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<?xml version="1.0" encoding="gb2312"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"/><title>Embedded Linux Howto  (5)              turbolinux </title></head><body><center><h1>BBS 水木清華站∶精華區(qū)</h1></center><a name="top"></a>發(fā)信人:&nbsp;turbolinux&nbsp;(hoho~神啊，救救我吧...),&nbsp;信區(qū):&nbsp;Embedded&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />標(biāo)&nbsp;&nbsp;題:&nbsp;Embedded&nbsp;Linux&nbsp;Howto&nbsp;&nbsp;(5)&nbsp;<br />發(fā)信站:&nbsp;BBS&nbsp;水木清華站&nbsp;(Thu&nbsp;Jul&nbsp;12&nbsp;00:32:34&nbsp;2001)&nbsp;<br />&nbsp;<br />5.&nbsp;Installing&nbsp;TinyLogin&nbsp;&amp;&nbsp;login&nbsp;dependencies&nbsp;<br />TinyLogin&nbsp;is&nbsp;available&nbsp;at&nbsp;<a href="http://tinylogin.lineo.com.">http://tinylogin.lineo.com.</a>&nbsp;&nbsp;<br />&nbsp;<br />It&nbsp;will&nbsp;give&nbsp;us&nbsp;the&nbsp;following&nbsp;tools&nbsp;in&nbsp;less&nbsp;than&nbsp;35Ko&nbsp;:&nbsp;&nbsp;<br />&nbsp;<br />/bin/addgroup,&nbsp;/bin/adduser,&nbsp;/bin/delgroup,&nbsp;/bin/deluser,&nbsp;/bin/login,&nbsp;&nbsp;<br />/bin/su,&nbsp;/sbin/getty,&nbsp;/sbin/sulogin,&nbsp;/usr/bin/passwd&nbsp;&nbsp;<br />&nbsp;<br />Please&nbsp;refers&nbsp;to&nbsp;your&nbsp;main&nbsp;distribution&nbsp;doc&nbsp;or&nbsp;man&nbsp;pages&nbsp;to&nbsp;have&nbsp;a&nbsp;&nbsp;<br />full&nbsp;description&nbsp;of&nbsp;those&nbsp;commands.&nbsp;&nbsp;<br />&nbsp;<br />5.1&nbsp;Configuring&nbsp;TinyLogin&nbsp;&nbsp;<br />[...&nbsp;part&nbsp;of&nbsp;TinyLogin&nbsp;README&nbsp;...]&nbsp;TinyLogin&nbsp;is&nbsp;modularized&nbsp;to&nbsp;easily&nbsp;&nbsp;<br />allow&nbsp;you&nbsp;to&nbsp;build&nbsp;only&nbsp;the&nbsp;components&nbsp;you&nbsp;need,&nbsp;thereby&nbsp;reducing&nbsp;binary&nbsp;<br />&nbsp;size.&nbsp;To&nbsp;turn&nbsp;off&nbsp;unwanted&nbsp;TinyLogin&nbsp;components,&nbsp;simply&nbsp;edit&nbsp;the&nbsp;file&nbsp;&nbsp;<br />tinylogin.def.h&nbsp;and&nbsp;comment&nbsp;out&nbsp;the&nbsp;parts&nbsp;you&nbsp;do&nbsp;not&nbsp;want&nbsp;using&nbsp;C++&nbsp;&nbsp;<br />style&nbsp;(//)&nbsp;comments.&nbsp;&nbsp;<br />&nbsp;<br />5.2&nbsp;Installing&nbsp;TinyLogin&nbsp;&nbsp;<br />After&nbsp;the&nbsp;build&nbsp;is&nbsp;complete&nbsp;a&nbsp;tinylogin.links&nbsp;file&nbsp;is&nbsp;generated&nbsp;which&nbsp;is&nbsp;<br />&nbsp;then&nbsp;used&nbsp;by&nbsp;'make&nbsp;install'&nbsp;to&nbsp;create&nbsp;symlinks&nbsp;to&nbsp;the&nbsp;tinylogin&nbsp;&nbsp;<br />binary&nbsp;for&nbsp;all&nbsp;compiled&nbsp;in&nbsp;functions.