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UPS-HOWTO-1.html0100644000014400001440000001332006447236400013023 0ustar  cwhuangusers<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<H2><A NAME="s1">1. ²¤¶</A></H2>

<P>
<P>¥» HOWTO ¤å¥ó¥]§t¤F¦p¦ó³s±µ UPS ¨ì°õ¦æ Linux ªº¹q¸£¤W¡C
¨ä·Qªk¬O¥H¾A·íªº¤è¦¡±N¤GªÌ¬Û³s±µ¡A¨Ï±o Linux 
¥i¥H¦b¹q·½Â_¹q¥H¤Î UPS ªº¹q¦À¯Ó¥ú«e¦w¥þ¦aÃö¾÷¡C
<P>¨ä¤¤ÁÙ¥]¬A¤F¤@¨Ç¥iÀ°§U±z«Ø¥ß¤W­z³s½uªº³nÅé¡A¥H¤Î¸Ô­z¸Ó³s½uªº¹B§@¤è¦¡¡C
°²¦p±z¯à§ä¨ì¤@­Ó¤w³]©w¦n¥i¥H¨Ï¥Î±zªº UPS ªº³nÅé¡A
«h«áªÌªº»¡©ú¹ï±z¨Ó»¡³q±`¬O¤£»Ý­nªº¡C§_«hªº¸Ü¡A±z¥²¶·¥J²Ó¦a¾\Ū¥¦¡C
<P>¦b¬Û·íªºµ{«×¤W¥»¤å¥ó¤w¤ñ°_§Ú¦b¤T¦~«e©Ò¼¶¼gªº­ì¤å¦h¥X¤F«Ü¦h¤º®e¡C
©Ò¦³ªº°ò¥»¸ê®Æ³£¥i¥H¦b <CODE>SysVinit</CODE> ¤¤ªº <CODE>powerd</CODE> man page ùاä¨ì¡C
¾¨ºÞ¦b¤T¦~«e¦³¤H¥i¯àµLªk¦b¤@¯ëªº Linux ®M¥ó¤¤§ä¨ì³o½g man page ¡A
¦ý§Ú¤£¬Û«H¤µ«áÁÙ·|¦Aµo¥Í³o¼Ëªº±¡ªp¡C
<P>°£¦¹¤§¥~¡A·í§Ú²Ä¤@¦¸¼¶¼g³o½g Howto ¡A°£¤F <CODE>powerd.c</CODE>
¥H¥~¨Ã¨S¦³¨ä¥Lªº³nÅé¥i¥H°µ¬° Linux/UPS ¤§¶¡ªº·¾³q»P±±¨î¡C
¦Ó¤µ¤é§Ú­Ì«h¥i¥H¦b 
<A HREF="http://sunsite.unc.edu:/pub/Linux/system/ups">Sunsite's UPS directory</A>
¤U§ä¨ì¤@¤j°ï UPS ±±¨î³nÅé¡C
<P>µM¦Ó¡A¨ü¨ì RedHat §Y±N­«·s¦L»s Dr. Linux ªº¿EÀy¡A§Ú¤]¶}©l­«¼g³o½g UPS Hotwo ¡C
¬°¤°»ò©O? ¶â ....
