| 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 | |
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| 8 | <sect1 id="ch-scripts-boot-scripts" role="wrap"> |
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| 9 | <?dbhtml filename="boot-scripts.html"?> |
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| 10 | |
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| 11 | <title>Boot-scripts for CLFS &boot-scripts-clfs-version;</title> |
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| 12 | |
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| 13 | <indexterm zone="ch-scripts-boot-scripts"> |
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| 14 | <primary sortas="a-Boot-scripts">Boot-scripts</primary> |
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| 15 | </indexterm> |
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| 16 | |
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| 17 | <sect2 role="package"> |
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| 18 | <title/> |
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| 19 | |
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| 20 | <para>The Boot-scripts package contains a set of scripts to |
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| 21 | start/stop the CLFS system at bootup/shutdown.</para> |
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| 22 | |
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| 23 | </sect2> |
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| 24 | |
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| 25 | <sect2 role="installation"> |
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| 26 | <title>Installation of Boot-scripts</title> |
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| 27 | |
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| 28 | <para os="a">Install the package:</para> |
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| 29 | |
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| 30 | <screen os="b"><userinput>make DESTDIR=/tools install-boot-scripts</userinput></screen> |
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| 31 | |
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| 32 | <para os="c">The <command>setclock</command> script reads the time from the |
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| 33 | hardware clock, also known as the BIOS or the Complementary Metal Oxide |
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| 34 | Semiconductor (CMOS) clock. If the hardware clock is set to UTC, this |
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| 35 | script will convert the hardware clock's time to the local time using |
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| 36 | the <filename>/tools/etc/sysconfig/clock</filename> file (which tells the |
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| 37 | <command>hwclock</command> program which timezone the user is in). There |
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| 38 | is no way to detect whether or not the hardware clock is set to UTC, so |
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| 39 | this needs to be configured manually.</para> |
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| 40 | |
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| 41 | |
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| 42 | |
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| 43 | <para os="d">If you do not know whether or not the hardware clock is set to UTC, |
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| 44 | you can find out after you have booted the new machine by running the |
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| 45 | <userinput>hwclock --localtime --show</userinput> command, and if |
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| 46 | necessary editing the <filename>/tools/etc/sysconfig/clock</filename> file. |
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| 47 | The worst that will happen if you make a wrong guess here is that the |
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| 48 | time displayed will be wrong.</para> |
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| 49 | |
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| 50 | <para os="e">Change the value of the <envar>UTC</envar> variable below |
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| 51 | to a value of <option>0</option> (zero) if the hardware clock |
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| 52 | is <emphasis>not</emphasis> set to UTC time.</para> |
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| 53 | |
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| 54 | <screen os="f"><userinput>cat > /tools/etc/sysconfig/clock << "EOF" |
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| 55 | <literal># Begin /tools/etc/sysconfig/clock |
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| 56 | |
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| 57 | UTC=1 |
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| 58 | |
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| 59 | # End /tools/etc/sysconfig/clock</literal> |
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| 60 | EOF</userinput></screen> |
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| 61 | |
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| 62 | </sect2> |
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| 63 | |
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| 64 | <sect2 id="contents-boot-scripts" role="content"> |
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| 65 | <title>Contents of Boot-scripts</title> |
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| 66 | |
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| 67 | <segmentedlist> |
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| 68 | <segtitle>Installed scripts</segtitle> |
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| 69 | |
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| 70 | <seglistitem> |
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| 71 | <seg>checkfs, cleanfs, functions, halt, localnet, mountfs, mountkernfs, |
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| 72 | rc, reboot, sendsignals, setclock, swap, and udev.</seg> |
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| 73 | </seglistitem> |
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| 74 | </segmentedlist> |
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| 75 | |
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| 76 | <variablelist> |
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| 77 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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| 78 | <?dbfo list-presentation="list"?> |
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| 79 | <?dbhtml list-presentation="table"?> |
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| 80 | |
