd.conf.in</userinput></screen> |
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[ff6229f] | 47 | |
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[b27af42] | 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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[0131d1b] | 59 | <para os="a">Prepare systemd for compilation:</para> |
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[d89bf75] | 60 | |
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[7cd7f99] | 61 | <screen os="b"><userinput>./configure \ |
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| 62 | --prefix=/usr \ |
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| 63 | --sysconfdir=/etc \ |
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| 64 | --localstatedir=/var \ |
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| 65 | --libexecdir=/usr/lib \ |
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| 66 | --docdir=/usr/share/doc/systemd-&systemd-version; \ |
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| 67 | --with-rootprefix="" \ |
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| 68 | --with-rootlibdir=/lib \ |
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| 69 | --enable-split-usr \ |
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| 70 | --disable-gudev \ |
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| 71 | --with-kbd-loadkeys=/bin/loadkeys \ |
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| 72 | --with-kbd-setfont=/bin/setfont \ |
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| 73 | --with-dbuspolicydir=/etc/dbus-1/system.d \ |
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[49da1d5] | 74 | --with-dbusinterfacedir=/usr/share/dbus-1/interfaces \ |
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| 75 | --with-dbussessionservicedir=/usr/share/dbus-1/services \ |
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[09e511ce] | 76 | --with-dbussystemservicedir=/usr/share/dbus-1/system-services \ |
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| 77 | cc_cv_CFLAGS__flto=no</userinput></screen> |
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[d89bf75] | 78 | |
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[0b3451f] | 79 | <variablelist os="c"> |
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| 80 | <title>The meaning of the configure options:</title> |
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[d89bf75] | 81 | |
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[0b3451f] | 82 | <varlistentry> |
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| 83 | <term><parameter>--with-root*</parameter></term> |
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| 84 | <listitem> |
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| 85 | <para>These switches ensure that core programs and |
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| 86 | shared libraries are installed in the subdirectories |
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| 87 | of the root partition.</para> |
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| 88 | </listitem> |
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| 89 | </varlistentry> |
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[d89bf75] | 90 | |
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[0b3451f] | 91 | <varlistentry> |
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| 92 | <term><parameter>--enable-split-usr</parameter></term> |
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| 93 | <listitem> |
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[0131d1b] | 94 | <para>This switch ensures that systemd will work on |
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[0b3451f] | 95 | systems where /bin, /lib and /sbin directories are not |
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| 96 | symlinks to their /usr counterparts.</para> |
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| 97 | </listitem> |
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| 98 | </varlistentry> |
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[d89bf75] | 99 | |
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[0b3451f] | 100 | <varlistentry> |
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[ec6e128] | 101 | <term><parameter>--disable-gudev</parameter></term> |
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[0b3451f] | 102 | <listitem> |
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[0131d1b] | 103 | <para>This switch prevents systemd from building |
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[ec6e128] | 104 | <filename class="libraryfile">libgudev</filename> as it requires |
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| 105 | Glib, which is not installed in CLFS.</para> |
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[0b3451f] | 106 | </listitem> |
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| 107 | </varlistentry> |
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[d89bf75] | 108 | |
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[49da1d5] | 109 | <varlistentry> |
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| 110 | <term><parameter>--with-dbus*</parameter></term> |
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| 111 | <listitem> |
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| 112 | <para>These switches ensure that D-Bus configuration files get |
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| 113 | installed to the correct locations.</para> |