<P>
<UL>
<LI>§Ú·Q¡AÃB¥~ªº¤@¯ë©Ê·§Æ[±N¯à¦³§U©ó¤F¸Ñ¦p¦ó±N Linux ¨t²Î³s¤W UPS ¡A
§Y¨Ï¥¦¥u¬O¥t¤@¥÷¤º®e¬Û¦Pªº¤å¥ó¡C
</LI>
<LI>³o½g HOWTO ºâ¬O¦UºØ¯S®í UPS ¸ê®ÆªºÀxÂîw --- 
¦b³o¨à¦³³\¦h©|¥¼³Q¾ã¦X¤J¤@¯ë³nÅé®M¥ó¤¤ªº UPS ¸ê°T¡C
</LI>
<LI>³o½g HOWTO ¥]§t¤F¤@¨Ç¦b¨ä¥L¤å¥ó¤¤§ä¤£¨ìªºÃB¥~¸Ô²Ó¸ê®Æ¡C
</LI>
<LI>¤@¨Ç¥i¥H¦b 
<A HREF="http://sunsite.unc.edu:/pub/Linux/system/ups">Sunsite's UPS directory</A> 
§ä±o¨ìªº UPS ³nÅé¦ü¥G»¡©ú¤å¥ó³£¤Ö±o¥i¼¦¡C
±z¤]³\»Ý­n¥ý¾\ð饻¤å¥H¤F¸Ñ¦p¦ó¨Ï¥Î¥L­Ì¡C
</LI>
<LI>²{¦b³o¥ó¨Æ¦ü¥G¤w¦³¤F¦Û¤vªº¥Í©R¤F¡C·í¤@½g HOWTO 
¤å¥ó¦]¦Ó½Ï¥Í®É¨Æ¹ê´N§ó¥[©úÅã¤F¡C¥t¤@­Ó¤ñ¸û¤£©úÅ㪺¨Æ¹ê¬O·í¥¦¥²¶·¤W§ÉºÎı®É¡C

(͵ù: ³o¤@¥y¯º¸Ü§Ú¬Ý¤£À´°Õ! ­ü! ½±o¦nÄê ....)</LI>
</UL>
<P>
<H2><A NAME="ss1.1">1.1 ¦³°^Ämªº¤H­Ì</A>
</H2>

<P>
<P>§Ú¥Ã»·³£·|·P¿E¨º¨Ç´¿¸gµ¹§ÚÀ°§U¡Bµ¹§Ú«ØÄ³¡B¥H¤Îµ¹§Ú¯S®íªº UPS ¸ê®Æªº¤H­Ì¡C
¨ä¤¤¥]¬A¤F:
<P>
<UL>
<LI>Hennus Bergman
(
<A HREF="mailto:hennus@sky.owl.nl">hennus@sky.owl.nl</A>)
</LI>
<LI>Charli
(
<A HREF="mailto:mefistos@impsat1.com.ar">mefistos@impsat1.com.ar</A>)
</LI>
<LI>Ciro Cattuto
(
<A HREF="mailto:ciro@stud.unipg.it">Ciro Cattuto</A>)
</LI>
<LI>Nick Christenson
(
<A HREF="mailto:npc@minotaur.jpl.nasa.gov">npc@minotaur.jpl.nasa.gov</A>)
</LI>
<LI>Lam Dang
(
<A HREF="mailto:angit@netcom.com">angit@netcom.com</A>)
</LI>
<LI>Markus Eiden
(
<A HREF="mailto:Markus@eiden.de">Markus@eiden.de</A>)
</LI>
<LI>Dan Fandrich
(
<A HREF="mailto:dan@fch.wimsey.bc.ca">dan@fch.wimsey.bc.ca</A>)
</LI>
<LI>Ben Galliart
(
<A HREF="mailto:bgallia@orion.it.luc.edu">bgallia@orion.it.luc.edu</A>)
</LI>
<LI>Danny ter Haar
(
<A HREF="mailto:dth@cistron.nl">dth@cistron.nl</A>)