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| 81 | <varlistentry id="checkfs-boot-scripts"> |
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| 82 | <term><command>checkfs</command></term> |
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| 83 | <listitem> |
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| 84 | <para>Checks the integrity of the file systems before they are |
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| 85 | mounted (with the exception of journal and network based file |
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| 86 | systems)</para> |
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| 87 | <indexterm zone="ch-scripts-boot-scripts checkfs-boot-scripts"> |
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| 88 | <primary sortas="d-checkfs">checkfs</primary> |
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| 89 | </indexterm> |
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| 90 | </listitem> |
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| 91 | </varlistentry> |
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| 92 | |
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| 93 | <varlistentry id="cleanfs-boot-scripts"> |
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| 94 | <term><command>cleanfs</command></term> |
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| 95 | <listitem> |
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| 96 | <para>Removes files that should not be preserved between reboots, |
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| 97 | such as those in <filename class="directory">/var/run/</filename> |
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| 98 | and <filename class="directory">/var/lock/</filename>; it re-creates |
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| 99 | <filename>/var/run/utmp</filename> and removes the possibly present |
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| 100 | <filename>/etc/nologin</filename>, <filename>/fastboot</filename>, |
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| 101 | and <filename>/forcefsck</filename> files</para> |
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| 102 | <indexterm zone="ch-scripts-boot-scripts cleanfs-boot-scripts"> |
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| 103 | <primary sortas="d-cleanfs">cleanfs</primary> |
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| 104 | </indexterm> |
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| 105 | </listitem> |
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| 106 | </varlistentry> |
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| 107 | |
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| 108 | <varlistentry id="functions-boot-scripts"> |
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| 109 | <term><command>functions</command></term> |
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| 110 | <listitem> |
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| 111 | <para>Contains common functions, such as error and status checking, |
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| 112 | that are used by several boot-scripts</para> |
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| 113 | <indexterm zone="ch-scripts-boot-scripts functions-boot-scripts"> |
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| 114 | <primary sortas="d-functions">functions</primary> |
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| 115 | </indexterm> |
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| 116 | </listitem> |
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| 117 | </varlistentry> |
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| 118 | |
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| 119 | <varlistentry id="halt-boot-scripts"> |
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| 120 | <term><command>halt</command></term> |
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| 121 | <listitem> |
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| 122 | <para>Halts the system</para> |
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| 123 | <indexterm zone="ch-scripts-boot-scripts halt-boot-scripts"> |
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| 124 | <primary sortas="d-halt">halt</primary> |
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| 125 | </indexterm> |
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| 126 | </listitem> |
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| 127 | </varlistentry> |
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| 128 | |
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| 129 | <varlistentry id="localnet-boot-scripts"> |
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| 130 | <term><command>localnet</command></term> |
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| 131 | <listitem> |
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| 132 | <para>Sets up the system's hostname and local loopback device</para> |
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| 133 | <indexterm zone="ch-scripts-boot-scripts localnet-boot-scripts"> |
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| 134 | <primary sortas="d-localnet">localnet</primary> |
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| 135 | </indexterm> |
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| 136 | </listitem> |
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| 137 | </varlistentry> |
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| 138 | |
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| 139 | <varlistentry id="mountfs-boot-scripts"> |
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| 140 | <term><command>mountfs</command></term> |
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| 141 | <listitem> |
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| 142 | <para>Mounts all file systems, except ones that are marked |
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| 143 | <emphasis>noauto</emphasis> or are network based</para> |
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| 144 | <indexterm zone="ch-scripts-boot-scripts mountfs-boot-scripts"> |
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| 145 | <primary sortas="d-mountfs">mountfs</primary> |
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| 146 | </indexterm> |
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| 147 | </listitem> |
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| 148 | </varlistentry> |
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| 149 | |
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| 150 | <varlistentry id="mountkernfs-boot-scripts"> |
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| 151 | <term><command>mountkernfs</command></term> |
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| 152 | <listitem> |
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| 153 | <para>Mounts virtual kernel file systems, such as |