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| 114 | </listitem> |
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| 115 | </varlistentry> |
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[09e511ce] | 116 | |
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| 117 | <varlistentry> |
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| 118 | <term><parameter>cc_cv_CFLAGS__flto=no</parameter></term> |
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| 119 | <listitem> |
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| 120 | <para>This prevents the build system from using GCC's Link-time |
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| 121 | optimization (LTO), to ensure that systemd's binaries will not try |
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| 122 | to link to <filename class="libraryfile">libgcc_s</filename>.</para> |
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| 123 | </listitem> |
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| 124 | </varlistentry> |
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| 125 | |
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[0b3451f] | 126 | </variablelist> |
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| 127 | |
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| 128 | <para os="d">Compile the package:</para> |
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| 129 | |
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| 130 | <screen os="e"><userinput>make</userinput></screen> |
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| 131 | |
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| 132 | <para os="f">Prevent a broken test case from running:</para> |
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| 133 | |
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[0886dd9] | 134 | <screen os="g"><userinput remap="test">sed -e "s:test/udev-test.pl::g" \ |
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[49da1d5] | 135 | -e "s:test-bus-cleanup\$(EXEEXT) ::g" \ |
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| 136 | -e "s:test-bus-gvariant\$(EXEEXT) ::g" \ |
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| 137 | -i Makefile</userinput></screen> |
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[0b3451f] | 138 | |
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[e167dd9] | 139 | <para os="h">To test the results, issue:</para> |
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[0b3451f] | 140 | |
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| 141 | <screen os="i"><userinput remap="test">make check</userinput></screen> |
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| 142 | |
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| 143 | <para os="j">Install the package:</para> |
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| 144 | |
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| 145 | <screen os="k"><userinput>make install</userinput></screen> |
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| 146 | |
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[4547561] | 147 | <para os="l">Install documentation files that are not installed by default:</para> |
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[f66a6fc] | 148 | |
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[4547561] | 149 | <screen os="m"><userinput>install -v -m644 man/*.html /usr/share/doc/systemd-&systemd-version;</userinput></screen> |
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[f66a6fc] | 150 | |
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[edbe771] | 151 | <para os="n">Move the |
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| 152 | <filename class="libraryfile">nss_myhostname</filename> library to |
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| 153 | <filename class="directory">/lib</filename>:</para> |
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[0b3451f] | 154 | |
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| 155 | <screen os="o"><userinput>mv -v /usr/lib/libnss_myhostname.so.2 /lib</userinput></screen> |
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| 156 | |
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| 157 | <para os="p">Remove an unnecessary directory:</para> |
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| 158 | |
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| 159 | <screen os="q"><userinput>rm -rfv /usr/lib/rpm</userinput></screen> |
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| 160 | |
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| 161 | <para os="r">Create symlinks for backwards-compatibility with Sysvinit:</para> |
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[d150ded] | 162 | |
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[0b3451f] | 163 | <screen os="s"><userinput>for tool in runlevel reboot shutdown poweroff halt telinit; do |
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[d150ded] | 164 | ln -sfv ../bin/systemctl /sbin/$tool |
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| 165 | done |
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| 166 | ln -sfv ../lib/systemd/systemd /sbin/init</userinput></screen> |
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| 167 | |
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[0b3451f] | 168 | <para os="t">Modify a configuration file which references a group that |
