[82fc053] | 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-sysvinit" role="wrap"> |
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| 8 | <?dbhtml filename="sysvinit.html"?> |
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| 9 | |
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| 10 | <title>Sysvinit-&sysvinit-version;</title> |
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| 11 | |
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| 12 | <indexterm zone="ch-system-sysvinit"> |
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| 13 | <primary sortas="a-Sysvinit">Sysvinit</primary> |
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| 14 | </indexterm> |
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| 15 | |
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| 16 | <sect2 role="package"> |
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| 17 | <title/> |
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| 18 | |
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| 19 | <para>The Sysvinit package contains programs for controlling the startup, |
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| 20 | running, and shutdown of the system.</para> |
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| 21 | |
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| 22 | </sect2> |
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| 23 | |
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| 24 | <sect2 role="installation"> |
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| 25 | <title>Installation of Sysvinit</title> |
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| 26 | |
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[a4fd97e] | 27 | <para os ="a">Apply a <command>sed</command> to disable several programs |
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| 28 | from being built and installed as better versions are provided by |
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| 29 | other packages:</para> |
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[82fc053] | 30 | |
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[a4fd97e] | 31 | <screen os="b"><userinput>sed -i -e 's/\ sulogin[^ ]*//' -e 's/pidof\.8//' -e '/ln .*pidof/d' \ |
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[82fc053] | 32 | -e '/utmpdump/d' -e '/mountpoint/d' -e '/mesg/d' src/Makefile</userinput></screen> |
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| 33 | |
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[87da537] | 34 | <para os ="c">Compile the package:</para> |
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[82fc053] | 35 | |
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| 36 | <screen os="d"><userinput>make -C src clobber |
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| 37 | make -C src</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="f"><userinput>make -C src 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-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-sysvinit"> |
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| 49 | <primary sortas="a-Sysvinit">Sysvinit</primary> |
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| 50 | <secondary>configuring</secondary></indexterm> |
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| 51 | |
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| 52 | <indexterm zone="conf-sysvinit"> |
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| 53 | <primary sortas="e-/etc/inittab">/etc/inittab</primary> |
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| 54 | </indexterm> |
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| 55 | |
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| 56 | <para>Create a new file <filename>/etc/inittab</filename> by running the |
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| 57 | following:</para> |
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| 58 | |
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| 59 | <screen><userinput>cat > /etc/inittab << "EOF" |
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| 60 | <literal># Begin /etc/inittab |
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| 61 | |
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| 62 | id:3:initdefault: |
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| 63 | |
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| 64 | si::sysinit:/etc/rc.d/init.d/rc sysinit |
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| 65 | |
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| 66 | l0:0:wait:/etc/rc.d/init.d/rc 0 |
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| 67 | l1:S1:wait:/etc/rc.d/init.d/rc 1 |
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| 68 | l2:2:wait:/etc/rc.d/init.d/rc 2 |
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| 69 | l3:3:wait:/etc/rc.d/init.d/rc 3 |
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| 70 | l4:4:wait:/etc/rc.d/init.d/rc 4 |
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| 71 | l5:5:wait:/etc/rc.d/init.d/rc 5 |
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| 72 | l6:6:wait:/etc/rc.d/init.d/rc 6 |
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| 73 | |
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| 74 | ca:12345:ctrlaltdel:/sbin/shutdown -t1 -a -r now |
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| 75 | |
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| 76 | su:S016:once:/sbin/sulogin |
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| 77 | </literal> |
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| 78 | EOF</userinput></screen> |
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| 79 | |
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| 80 | <para>The following command adds the standard virtual terminals to |
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| 81 | <filename>/etc/inittab</filename>. If your system only has a serial |
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| 82 | console skip the following command:</para> |
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| 83 | |
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| 84 | <screen><userinput>cat >> /etc/inittab << "EOF" |
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| 85 | <literal>1:2345:respawn:/sbin/agetty --noclear -I '\033(K' tty1 9600 |
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| 86 | 2:2345:respawn:/sbin/agetty --noclear -I '\033(K' tty2 9600 |
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| 87 | 3:2345:respawn:/sbin/agetty --noclear -I '\033(K' tty3 9600 |
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| 88 | 4:2345:respawn:/sbin/agetty --noclear -I '\033(K' tty4 9600 |
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| 89 | 5:2345:respawn:/sbin/agetty --noclear -I '\033(K' tty5 9600 |
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| 90 | 6:2345:respawn:/sbin/agetty --noclear -I '\033(K' tty6 9600 |
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| 91 | </literal> |
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| 92 | EOF</userinput></screen> |
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| 93 | |
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| 94 | <para>If your system has a serial console run the following command to add |
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| 95 | the entry to <filename>/etc/inittab</filename>:</para> |