</LI>
<LI>Christian G. Holtje
(
<A HREF="mailto:docwhat@uiuc.edu">docwhat@uiuc.edu</A>)
</LI>
<LI>Raymond A. Ingles
(
<A HREF="mailto:inglesra@frc.com">inglesra@frc.com</A>)
</LI>
<LI>Peter Kammer
(
<A HREF="mailto:pkammer@ics.uci.edu">pkammer@ics.uci.edu</A>)
</LI>
<LI>Marek Michalkiewicz
(
<A HREF="mailto:ind43@sun1000.ci.pwr.wroc.pl">ind43@sun1000.ci.pwr.wroc.pl</A>)
</LI>
<LI>Jim Ockers
(
<A HREF="mailto:ockers@umr.edu">ockers@umr.edu</A>)
 </LI>
<LI>Evgeny Stambulchik
(
<A HREF="mailto:fnevgeny@plasma-gate.weizmann.ac.il">fnevgeny@plasma-gate.weizmann.ac.il</A>)
</LI>
<LI>Clive A. Stubbings
(
<A HREF="mailto:cas@vjet.demon.co.uk">cas@vjet.demon.co.uk</A>)
</LI>
<LI>Miquel van Smoorenburg
(
<A HREF="mailto:miquels@cistron.nl">miquels@cistron.nl</A>)
</LI>
<LI>Slavik Terletsky
(
<A HREF="mailto:ts@polynet.lviv.ua">ts@polynet.lviv.ua</A>)
</LI>
<LI>Tom Webster
(
<A HREF="mailto:webster@kaiwan.com">webster@kaiwan.com</A>)
</LI>
</UL>
<P>½Ðª`·N¤U¤èªº email ¦a§}¬O¦Û¹q¤l«H¥ó¤¤¸`¿ý¤U¨Óªº¡A¥¦­Ì¤]³\·|¹L´Á¡C
¦Ó¤W¤èªº email ¦a§}¥i¯à¤]·|¹L´Á¡A¦ý¦³¨Ç¬O¤ñ°_¤U¤èÁÙ­n·sªº¡C
<P>°£¦¹¤§¥~¡A¦pªG¦]§Úªº²¨©¿¦Ó¦b¤Wªí¤¤º|±¼¥ô¦ó¤@¦ì¦³°^ÄmªÌªº¸Ü¡A§Ú¯uªº«Ü©êºp¡C
½Ð±z email µ¹§Ú¡A§Ú·|±N±zªº¦W¦r¥[¤W¥h¡C
<P>
<P>
<H2><A NAME="ss1.2">1.2 ½Ð¯S§Oª`·N</A>
</H2>

<P>§Ú¯uªºµLªk«OÃÒ³o¨ÇªFªF¹ï±z·|¦³®Ä¡C³sµ² UPS ¨ì¹q¸£¤W¬O¤@¥ó¬Û·í¦³§Þ¥©ªº¤u§@¡C
¨ä¤¤¤§¤@©Î¤GªÌ³£¦³¥i¯à·|¿N±¼¡BÃz¬µ¡BµÛ¤õ¡B©ÎªÌ¬O¤Þµo²Ä¤T¦¸¥@¬É¤j¾Ô¡C
°£¦¹¤§¥~¡A§Ú¥u¦³¹ï Advice 1200 A UPS¡A¥H¤Î 5kva Best Ferrups ¦³ª½±µªº¸gÅç¡A
¦Ó¥B§Ú¤]¤£»Ý­n¦Û¤v°µ¤@±ø°T¸¹½u¡C©Ò¥H¡A½Ðª`·N! ¾¨¥i¯à¦a¦¬¶°±zªº UPS ªº©Ò¦³¸ê°T¡C
½Ð¥ý¦Ò¼{²M·¡¡A¤£­nÀH«K¬Û«H¥ô¦ó±z¦b¥»¤å¤¤©Î¨ä¥L¦a¤è©ÒŪ¨ìªº¤º®e¡C