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[d150ded] | 169 | doesn't exist:</para> |
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| 170 | |
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[0b3451f] | 171 | <screen os="u"><userinput>sed -i "s@root lock@root root@g" /usr/lib/tmpfiles.d/legacy.conf</userinput></screen> |
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[d150ded] | 172 | |
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[d89bf75] | 173 | </sect2> |
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| 174 | |
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| 175 | <sect2 id="conf-systemd" role="configuration"> |
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[24213983] | 176 | <title>Configuring Systemd</title> |
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[d89bf75] | 177 | |
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| 178 | <indexterm zone="conf-systemd"> |
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| 179 | <primary sortas="a-systemd">systemd</primary> |
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| 180 | <secondary>configuring</secondary></indexterm> |
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| 181 | |
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| 182 | <indexterm zone="conf-systemd"> |
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| 183 | <primary sortas="e-/etc/os-release">/etc/os-release</primary> |
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| 184 | </indexterm> |
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| 185 | |
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[d150ded] | 186 | <para>Create <filename>/etc/machine-id</filename> which is needed |
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| 187 | by Journald:</para> |
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| 188 | |
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| 189 | <screen><userinput>systemd-machine-id-setup</userinput></screen> |
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| 190 | |
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[d89bf75] | 191 | <para>Create a file to identify the operating system. |
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| 192 | <command>systemd</command> will use this file on boot to put information |
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| 193 | on the screen.</para> |
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| 194 | |
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| 195 | <screen><userinput>cat > /etc/os-release << "EOF" |
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| 196 | # Begin /etc/os-release |
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| 197 | |
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| 198 | NAME=Cross-LFS |
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| 199 | ID=clfs |
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| 200 | |
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| 201 | PRETTY_NAME=Cross Linux From Scratch |
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| 202 | ANSI_COLOR=0;33 |
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| 203 | |
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| 204 | VERSION=&version; |
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| 205 | VERSION_ID=&versionid; |
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| 206 | |
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| 207 | # End /etc/os-release |
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| 208 | EOF</userinput></screen> |
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| 209 | |
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| 210 | </sect2> |
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| 211 | |
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| 212 | <sect2 id="contents-systemd" role="content"> |
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[24213983] | 213 | <title>Contents of Systemd</title> |
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[d89bf75] | 214 | |
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| 215 | <segmentedlist> |
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| 216 | <segtitle>Installed programs</segtitle> |
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| 217 | <segtitle>Installed libraries</segtitle> |
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| 218 | <segtitle>Installed directories</segtitle> |
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| 219 | |
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| 220 | <seglistitem> |
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[c8a83d8] | 221 | <seg>bootctl, busctl, halt (link to systemctl), hostnamectl, |
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| 222 | init (link to systemd), journalctl, kernel-install, localectl, loginctl, |
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| 223 | machinectl, poweroff (link to systemctl), reboot (link to systemctl), |
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| 224 | runlevel (link to systemctl), shutdown (link to systemctl), |
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[4c2f1e7] | 225 | systemctl, systemd, system-analyze, systemd-ask-password, systemd-cat, |
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[c8a83d8] | 226 | systemd-cgls, systemd-cgtop, systemd-coredumpctl, systemd-delta, |
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| 227 | systemd-detect-virt, systemd-inhibit, systemd-machine-id-setup, |