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| 96 | |
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| 97 | <screen><userinput>cat >> /etc/inittab << "EOF" |
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| 98 | <literal>c0:12345:respawn:/sbin/agetty --noclear 115200 ttyS0 vt100 |
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| 99 | </literal> |
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| 100 | EOF</userinput></screen> |
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| 101 | |
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| 102 | <para>Finally, add the end line to <filename>/etc/inittab</filename>:</para> |
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| 103 | |
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| 104 | <screen><userinput>cat >> /etc/inittab << "EOF" |
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| 105 | <literal># End /etc/inittab</literal> |
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| 106 | EOF</userinput></screen> |
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| 107 | |
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| 108 | <para>The <parameter>-I '\033(K'</parameter> option tells |
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| 109 | <command>agetty</command> to send this escape sequence to the terminal |
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| 110 | before doing anything else. This escape sequence switches the console |
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| 111 | character set to a user-defined one, which can be modified by running |
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[9b1549f] | 112 | the <command>setfont</command> program. The <command>i18n</command> |
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[82fc053] | 113 | initscript from the CLFS-Bootscripts package calls the |
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| 114 | <command>setfont</command> program during system startup. Sending this |
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| 115 | escape sequence is necessary for people who use non-ISO 8859-1 screen |
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| 116 | fonts, but it does not affect native English speakers.</para> |
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| 117 | |
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| 118 | </sect2> |
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| 119 | |
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| 120 | <sect2 id="contents-sysvinit" role="content"> |
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| 121 | <title>Contents of Sysvinit</title> |
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| 122 | |
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| 123 | <segmentedlist> |
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| 124 | <segtitle>Installed programs</segtitle> |
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| 125 | |
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| 126 | <seglistitem> |
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[a4fd97e] | 127 | <seg>bootlogd, fstab-decode, halt, init, killall5, poweroff |
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| 128 | (link to halt), reboot (link to halt), runlevel, shutdown, telinit |
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| 129 | (link to init)</seg> |
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[82fc053] | 130 | </seglistitem> |
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| 131 | </segmentedlist> |
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| 132 | |
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| 133 | <variablelist> |
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| 134 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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| 135 | <?dbfo list-presentation="list"?> |
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| 136 | <?dbhtml list-presentation="table"?> |
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| 137 | |
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| 138 | <varlistentry id="bootlogd"> |
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| 139 | <term><command>bootlogd</command></term> |
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| 140 | <listitem> |
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| 141 | <para>Logs boot messages to a log file</para> |
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| 142 | <indexterm zone="ch-system-sysvinit bootlogd"> |
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| 143 | <primary sortas="b-bootlogd">bootlogd</primary> |
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| 144 | </indexterm> |
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| 145 | </listitem> |
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| 146 | </varlistentry> |
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| 147 | |
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| 148 | <varlistentry id="fstab-decode"> |
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| 149 | <term><command>fstab-decode</command></term> |
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| 150 | <listitem> |
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| 151 | <para>Runs a command with fstab-encoded arguments</para> |
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| 152 | <indexterm zone="ch-system-sysvinit fstab-decode"> |
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| 153 | <primary sortas="b-fstab-decode">fstab-decode</primary> |
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| 154 | </indexterm> |
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| 155 | </listitem> |
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| 156 | </varlistentry> |
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| 157 | |
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| 158 | <varlistentry id="halt"> |
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| 159 | <term><command>halt</command></term> |
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| 160 | <listitem> |
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| 161 | <para>Normally invokes <command>shutdown</command> with the |
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| 162 | <parameter>-h</parameter> option, except when already in run-level 0, |
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| 163 | then it tells the kernel to halt the system; it notes in the |
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| 164 | file <filename>/var/log/wtmp</filename> that the system is being |
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| 165 | brought down</para> |
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| 166 | <indexterm zone="ch-system-sysvinit halt"> |
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| 167 | <primary sortas="b-halt">halt</primary> |
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| 168 | </indexterm> |
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| 169 | </listitem> |
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| 170 | </varlistentry> |
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| 171 | |
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| 172 | <varlistentry id="init"> |
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| 173 | <term><command>init</command></term> |
