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-boot-sysvinit" role="wrap"> |
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9 | <?dbhtml filename="sysvinit.html"?> |
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10 | |
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11 | <title>Sysvinit-&sysvinit-version;</title> |
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12 | |
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13 | <indexterm zone="ch-boot-sysvinit"> |
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14 | <primary sortas="a-Sysvinit">Sysvinit</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 Sysvinit package contains programs for controlling the startup, |
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21 | running, and shutdown of the system.</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 Sysvinit</title> |
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27 | |
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28 | <para os="p1">Apply a patch to prevent installation of unneeded programs, |
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29 | and allow Sysvinit to be installed in |
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30 | <filename class="directory">/tools</filename>:</para> |
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31 | |
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32 | <screen os="p2"><userinput>patch -Np1 -i ../sysvinit-&sysvinit-version;-tools_updates-1.patch</userinput></screen> |
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33 | |
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34 | <para os ="c">Compile the package:</para> |
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35 | |
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36 | <screen os="ac"><userinput>make -C src clobber |
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37 | make -C src CC="${CC}"</userinput></screen> |
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38 | |
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39 | <para os="e">Install the package:</para> |
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40 | |
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41 | <screen os="ad"><userinput>make -C src ROOT=/tools install</userinput></screen> |
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42 | |
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43 | </sect2> |
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44 | |
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45 | <sect2 id="conf-tools-sysvinit" role="configuration"> |
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46 | <title>Configuring Sysvinit</title> |
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47 | |
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48 | <indexterm zone="conf-tools-sysvinit"> |
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49 | <primary sortas="a-Sysvinit">Sysvinit</primary> |
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50 | <secondary>boot, configuring</secondary> |
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51 | </indexterm> |
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52 | |
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53 | <indexterm zone="conf-tools-sysvinit"> |
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54 | <primary sortas="e-/etc/inittab">/etc/inittab</primary> |
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55 | </indexterm> |
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56 | |
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57 | <para>Create a new file <filename>/tools/etc/inittab</filename> by running the |
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58 | following:</para> |
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59 | |
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60 | <screen><userinput>cat > /tools/etc/inittab << "EOF" |
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61 | <literal># Begin /tools/etc/inittab |
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62 | |
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63 | id:3:initdefault: |
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64 | |
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65 | si::sysinit:/tools/etc/rc.d/init.d/rc sysinit |
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66 | |
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67 | l0:0:wait:/tools/etc/rc.d/init.d/rc 0 |
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68 | l1:S1:wait:/tools/etc/rc.d/init.d/rc 1 |
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69 | l2:2:wait:/tools/etc/rc.d/init.d/rc 2 |
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70 | l3:3:wait:/tools/etc/rc.d/init.d/rc 3 |
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71 | l4:4:wait:/tools/etc/rc.d/init.d/rc 4 |
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72 | l5:5:wait:/tools/etc/rc.d/init.d/rc 5 |
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73 | l6:6:wait:/tools/etc/rc.d/init.d/rc 6 |
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74 | |
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75 | ca:12345:ctrlaltdel:/tools/sbin/shutdown -t1 -a -r now |
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76 | |
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77 | su:S016:once:/tools/sbin/sulogin |
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78 | </literal> |
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79 | EOF</userinput></screen> |
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80 | |
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81 | <para>The following command adds the standard virtual terminals to |
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82 | <filename>/tools/etc/inittab</filename>. If your system only has a serial |
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83 | console skip the following command:</para> |
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84 | |
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85 | <screen><userinput>cat >> /tools/etc/inittab << "EOF" |
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86 | <literal>1:2345:respawn:/tools/sbin/agetty --noclear -I '\033(K' tty1 9600 |
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87 | 2:2345:respawn:/tools/sbin/agetty --noclear -I '\033(K' tty2 9600 |
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88 | 3:2345:respawn:/tools/sbin/agetty --noclear -I '\033(K' tty3 9600 |
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89 | 4:2345:respawn:/tools/sbin/agetty --noclear -I '\033(K' tty4 9600 |
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90 | 5:2345:respawn:/tools/sbin/agetty --noclear -I '\033(K' tty5 9600 |
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91 | 6:2345:respawn:/tools/sbin/agetty --noclear -I '\033(K' tty6 9600 |
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92 | </literal> |
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93 | EOF</userinput></screen> |
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94 | |
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95 | <para>If your system has a serial console, run the following command to add |
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96 | the entry to <filename>/tools/etc/inittab</filename>.</para> |
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97 | |
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98 | <screen><userinput>cat >> /tools/etc/inittab << "EOF" |
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99 | <literal>c0:12345:respawn:/tools/sbin/agetty --noclear 115200 ttyS0 vt100 |
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100 | </literal> |
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101 | EOF</userinput></screen> |
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102 | |
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103 | <para>Finally, add the end line to <filename>/tools/etc/inittab</filename>.</para> |
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104 | |
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105 | <screen><userinput>cat >> /tools/etc/inittab << "EOF" |
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106 | <literal># End /tools/etc/inittab</literal> |
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107 | EOF</userinput></screen> |
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108 | |
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109 | <para>The <parameter>-I '\033(K'</parameter> option tells |
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110 | <command>agetty</command> to send this escape sequence to the terminal |
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111 | before doing anything else. This escape sequence switches the console |
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112 | character set to a user-defined one, which can be modified by running |
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113 | the <command>setfont</command> program. Sending this |
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114 | escape sequence is necessary for people who use non-ISO 8859-1 screen |
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115 | fonts, but it does not affect native English speakers.</para> |
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116 | |
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117 | </sect2> |
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118 | |
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119 | <sect2 id="contents-sysvinit" role="content"> |
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120 | <title>Contents of Sysvinit</title> |
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121 | |
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122 | <segmentedlist> |
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123 | <segtitle>Installed programs</segtitle> |
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124 | |
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125 | <seglistitem> |
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126 | <seg>bootlogd, fstab-decode, halt, init, killall5, |
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127 | poweroff (link to halt), reboot (link to halt), runlevel, |
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128 | shutdown, and telinit (link to init)</seg> |
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129 | </seglistitem> |
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130 | </segmentedlist> |
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131 | |