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| 228 | systemd-notify, systemd-nspawn, systemd-run, systemd-stdio-bridge |
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| 229 | (link to systemd-bus-proxyd), systemd-tmpfiles, |
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| 230 | systemd-tty-ask-password-agent, telinit (link to systemctl), |
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| 231 | timedatectl, udevadm</seg> |
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| 232 | <seg>libnss_myhostname.so, libsystemd.so, libudev.so</seg> |
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| 233 | <seg>/etc/binfmt.d, /etc/init.d, /etc/kernel, /etc/modules-load.d, |
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| 234 | /etc/sysctl.d, /etc/systemd, /etc/tmpfiles.d, /etc/udev, |
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| 235 | /etc/xdg/systemd, /lib/systemd, /lib/udev, /usr/include/systemd, |
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| 236 | /usr/lib/binfmt.d, /usr/lib/kernel, /usr/lib/modules-load.d, |
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| 237 | /usr/lib/sysctl.d, /usr/lib/systemd, |
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| 238 | /usr/share/doc-systemd-&systemd-version;, /usr/share/systemd, |
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[0959d10] | 239 | /usr/share/zsh, /var/lib/systemd</seg> |
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[d89bf75] | 240 | </seglistitem> |
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| 241 | </segmentedlist> |
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| 242 | |
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| 243 | <variablelist> |
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| 244 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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| 245 | <?dbfo list-presentation="list"?> |
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| 246 | <?dbhtml list-presentation="table"?> |
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| 247 | |
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[f6e0d38] | 248 | <varlistentry id="bootctl"> |
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| 249 | <term><command>bootctl</command></term> |
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| 250 | <listitem> |
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| 251 | <para>Controls the firmware and boot manager settings</para> |
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| 252 | <indexterm zone="ch-system-systemd bootctl"> |
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| 253 | <primary sortas="b-bootctl">bootctl</primary> |
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| 254 | </indexterm> |
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| 255 | </listitem> |
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| 256 | </varlistentry> |
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| 257 | |
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| 258 | <varlistentry id="busctl"> |
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| 259 | <term><command>busctl</command></term> |
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| 260 | <listitem> |
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| 261 | <para>Introspects and monitors the D-Bus bus</para> |
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| 262 | <indexterm zone="ch-system-systemd busctl"> |
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| 263 | <primary sortas="b-busctl">busctl</primary> |
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| 264 | </indexterm> |
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| 265 | </listitem> |
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| 266 | </varlistentry> |
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| 267 | |
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| 268 | <varlistentry id="halt"> |
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| 269 | <term><command>halt</command></term> |
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| 270 | <listitem> |
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| 271 | <para>Halts, powers off, or reboots the machine</para> |
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| 272 | <indexterm zone="ch-system-systemd halt"> |
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| 273 | <primary sortas="b-halt">halt</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="hostnamectl"> |
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| 279 | <term><command>hostnamectl</command></term> |
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| 280 | <listitem> |
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| 281 | <para>Controls the system hostname</para> |
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| 282 | <indexterm zone="ch-system-systemd hostnamectl"> |
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| 283 | <primary sortas="b-hostnamectl">hostnamectl</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="init"> |
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| 289 | <term><command>init</command></term> |
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| 290 | <listitem> |
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| 291 | <para>systemd system and service manager</para> |
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| 292 | <indexterm zone="ch-system-systemd init"> |