&nbsp;By&nbsp;default,&nbsp;'make&nbsp;install'&nbsp;will&nbsp;&nbsp;<br />place&nbsp;a&nbsp;symlink&nbsp;forest&nbsp;into&nbsp;`pwd`/_install&nbsp;unless&nbsp;you&nbsp;have&nbsp;defined&nbsp;the&nbsp;&nbsp;<br />PREFIX&nbsp;environment&nbsp;variable.&nbsp;&nbsp;<br />&nbsp;<br />5.3&nbsp;Installing&nbsp;Sysvinit&nbsp;&amp;&nbsp;start-stop-daemon&nbsp;&nbsp;<br />After&nbsp;the&nbsp;kernel&nbsp;is&nbsp;done&nbsp;loading&nbsp;it&nbsp;attempts&nbsp;to&nbsp;run&nbsp;the&nbsp;init&nbsp;program&nbsp;&nbsp;<br />to&nbsp;finalize&nbsp;the&nbsp;boot&nbsp;process.&nbsp;&nbsp;<br />&nbsp;<br />Unpack&nbsp;the&nbsp;Sysvinit&nbsp;archive.&nbsp;&nbsp;<br />Go&nbsp;to&nbsp;the&nbsp;src&nbsp;directory&nbsp;&nbsp;<br />Compile&nbsp;the&nbsp;package&nbsp;by&nbsp;running&nbsp;make&nbsp;&nbsp;<br />Copy&nbsp;the&nbsp;init&nbsp;executable&nbsp;in&nbsp;$EMBPART/sbin&nbsp;&nbsp;<br />The&nbsp;Sysvinit&nbsp;package&nbsp;also&nbsp;offers&nbsp;a&nbsp;C&nbsp;version&nbsp;of&nbsp;the&nbsp;start-stop-deamon&nbsp;in&nbsp;<br />&nbsp;the&nbsp;contrib&nbsp;directory.&nbsp;&nbsp;<br />Compile&nbsp;it.&nbsp;&nbsp;<br />Copy&nbsp;the&nbsp;file&nbsp;in&nbsp;$EMBPART/usr/sbin&nbsp;&nbsp;<br />5.4&nbsp;Configuring&nbsp;Sysvinit&nbsp;&nbsp;<br />Sysvinit&nbsp;needs&nbsp;a&nbsp;configuration&nbsp;file&nbsp;named&nbsp;inittab&nbsp;and&nbsp;placed&nbsp;in&nbsp;&nbsp;<br />$EMBPART/etc.&nbsp;The&nbsp;following&nbsp;is&nbsp;the&nbsp;one&nbsp;used&nbsp;in&nbsp;the&nbsp;LEM&nbsp;distro:&nbsp;&nbsp;<br />&nbsp;<br />&nbsp;<br />&nbsp;<br />#&nbsp;/etc/inittab:&nbsp;init(8)&nbsp;configuration.&nbsp;<br />#&nbsp;$Id:&nbsp;inittab,v&nbsp;1.6&nbsp;1997/01/30&nbsp;15:03:55&nbsp;miquels&nbsp;Exp&nbsp;$&nbsp;<br />#&nbsp;Modified&nbsp;for&nbsp;LEM&nbsp;2/99&nbsp;by&nbsp;Sebastien&nbsp;HUET&nbsp;&lt;<a href="mailto:sebhuet@linux-embedded.org>">sebhuet@linux-embedded.org></a>&nbsp;<br />&nbsp;<br />#&nbsp;default&nbsp;rl.&nbsp;<br />id:2:initdefault:&nbsp;<br />&nbsp;<br />#&nbsp;first&nbsp;except&nbsp;in&nbsp;emergency&nbsp;(-b)&nbsp;mode.&nbsp;<br />si::sysinit:/etc/init.d/rcS&nbsp;<br />&nbsp;<br />#&nbsp;single-user&nbsp;mode.&nbsp;<br />~~:S:wait:/sbin/sulogin&nbsp;<br />&nbsp;<br />#&nbsp;/etc/init.d&nbsp;executes&nbsp;the&nbsp;S&nbsp;and&nbsp;K&nbsp;scripts&nbsp;upon&nbsp;change&nbsp;<br />#&nbsp;0:halt&nbsp;1:single-user&nbsp;2-5:multi-user&nbsp;(5&nbsp;may&nbsp;be&nbsp;X&nbsp;with&nbsp;xdm&nbsp;or&nbsp;other)&nbsp;6:&nbsp;<br />reboot.