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132 | <variablelist> |
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133 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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134 | <?dbfo list-presentation="list"?> |
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135 | <?dbhtml list-presentation="table"?> |
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136 | |
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137 | <varlistentry id="bootlogd"> |
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138 | <term><command>bootlogd</command></term> |
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139 | <listitem> |
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140 | <para>Logs boot messages to a log file</para> |
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141 | <indexterm zone="ch-boot-sysvinit bootlogd"> |
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142 | <primary sortas="b-bootlogd">bootlogd</primary> |
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143 | </indexterm> |
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144 | </listitem> |
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145 | </varlistentry> |
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146 | |
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147 | <varlistentry id="fstab-decode"> |
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148 | <term><command>fstab-decode</command></term> |
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149 | <listitem> |
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150 | <para>Runs a command with fstab-encoded arguments</para> |
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151 | <indexterm zone="ch-boot-sysvinit fstab-decode"> |
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152 | <primary sortas="b-fstab-decode">fstab-decode</primary> |
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153 | </indexterm> |
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154 | </listitem> |
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155 | </varlistentry> |
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156 | |
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157 | <varlistentry id="halt"> |
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158 | <term><command>halt</command></term> |
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159 | <listitem> |
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160 | <para>Normally invokes <command>shutdown</command> with the |
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161 | <parameter>-h</parameter> option, except when already in run-level 0, |
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162 | then it tells the kernel to halt the system; it notes in the |
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163 | file <filename>/var/log/wtmp</filename> that the system is being |
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164 | brought down</para> |
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165 | <indexterm zone="ch-boot-sysvinit halt"> |
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166 | <primary sortas="b-halt">halt</primary> |
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167 | </indexterm> |
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168 | </listitem> |
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169 | </varlistentry> |
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170 | |
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171 | <varlistentry id="init"> |
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172 | <term><command>init</command></term> |
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173 | <listitem> |
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174 | <para>The first process to be started when the kernel has initialized |
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175 | the hardware which takes over the boot process and starts all the |
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176 | proceses it is instructed to</para> |
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177 | <indexterm zone="ch-boot-sysvinit init"> |
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178 | <primary sortas="b-init">init</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="killall5"> |
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184 | <term><command>killall5</command></term> |
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185 | <listitem> |
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186 | <para>Sends a signal to all processes, except the processes in its own |
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187 | session so it will not kill the shell running the script that called |
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188 | it</para> |
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189 | <indexterm zone="ch-boot-sysvinit killall5"> |
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190 | <primary sortas="b-killall5">killall5</primary> |
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191 | </indexterm> |
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192 | </listitem> |
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193 | </varlistentry> |
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194 | |
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195 | <varlistentry id="poweroff"> |
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196 | <term><command>poweroff</command></term> |
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197 | <listitem> |
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198 | <para>Tells the kernel to halt the system and switch off the computer |
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199 | (see <command>halt</command>)</para> |
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200 | <indexterm zone="ch-boot-sysvinit poweroff"> |
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201 | <primary sortas="b-poweroff">poweroff</primary> |
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202 | </indexterm> |
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203 | </listitem> |
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204 | </varlistentry> |
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205 | |
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206 | <varlistentry id="reboot"> |
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207 | <term><command>reboot</command></term> |
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208 | <listitem> |
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209 | <para>Tells the kernel to reboot the system (see |
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210 | <command>halt</command>)</para> |
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211 | <indexterm zone="ch-boot-sysvinit reboot"> |
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212 | <primary sortas="b-reboot">reboot</primary> |
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213 | </indexterm> |
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214 | </listitem> |
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215 | </varlistentry> |
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216 | |
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217 | <varlistentry id="runlevel"> |
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218 | <term><command>runlevel</command></term> |
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219 | <listitem> |
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220 | <para>Reports the previous and the current run-level, as noted in |
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221 | the last run-level record in <filename>/var/run/utmp</filename></para> |
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222 | <indexterm zone="ch-boot-sysvinit runlevel"> |
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223 | <primary sortas="b-runlevel">runlevel</primary> |
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224 | </indexterm> |
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225 | </listitem> |
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226 | </varlistentry> |
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227 | |
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228 | <varlistentry id="shutdown"> |
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229 | <term><command>shutdown</command></term> |
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230 | <listitem> |
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231 | <para>Brings the system down in a secure way, signaling all processes |
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232 | and notifying all logged-in users</para> |
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233 | <indexterm zone="ch-boot-sysvinit shutdown"> |
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234 | <primary sortas="b-shutdown">shutdown</primary> |
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235 | </indexterm> |
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236 | </listitem> |
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237 | </varlistentry> |
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238 | |
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239 | <varlistentry id="telinit"> |
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240 | <term><command>telinit</command></term> |
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241 | <listitem> |
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242 | <para>Tells <command>init</command> which run-level to change to</para> |
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243 | <indexterm zone="ch-boot-sysvinit telinit"> |
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244 | <primary sortas="b-telinit">telinit</primary> |
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245 | </indexterm> |
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246 | </listitem> |
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247 | </varlistentry> |
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248 | |
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249 | </variablelist> |
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250 | |
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251 | </sect2> |
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252 | |
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253 | </sect1> |
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