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| 293 | <primary sortas="b-init">init</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="journalctl"> |
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| 299 | <term><command>journalctl</command></term> |
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| 300 | <listitem> |
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| 301 | <para>Queries the systemd journal</para> |
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| 302 | <indexterm zone="ch-system-systemd journalctl"> |
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| 303 | <primary sortas="b-journalctl">journalctl</primary> |
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| 304 | </indexterm> |
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| 305 | </listitem> |
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| 306 | </varlistentry> |
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| 307 | |
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| 308 | <varlistentry id="kernel-install"> |
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| 309 | <term><command>kernel-install</command></term> |
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| 310 | <listitem> |
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| 311 | <para>Adds and removes kernel and initramfs images to and from |
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| 312 | <filename class="directory">/boot</filename></para> |
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| 313 | <indexterm zone="ch-system-systemd kernel-install"> |
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| 314 | <primary sortas="b-kernel-install">kernel-install</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 | <varlistentry id="localectl"> |
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| 320 | <term><command>localectl</command></term> |
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| 321 | <listitem> |
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| 322 | <para>Controls the system locale and keyboard layout settings</para> |
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| 323 | <indexterm zone="ch-system-systemd localectl"> |
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| 324 | <primary sortas="b-localectl">localectl</primary> |
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| 325 | </indexterm> |
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| 326 | </listitem> |
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| 327 | </varlistentry> |
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| 328 | |
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| 329 | <varlistentry id="loginctl"> |
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| 330 | <term><command>loginctl</command></term> |
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| 331 | <listitem> |
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| 332 | <para>Controls the systemd login manager</para> |
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| 333 | <indexterm zone="ch-system-systemd loginctl"> |
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| 334 | <primary sortas="b-loginctl">loginctl</primary> |
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| 335 | </indexterm> |
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| 336 | </listitem> |
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| 337 | </varlistentry> |
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| 338 | |
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| 339 | <varlistentry id="machinectl"> |
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| 340 | <term><command>machinectl</command></term> |
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| 341 | <listitem> |
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| 342 | <para>Controls the systemd machine manager</para> |
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| 343 | <indexterm zone="ch-system-systemd machinectl"> |
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| 344 | <primary sortas="b-machinectl">machinectl</primary> |
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| 345 | </indexterm> |
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| 346 | </listitem> |
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| 347 | </varlistentry> |
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| 348 | |
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| 349 | <varlistentry id="poweroff"> |
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| 350 | <term><command>poweroff</command></term> |
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| 351 | <listitem> |
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| 352 | <para>Halts, powers off, or reboots the machine</para> |
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| 353 | <indexterm zone="ch-system-systemd poweroff"> |
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| 354 | <primary sortas="b-poweroff">poweroff</primary> |
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| 355 | </indexterm> |
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| 356 | </listitem> |
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| 357 | </varlistentry> |
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| 358 | |
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| 359 | <varlistentry id="reboot"> |