<P>¥t¤@¤è­±¡A§Ú¥¿ºÉ¥i¯à¦a¦¬¶°©Ò¦³¨Ï§Úªº UPS ¥i¥H¤u§@ªº¤èªk¡A
¨ä¤¤¦³«Ü¦h¤£¬O¨Ó¦Û»s³y°Óªº¸ê°T¡A©Ò©¯¤]¨S¦³¿N±¼¥ô¦óªF¦è¡A©Ò¥H³o¨Ç³£¬O¥i¯àªº¡C
<P>
<P>
<H2><A NAME="ss1.3">1.3 ¨ä¥Lªº¤å¥ó</A>
</H2>

<P>¥»¤å¨Ã¨S¦³¥]§t©Ò¦³ UPS ªº¤@¯ë¯S©Ê»P¯à¤O¡C¦p±z»Ý­n³oÃþ«¬ªº¸ê°T¡A§A¥i¥H¬Ý¬Ý
<A HREF="ftp://navigator.jpl.nasa.gov/pub/doc/faq/UPS.faq">The UPS FAQ</A>¡C
³o½g¤å¥ó¦P®É¤]¥i¥H¦b 
<A HREF="ftp://rtfm.mit.edu/pub/usenet-by-hierarchy/comp/answers/UPS-faq">ftp://rtfm.mit.edu/pub/usenet-by-hierarchy/comp/answers/UPS-faq</A>
¤¤§ä¨ì¡C¥¦¬O¥Ñ Nick Christenson (
<A HREF="mailto:npc@minotaur.jpl.nasa.gov">npc@minotaur.jpl.nasa.gov</A>)
©ÒºûÅ@ªº¡A¦ý¬Ý°_¨Ó¦n¹³¦Û±q 1995 ¦~¥H«á´N¨S¦³¦A­«¼g¤F¡C¦pªG±z­n email µ¹¥L¡A
¥L§Æ±æ±z¥i¥H¦b«H¥óªº Subject ¨º¤@¦æ©ñ¤J <CODE>UPS</CODE> ©Î <CODE>UPS FAQ</CODE> 
©Î¨ä¥L¬ÛÃöªºµü¥y¡C
<P>¦³³\³\¦h¦hªº UPS »s³y°Ó¦bºô¸ô¤¤µÞªÞ¡C
¨ä¤¤¦³¨Ç½T¹ê¦b¥L­Ìªººô­¶¤¤´£¨Ñ¤F¦³¥Îªº¸ê°T¡C±z¥i¥H¦b
<A HREF="http://www.upssystems.uk.com/upsdir.html">The UPS Directory</A> ¤¤§ä¨ì³o¨Ç UPS 
»s³y°Óªººô­¶Â²ªí¡C¸Óºô¯¸¤]¥]§t¤F
<A HREF="http://www.upssystems.uk.com/upsfaqs.html">UPS FAQ</A>
³o½g¤å¥ó¡C
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<H2><A NAME="s2">2. ½Ðª`·N¤w¹L®Éªº¸ê°T</A></H2>

<P>§Ú­è­èµo²{©³¤U¦³¤@¨Ç¸ê®Æ¤w¸g¹L®É¤F¡C¨ä¤¤¨Ó¦Û
<A HREF="http://sunsite.unc.edu/pub/Linux/system/daemons/init/sysvinit-2.64.tar.gz">the latest sysvinit package</A>
ªº <CODE>init</CODE> daemon ¤ñ°_§Ú©Ò¯à´y­zªºÁÙ­n²­®¡C
¾¨ºÞ¬Ý°_¨Ó¥Ø«eªºª©¥»»P¸Óµ{¦¡§¹¦¨®Éªºª©¥»¬Û®e¡A¦ý·í¤¤¤´µM¦³¤@¨Ç¹ï UPS
<B>¬Û·í­«­n</B> ªº¤ä´©¨S¦³¤å¥ó»¡©ú¡C