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| 154 | <systemitem class="filesystem">proc</systemitem></para> |
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| 155 | <indexterm zone="ch-scripts-boot-scripts mountkernfs-boot-scripts"> |
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| 156 | <primary sortas="d-mountkernfs">mountkernfs</primary> |
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| 157 | </indexterm> |
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| 158 | </listitem> |
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| 159 | </varlistentry> |
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| 160 | |
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| 161 | <varlistentry id="rc-boot-scripts"> |
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| 162 | <term><command>rc</command></term> |
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| 163 | <listitem> |
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| 164 | <para>The master run-level control script; it is responsible for |
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| 165 | running all the other boot-scripts one-by-one, in a sequence |
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| 166 | determined by the name of the symbolic links being processed</para> |
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| 167 | <indexterm zone="ch-scripts-boot-scripts rc-boot-scripts"> |
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| 168 | <primary sortas="d-rc">rc</primary> |
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| 169 | </indexterm> |
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| 170 | </listitem> |
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| 171 | </varlistentry> |
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| 172 | |
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| 173 | <varlistentry id="reboot-boot-scripts"> |
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| 174 | <term><command>reboot</command></term> |
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| 175 | <listitem> |
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| 176 | <para>Reboots the system</para> |
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| 177 | <indexterm zone="ch-scripts-boot-scripts reboot-boot-scripts"> |
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| 178 | <primary sortas="d-reboot">reboot</primary> |
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| 179 | </indexterm> |
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| 180 | </listitem> |
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| 181 | </varlistentry> |
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| 182 | |
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| 183 | <varlistentry id="sendsignals-boot-scripts"> |
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| 184 | <term><command>sendsignals</command></term> |
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| 185 | <listitem> |
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| 186 | <para>Makes sure every process is terminated before the system reboots |
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| 187 | or halts</para> |
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| 188 | <indexterm zone="ch-scripts-boot-scripts sendsignals-boot-scripts"> |
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| 189 | <primary sortas="d-sendsignals">sendsignals</primary> |
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| 190 | </indexterm> |
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| 191 | </listitem> |
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| 192 | </varlistentry> |
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| 193 | |
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| 194 | <varlistentry id="setclock-boot-scripts"> |
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| 195 | <term><command>setclock</command></term> |
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| 196 | <listitem> |
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| 197 | <para>Resets the kernel clock to local time in case the hardware clock |
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| 198 | is not set to UTC time</para> |
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| 199 | <indexterm zone="ch-scripts-boot-scripts setclock-boot-scripts"> |
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| 200 | <primary sortas="d-setclock">setclock</primary> |
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| 201 | </indexterm> |
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| 202 | </listitem> |
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| 203 | </varlistentry> |
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| 204 | |
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| 205 | <varlistentry id="swap-boot-scripts"> |
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| 206 | <term><command>swap</command></term> |
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| 207 | <listitem> |
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| 208 | <para>Enables and disables swap files and partitions</para> |
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| 209 | <indexterm zone="ch-scripts-boot-scripts swap-boot-scripts"> |
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| 210 | <primary sortas="d-swap">swap</primary> |
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| 211 | </indexterm> |
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| 212 | </listitem> |
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| 213 | </varlistentry> |
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| 214 | |
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| 215 | <varlistentry id="eudev-boot-scripts"> |
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| 216 | <term><command>udev</command></term> |
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| 217 | <listitem> |
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| 218 | <para>Starts and stops the Eudev daemon</para> |
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| 219 | <indexterm zone="ch-scripts-boot-scripts eudev-boot-scripts"> |
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| 220 | <primary sortas="d-eudev">udev</primary> |
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| 221 | </indexterm> |
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| 222 | </listitem> |
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| 223 | </varlistentry> |
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| 224 | |
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| 225 | </variablelist> |
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| 226 | |
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| 227 | </sect2> |
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| 228 | |
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| 229 | </sect1> |
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