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| 360 | <term><command>reboot</command></term> |
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| 361 | <listitem> |
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| 362 | <para>Halts, powers off, or reboots the machine</para> |
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| 363 | <indexterm zone="ch-system-systemd reboot"> |
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| 364 | <primary sortas="b-reboot">reboot</primary> |
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| 365 | </indexterm> |
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| 366 | </listitem> |
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| 367 | </varlistentry> |
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| 368 | |
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| 369 | <varlistentry id="runlevel"> |
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| 370 | <term><command>runlevel</command></term> |
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| 371 | <listitem> |
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| 372 | <para>Prints previous and current SysV runlevel</para> |
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| 373 | <indexterm zone="ch-system-systemd runlevel"> |
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| 374 | <primary sortas="b-runlevel">runlevel</primary> |
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| 375 | </indexterm> |
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| 376 | </listitem> |
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| 377 | </varlistentry> |
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| 378 | |
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| 379 | <varlistentry id="shutdown"> |
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| 380 | <term><command>shutdown</command></term> |
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| 381 | <listitem> |
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| 382 | <para>Halts, powers off, or reboots the machine</para> |
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| 383 | <indexterm zone="ch-system-systemd shutdown"> |
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| 384 | <primary sortas="b-shutdown">shutdown</primary> |
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| 385 | </indexterm> |
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| 386 | </listitem> |
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| 387 | </varlistentry> |
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| 388 | |
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[d89bf75] | 389 | <varlistentry id="systemctl"> |
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| 390 | <term><command>systemctl</command></term> |
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| 391 | <listitem> |
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[0131d1b] | 392 | <para>Control the systemd system and service manager</para> |
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[d89bf75] | 393 | <indexterm zone="ch-system-systemd systemctl"> |
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| 394 | <primary sortas="b-systemctl">systemctl</primary> |
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| 395 | </indexterm> |
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| 396 | </listitem> |
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| 397 | </varlistentry> |
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| 398 | |
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| 399 | <varlistentry id="systemd"> |
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| 400 | <term><command>systemd</command></term> |
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| 401 | <listitem> |
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| 402 | <para>System and service manager for Linux</para> |
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| 403 | <indexterm zone="ch-system-systemd systemd"> |
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| 404 | <primary sortas="b-systemd">systemd</primary> |
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| 405 | </indexterm> |
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| 406 | </listitem> |
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| 407 | </varlistentry> |
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| 408 | |
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[f6e0d38] | 409 | <varlistentry id="systemd-analyze"> |
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| 410 | <term><command>systemd-analyze</command></term> |
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| 411 | <listitem> |
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| 412 | <para>Analyzes system boot-up permformance</para> |
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| 413 | <indexterm zone="ch-system-systemd systemd-analyze"> |
---|
| 414 | <primary sortas="b-systemd-analyze">systemd-analyze</primary> |
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| 415 | </indexterm> |
---|
| 416 | </listitem> |
---|
| 417 | </varlistentry> |
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| 418 | |
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[d89bf75] | 419 | <varlistentry id="systemd-ask-password"> |
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| 420 | <term><command>systemd-ask-password</command></term> |
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| 421 | <listitem> |
