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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