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| 174 | <listitem> |
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| 175 | <para>The first process to be started when the kernel has initialized |
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| 176 | the hardware which takes over the boot process and starts all the |
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| 177 | proceses it is instructed to</para> |
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| 178 | <indexterm zone="ch-system-sysvinit init"> |
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| 179 | <primary sortas="b-init">init</primary> |
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| 180 | </indexterm> |
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| 181 | </listitem> |
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| 182 | </varlistentry> |
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| 183 | |
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| 184 | <varlistentry id="killall5"> |
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| 185 | <term><command>killall5</command></term> |
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| 186 | <listitem> |
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| 187 | <para>Sends a signal to all processes, except the processes in its own |
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| 188 | session so it will not kill the shell running the script that called |
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| 189 | it</para> |
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| 190 | <indexterm zone="ch-system-sysvinit killall5"> |
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| 191 | <primary sortas="b-killall5">killall5</primary> |
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| 192 | </indexterm> |
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| 193 | </listitem> |
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| 194 | </varlistentry> |
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| 195 | |
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| 196 | <varlistentry id="poweroff"> |
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| 197 | <term><command>poweroff</command></term> |
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| 198 | <listitem> |
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| 199 | <para>Tells the kernel to halt the system and switch off the computer |
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| 200 | (see <command>halt</command>)</para> |
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| 201 | <indexterm zone="ch-system-sysvinit poweroff"> |
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| 202 | <primary sortas="b-poweroff">poweroff</primary> |
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| 203 | </indexterm> |
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| 204 | </listitem> |
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| 205 | </varlistentry> |
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| 206 | |
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| 207 | <varlistentry id="reboot"> |
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| 208 | <term><command>reboot</command></term> |
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| 209 | <listitem> |
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| 210 | <para>Tells the kernel to reboot the system (see |
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| 211 | <command>halt</command>)</para> |
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| 212 | <indexterm zone="ch-system-sysvinit reboot"> |
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| 213 | <primary sortas="b-reboot">reboot</primary> |
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| 214 | </indexterm> |
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| 215 | </listitem> |
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| 216 | </varlistentry> |
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| 217 | |
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| 218 | <varlistentry id="runlevel"> |
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| 219 | <term><command>runlevel</command></term> |
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| 220 | <listitem> |
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| 221 | <para>Reports the previous and the current run-level, as noted in |
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[d31e344] | 222 | the last run-level record in <filename>/run/utmp</filename></para> |
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[82fc053] | 223 | <indexterm zone="ch-system-sysvinit runlevel"> |
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| 224 | <primary sortas="b-runlevel">runlevel</primary> |
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| 225 | </indexterm> |
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| 226 | </listitem> |
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| 227 | </varlistentry> |
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| 228 | |
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| 229 | <varlistentry id="shutdown"> |
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| 230 | <term><command>shutdown</command></term> |
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| 231 | <listitem> |
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| 232 | <para>Brings the system down in a secure way, signaling all processes |
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| 233 | and notifying all logged-in users</para> |
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| 234 | <indexterm zone="ch-system-sysvinit shutdown"> |
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| 235 | <primary sortas="b-shutdown">shutdown</primary> |
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| 236 | </indexterm> |
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| 237 | </listitem> |
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| 238 | </varlistentry> |
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| 239 | |
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| 240 | <varlistentry id="telinit"> |
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| 241 | <term><command>telinit</command></term> |
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| 242 | <listitem> |
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| 243 | <para>Tells <command>init</command> which run-level to change to</para> |
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| 244 | <indexterm zone="ch-system-sysvinit telinit"> |
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| 245 | <primary sortas="b-telinit">telinit</primary> |
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| 246 | </indexterm> |
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| 247 | </listitem> |
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| 248 | </varlistentry> |
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| 249 | |
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| 250 | </variablelist> |
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| 251 | |
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| 252 | </sect2> |
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| 253 | |
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| 254 | </sect1> |
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