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| 422 | <para>Queries the user for a system passphrase, via the |
---|
| 423 | TTY or an UI agent.</para> |
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| 424 | <indexterm zone="ch-system-systemd systemd-ask-password"> |
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| 425 | <primary sortas="b-systemd-ask-password">systemd-ask-password</primary> |
---|
| 426 | </indexterm> |
---|
| 427 | </listitem> |
---|
| 428 | </varlistentry> |
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| 429 | |
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[f6e0d38] | 430 | <varlistentry id="systemd-cat"> |
---|
| 431 | <term><command>systemd-cat</command></term> |
---|
| 432 | <listitem> |
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| 433 | <para>Connects a pipeline or program's output with the journal</para> |
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| 434 | <indexterm zone="ch-system-systemd systemd-cat"> |
---|
| 435 | <primary sortas="b-systemd-cat">systemd-cat</primary> |
---|
| 436 | </indexterm> |
---|
| 437 | </listitem> |
---|
| 438 | </varlistentry> |
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| 439 | |
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[d89bf75] | 440 | <varlistentry id="systemd-cgls"> |
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| 441 | <term><command>systemd-cgls</command></term> |
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| 442 | <listitem> |
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| 443 | <para>Recursively shows control group contents</para> |
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| 444 | <indexterm zone="ch-system-systemd systemd-cgls"> |
---|
| 445 | <primary sortas="b-systemd-cgls">systemd-cgls</primary> |
---|
| 446 | </indexterm> |
---|
| 447 | </listitem> |
---|
| 448 | </varlistentry> |
---|
| 449 | |
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[4c2f1e7] | 450 | <varlistentry id="systemd-cgtop"> |
---|
| 451 | <term><command>systemd-cgtop</command></term> |
---|
| 452 | <listitem> |
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| 453 | <para>Shows top control groups by resource usage</para> |
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| 454 | <indexterm zone="ch-system-systemd systemd-cgtop"> |
---|
| 455 | <primary sortas="b-systemd-cgtop">systemd-cgtop</primary> |
---|
| 456 | </indexterm> |
---|
| 457 | </listitem> |
---|
| 458 | </varlistentry> |
---|
| 459 | |
---|
| 460 | <varlistentry id="systemd-coredumpctl"> |
---|
| 461 | <term><command>systemd-coredumpctl</command></term> |
---|
| 462 | <listitem> |
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| 463 | <para>Retrieves coredumps from the journal</para> |
---|
| 464 | <indexterm zone="ch-system-systemd systemd-coredumpctl"> |
---|
| 465 | <primary sortas="b-systemd-coredumpctl">systemd-coredumpctl</primary> |
---|
| 466 | </indexterm> |
---|
| 467 | </listitem> |
---|
| 468 | </varlistentry> |
---|
| 469 | |
---|
| 470 | <varlistentry id="systemd-delta"> |
---|
| 471 | <term><command>systemd-delta</command></term> |
---|
| 472 | <listitem> |
---|
| 473 | <para>Finds overridden configuration files</para> |
---|
| 474 | <indexterm zone="ch-system-systemd systemd-delta"> |
---|
| 475 | <primary sortas="b-systemd-delta">systemd-delta</primary> |
---|
| 476 | </indexterm> |
---|
| 477 | </listitem> |
---|
| 478 | </varlistentry> |
---|
| 479 | |
---|
| 480 | <varlistentry id="systemd-detect-virt"> |
---|
| 481 | <term><command>systemd-detect-virt</command></term> |
---|
| 482 | <listitem> |
---|
| 483 | <para>Detects execution in a virtual environment</para> |
---|
| 484 | <indexterm zone="ch-system-systemd systemd-detect-virt"> |
---|
| 485 | <primary sortas="b-systemd-detect-virt">systemd-detect-virt</primary> |
---|
| 486 | </indexterm> |
---|
| 487 | </listitem> |
---|
| 488 | </varlistentry> |
---|
| 489 | |
---|
| 490 | <varlistentry id="systemd-inhibit"> |
---|
| 491 | <term><command>systemd-inhibit</command></term> |
---|
| 492 | <listitem> |
---|
| 493 | <para>Executes a program with an inhibition lock taken</para> |
---|
| 494 | <indexterm zone="ch-system-systemd systemd-inhibit"> |
---|
| 495 | <primary sortas="b-systemd-inhibit">systemd-inhibit</primary> |
---|
| 496 | </indexterm> |
---|
| 497 | </listitem> |
---|
| 498 | </varlistentry> |
---|
| 499 | |
---|
| 500 | <varlistentry id="systemd-machine-id-setup"> |
---|
| 501 | <term><command>systemd-machine-id-setup</command></term> |
---|
| 502 | <listitem> |
---|
| 503 | <para>Initializes the machine ID in |
---|
| 504 | <filename>/etc/machine-id</filename></para> |
---|
| 505 | <indexterm zone="ch-system-systemd systemd-machine-id-setup"> |
---|
| 506 | <primary sortas="b-systemd-machine-id-setup">systemd-machine-id-setup</primary> |
---|
| 507 | </indexterm> |
---|
| 508 | </listitem> |
---|
| 509 | </varlistentry> |
---|
| 510 | |
---|
[d89bf75] | 511 | <varlistentry id="systemd-notify"> |
---|
| 512 | <term><command>systemd-notify</command></term> |
---|
| 513 | <listitem> |
---|
[4c2f1e7] | 514 | <para>Notifies init system about start-up completion and other daemon |
---|
[d89bf75] | 515 | status changes</para> |
---|
| 516 | <indexterm zone="ch-system-systemd systemd-notify"> |
---|
| 517 | <primary sortas="b-systemd-notify">systemd-notify</primary> |
---|
| 518 | </indexterm> |
---|
| 519 | </listitem> |
---|
| 520 | </varlistentry> |
---|
| 521 | |
---|