&nbsp;<br />l0:0:wait:/etc/init.d/rc&nbsp;0&nbsp;<br />l1:1:wait:/etc/init.d/rc&nbsp;1&nbsp;<br />l2:2:wait:/etc/init.d/rc&nbsp;2&nbsp;<br />l3:3:wait:/etc/init.d/rc&nbsp;3&nbsp;<br />l4:4:wait:/etc/init.d/rc&nbsp;4&nbsp;<br />l5:5:wait:/etc/init.d/rc&nbsp;5&nbsp;<br />l6:6:wait:/etc/init.d/rc&nbsp;6&nbsp;<br />&nbsp;<br />#&nbsp;CTRL-ALT-DEL&nbsp;pressed.&nbsp;<br />ca:12345:ctrlaltdel:/sbin/shutdown&nbsp;-t1&nbsp;-r&nbsp;now&nbsp;<br />&nbsp;<br />#&nbsp;Action&nbsp;on&nbsp;special&nbsp;keypress&nbsp;(ALT-UpArrow).&nbsp;<br />kb::kbrequest:/bin/echo&nbsp;&quot;Keyboard&nbsp;Request--edit&nbsp;/etc/inittab&nbsp;to&nbsp;let&nbsp;this&nbsp;<br />&nbsp;work.&quot;&nbsp;<br />&nbsp;<br />#&nbsp;/sbin/mingetty&nbsp;invocations&nbsp;for&nbsp;runlevels.&nbsp;<br />1:2345:respawn:/sbin/getty&nbsp;9600&nbsp;tty1&nbsp;<br />2:23:respawn:/sbin/getty&nbsp;9600&nbsp;tty2&nbsp;<br />#3:23:respawn:/sbin/getty&nbsp;tty3&nbsp;#you&nbsp;may&nbsp;add&nbsp;console&nbsp;there&nbsp;<br />#4:23:respawn:/sbin/getty&nbsp;tty4&nbsp;<br />&nbsp;<br />5.5&nbsp;Creating&nbsp;initial&nbsp;boot&nbsp;scripts&nbsp;&nbsp;<br />As&nbsp;seen&nbsp;in&nbsp;the&nbsp;inittab&nbsp;file,&nbsp;Sysvinit&nbsp;needs&nbsp;additional&nbsp;scripts&nbsp;in&nbsp;&nbsp;<br />their&nbsp;own&nbsp;directories.&nbsp;&nbsp;<br />&nbsp;<br />Creating&nbsp;the&nbsp;necessary&nbsp;directories&nbsp;and&nbsp;base&nbsp;files&nbsp;&nbsp;<br />&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cd&nbsp;$EMBPART/etc&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mkdir&nbsp;rc0.d&nbsp;rc1.d&nbsp;rc2.d&nbsp;rc3.d&nbsp;rc4.d&nbsp;rc5.d&nbsp;rc6.d&nbsp;init.d&nbsp;&nbsp;<br />rcS.d&nbsp;rc.boot&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;<br />Go&nbsp;to&nbsp;the&nbsp;unpacked&nbsp;Sysvinit&nbsp;source&nbsp;directory.&nbsp;&nbsp;<br />Copy&nbsp;the&nbsp;debian/etc/init.d/rc&nbsp;to:$EMBART/etc/init.d&nbsp;&nbsp;<br />Go&nbsp;to&nbsp;the&nbsp;$EMBPART/etc/init.d/&nbsp;&nbsp;<br />Create&nbsp;a&nbsp;new&nbsp;file&nbsp;rcS&nbsp;like&nbsp;those&nbsp;in&nbsp;LEM:&nbsp;&nbsp;<br />#!/bin/sh&nbsp;<br />PATH=/sbin:/bin:/usr/sbin:/usr/bin&nbsp;<br />runlevel=S&nbsp;<br />prevlevel=N&nbsp;<br />umask&nbsp;022&nbsp;<br />export&nbsp;PATH&nbsp;runlevel&nbsp;prevlevel&nbsp;<br />./etc/default/rcS&nbsp;<br />export&nbsp;VERBOSE&nbsp;<br />#&nbsp;Trap&nbsp;CTRL-C&nbsp;&nbsp;only&nbsp;in&nbsp;this&nbsp;shell&nbsp;so&nbsp;we&nbsp;can&nbsp;interrupt&nbsp;subprocesses.&nbsp;<br />trap&nbsp;&quot;:&quot;&nbsp;2&nbsp;3&nbsp;20&nbsp;<br />#&nbsp;Call&nbsp;all&nbsp;parts&nbsp;in&nbsp;order.