[4c2f1e7] | 522 | <varlistentry id="systemd-nspawn"> |
---|
| 523 | <term><command>systemd-nspawn</command></term> |
---|
| 524 | <listitem> |
---|
| 525 | <para>Spawns a namespace container for debugging, testing, and |
---|
| 526 | building</para> |
---|
| 527 | <indexterm zone="ch-system-systemd systemd-nspawn"> |
---|
| 528 | <primary sortas="b-systemd-nspawn">systemd-nspawn</primary> |
---|
| 529 | </indexterm> |
---|
| 530 | </listitem> |
---|
| 531 | </varlistentry> |
---|
| 532 | |
---|
| 533 | <varlistentry id="systemd-run"> |
---|
| 534 | <term><command>systemd-run</command></term> |
---|
| 535 | <listitem> |
---|
| 536 | <para>Runs programs in transient scope or service units</para> |
---|
| 537 | <indexterm zone="ch-system-systemd systemd-run"> |
---|
| 538 | <primary sortas="b-systemd-run">systemd-run</primary> |
---|
| 539 | </indexterm> |
---|
| 540 | </listitem> |
---|
| 541 | </varlistentry> |
---|
| 542 | |
---|
| 543 | <varlistentry id="systemd-stdio-bridge"> |
---|
| 544 | <term><command>systemd-stdio-bridge</command></term> |
---|
| 545 | <listitem> |
---|
| 546 | <para>Connects stdio or a socket to a given bus address</para> |
---|
| 547 | <indexterm zone="ch-system-systemd systemd-stdio-bridge"> |
---|
| 548 | <primary sortas="b-systemd-stdio-bridge">systemd-stdio-bridge</primary> |
---|
| 549 | </indexterm> |
---|
| 550 | </listitem> |
---|
| 551 | </varlistentry> |
---|
| 552 | |
---|
| 553 | <varlistentry id="systemd-tmpfiles"> |
---|
| 554 | <term><command>systemd-tmpfiles</command></term> |
---|
| 555 | <listitem> |
---|
| 556 | <para>Creates, deletes, and cleans up volatile and temporary files</para> |
---|
| 557 | <indexterm zone="ch-system-systemd systemd-tmpfiles"> |
---|
| 558 | <primary sortas="b-systemd-tmpfiles">systemd-tmpfiles</primary> |
---|
| 559 | </indexterm> |
---|
| 560 | </listitem> |
---|
| 561 | </varlistentry> |
---|
| 562 | |
---|
[d89bf75] | 563 | <varlistentry id="systemd-tty-ask-password-agent"> |
---|
| 564 | <term><command>systemd-tty-ask-password-agent</command></term> |
---|
| 565 | <listitem> |
---|
| 566 | <para>Process system password requests</para> |
---|
| 567 | <indexterm zone="ch-system-systemd systemd-tty-ask-password-agent"> |
---|
| 568 | <primary sortas="b-systemd-tty-ask-password-agent">systemd-tty-ask-password-agent</primary> |
---|
| 569 | </indexterm> |
---|
| 570 | </listitem> |
---|
| 571 | </varlistentry> |
---|
| 572 | |
---|
[f6e0d38] | 573 | <varlistentry id="telinit"> |
---|
| 574 | <term><command>telinit</command></term> |
---|
| 575 | <listitem> |
---|
| 576 | <para>Tells <command>init</command> which run-level to change to</para> |
---|
| 577 | <indexterm zone="ch-system-systemd telinit"> |
---|
| 578 | <primary sortas="b-telinit">telinit</primary> |
---|
| 579 | </indexterm> |
---|
| 580 | </listitem> |
---|
| 581 | </varlistentry> |
---|
| 582 | |
---|
[4c2f1e7] | 583 | <varlistentry id="timedatectl"> |
---|
| 584 | <term><command>timedatectl</command></term> |
---|
[d89bf75] | 585 | <listitem> |
---|
[4c2f1e7] | 586 | <para>Controls the system time and date</para> |
---|
| 587 | <indexterm zone="ch-system-systemd timedatectl"> |
---|
| 588 | <primary sortas="b-timedatectl">timedatectl</primary> |
---|
[d89bf75] | 589 | </indexterm> |
---|
| 590 | </listitem> |
---|
| 591 | </varlistentry> |
---|
| 592 | |
---|
[4c2f1e7] | 593 | <varlistentry id="udevadm"> |
---|
| 594 | <term><command>udevadm</command></term> |
---|
[d89bf75] | 595 | <listitem> |
---|
[4c2f1e7] | 596 | <para>Udev management tool</para> |
---|
| 597 | <indexterm zone="ch-system-systemd udevadm"> |
---|
| 598 | <primary sortas="b-udevadm">udevadm</primary> |
---|
[d89bf75] | 599 | </indexterm> |
---|
| 600 | </listitem> |
---|
| 601 | </varlistentry> |
---|
| 602 | |
---|
[4c2f1e7] | 603 | <varlistentry id="libnss_myhostname"> |
---|
| 604 | <term><filename class="libraryfile">libnss_myhostname</filename></term> |
---|
[d89bf75] | 605 | <listitem> |
---|
[4c2f1e7] | 606 | <para>Plugin for the GNU Name Service Switch (NSS) functionality |
---|
| 607 | of Glibc, provding hostname resolution for the locally configured |
---|
| 608 | system hostname</para> |
---|
| 609 | <indexterm zone="ch-system-systemd libnss_myhostname"> |
---|
| 610 | <primary sortas="c-libnss_myhostname">libnss_myhostname</primary> |
---|
[d89bf75] | 611 | </indexterm> |
---|
| 612 | </listitem> |
---|
| 613 | </varlistentry> |
---|
| 614 | |
---|
[4c2f1e7] | 615 | <varlistentry id="libsystemd"> |
---|
| 616 | <term><filename class="libraryfile">libsystemd</filename></term> |
---|
[d89bf75] | 617 | <listitem> |
---|
[4c2f1e7] | 618 | <para>Support library for systemd</para> |
---|
| 619 | <indexterm zone="ch-system-systemd libsystemd"> |
---|
| 620 | <primary sortas="c-libsystemd">libsystemd</primary> |
---|
[d89bf75] | 621 | </indexterm> |
---|
| 622 | </listitem> |
---|
| 623 | </varlistentry> |
---|
| 624 | |
---|
[4c2f1e7] | 625 | <varlistentry id="libudev"> |
---|
| 626 | <term><filename class="libraryfile">libudev</filename></term> |
---|
[d89bf75] | 627 | <listitem> |
---|
[4c2f1e7] | 628 | <para>A library interface to Udev device information.</para> |
---|
| 629 | <indexterm zone="ch-system-systemd libudev"> |
---|
| 630 | <primary sortas="c-libudev">libudev</primary> |
---|
[d89bf75] | 631 | </indexterm> |
---|
| 632 | </listitem> |
---|
| 633 | </varlistentry> |
---|
| 634 | |
---|
| 635 | </variablelist> |
---|
| 636 | |
---|
| 637 | </sect2> |
---|
| 638 | |
---|
| 639 | </sect1> |
---|