&nbsp;<br />for&nbsp;i&nbsp;in&nbsp;/etc/rcS.d/S??*&nbsp;<br />do&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;!&nbsp;-f&nbsp;&quot;$i&quot;&nbsp;]&nbsp;&amp;&amp;&nbsp;continue&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case&nbsp;&quot;$i&quot;&nbsp;in&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*.sh)&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;trap&nbsp;-&nbsp;2&nbsp;3&nbsp;20&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.&nbsp;$i&nbsp;start&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;;;&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*)&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$i&nbsp;start&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;;;&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;esac&nbsp;<br />done&nbsp;<br />#&nbsp;run&nbsp;the&nbsp;files&nbsp;in&nbsp;/etc/rc.boot&nbsp;<br />[&nbsp;-d&nbsp;/etc/rc.boot&nbsp;]&nbsp;&amp;&amp;&nbsp;run-parts&nbsp;/etc/rc.boot&nbsp;<br />&nbsp;<br />Copy&nbsp;run-parts&nbsp;from&nbsp;your&nbsp;distro&nbsp;to&nbsp;$EMBPART/bin&nbsp;&nbsp;<br />Adding&nbsp;base&nbsp;scripts&nbsp;&nbsp;<br />&lt;!-reboot----------------------------------------------&gt;&nbsp;&nbsp;<br />&nbsp;<br />Create&nbsp;a&nbsp;new&nbsp;file&nbsp;reboot&nbsp;containing&nbsp;the&nbsp;following:&nbsp;&nbsp;<br />#!/bin/sh&nbsp;<br />PATH=/sbin:/bin:/usr/sbin:/usr/bin&nbsp;<br />echo&nbsp;-n&nbsp;&quot;Rebooting...&nbsp;&quot;&nbsp;<br />reboot&nbsp;-d&nbsp;-f&nbsp;-i&nbsp;<br />&nbsp;<br />&lt;!-halt----------------------------------------------&gt;&nbsp;&nbsp;<br />&nbsp;<br />Create&nbsp;a&nbsp;new&nbsp;file&nbsp;halt&nbsp;containing&nbsp;the&nbsp;following:&nbsp;&nbsp;<br />#!/bin/sh&nbsp;<br />PATH=/sbin:/bin:/usr/sbin:/usr/bin&nbsp;<br />halt&nbsp;-d&nbsp;-f&nbsp;-i&nbsp;-p&nbsp;<br />&nbsp;<br />&lt;!-mountfs----------------------------------------------&gt;&nbsp;&nbsp;<br />&nbsp;<br />Create&nbsp;a&nbsp;new&nbsp;file&nbsp;mountfs&nbsp;containing&nbsp;the&nbsp;following:&nbsp;&nbsp;<br />&nbsp;<br />Creating&nbsp;initial&nbsp;scripts&nbsp;&nbsp;<br />&nbsp;<br />5.6&nbsp;Copying&nbsp;passwd&nbsp;&amp;&nbsp;group&nbsp;files&nbsp;&nbsp;<br />&nbsp;<br />&nbsp;<br />------------------------------------------------------------------------&nbsp;<br />--------&nbsp;<br />&nbsp;<br />--&nbsp;<br />Welcome&nbsp;to&nbsp;<a 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