<P>©³¤U©Ò²­zªº±±¨î¾÷¨î¥u¯àÅý <CODE>powerd</CODE> °eµ¹ <CODE>init</CODE> <CODE>powerfail</CODE> ©Î
<CODE>powerok</CODE> ³o¨â­Ó°T®§¤§¤@¦Ó¤w¡C<CODE>init</CODE> ±µ¨ì <CODE>powerfail</CODE> 
°T®§®É°õ¦æ¤@­Ó©R¥O¡A¦Ó·í¥¦±µ¨ì <CODE>powerok</CODE> ®É«h°õ¦æ¥t¤@­Ó©R¥O¡C
³o±N¾É¦Ü <CODE>powerd</CODE> ¦b³B²z§C¹q¤O°T¸¹¤Î¨ä¥L¯S®íª¬ªp®É²£¥ÍÅÞ¿è¤Wªº½ÆÂø©Ê¡C
<P>¸û·sª©¥»ªº <CODE>init</CODE> (¹³¬O 2.58 ª©) ´N¤ñ¸ûºë¨}¤F¡C
¥¦¥i¥H¦b±µ¨ì°T¸¹®É¿ï¾Ü <CODE>¤T­Ó</CODE> script ¤¤¤§¤@¨Ó°õ¦æ¡C¦p¦¹¤@¨Ó¡A <CODE>init</CODE>
¥i¥H¦b±µ¨ì¹q·½Â_¹q°T¸¹®É°õ¦æ <CODE>powerfail</CODE> script ¡A¥i¥H°õ¦æ¤@­Ó
<CODE>powerfailnow</CODE> script °µ¥ß§YªºÃö¾÷ ¡A¥H¤Î¤@­Ó <CODE>powerok</CODE> script
¨Ó°±¤î¥ô¦ó¥¿¦b¶i¦æªºÃö¾÷°Ê§@¡C³o¼Ë¤ñ°_­n§Ú­Ì¦Û¦æ³B²z³o¨Ç¾÷¨î­n²³æ¦h¤F¡C
<P>¾¨ºÞ³oùؤj³¡¤Àªº°Q½×¤´°²³]¨Ï¥Îªº <CODE>init</CODE> ³q°T¤è¦¡¡A
§Ú¤w¥[¤J¤F¨â­Ó·sªº³¹¸`¨Ó´y­z·sªº³s½u¤èªk¡C³o¨â­Ó³¹¸`¬O 
<@ref>ciroTrust Energy Protector 400/650</A> ¤Î 
<@ref>ciroTrust Energy Protector 400/650</A><@ref>apc700APC Smart-UPS 700</A>¡C¨ä¤¤«eªÌ¯S§O¸Ô²Ó¡C¤GªÌ³£¥]§t¤F¤@­Ó <CODE>powerd.c</CODE> ÀÉ¡A
¥¦¥i¥H¦b¦¬¨ì§C¹q¤O°T¸¹®É°e°T¸¹µ¹ <CODE>init</CODE> ¥H¶i¦æºò«æÃö¾÷¡A
´N¹³¬O <CODE>/etc/inittab</CODE> Àɤ¤¨º´X¦æ©Ò¼gªº¤@¼Ë¡C¨ä¾lªº¡A
§Ú©Ò¯à§i¶D±zªº´N¥u¦³½Ð±z¬Ý¬Ý <CODE>init</CODE> ªº­ì©l½X¤F¡C
<P>´N§Ú©Òª¾ªº¡A¦b¥H¤U©Ò¦Cªº UPS ³nÅé®M¥ó¤¤¦³³\¦h¤]±Ä¥Î¤F·s¦¡ªº³s½u¤è¦¡¡C
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<H2><A NAME="s3">3. Áo©úªº»P³æ½Õªº UPS</A></H2>

<P>UPS ¤j¦Ü¤À¬°¨âÃþ¡A§Ú¤À§O¥s¥¦­Ì ``Áo©úªº (Smart)''»P ``³æ½Õªº (Dumb)''¡C
¤GªÌ¤§¶¡ªº®t²§¦b©ó§Ú­Ì¯à¦Û UPS Àò±o¦h¤Öªº°T®§¥H¤Î§Ú­Ì¯à°÷¹ï UPS ¤U¹F¦h¤Ö©R¥O¡C
<P>
<P>
<DL>
<DT><B>³æ½Õªº UPS</B><DD><P>
<UL>
<LI>ÂǥѧǦCªú (serial port) »P¹q¸£¬Û³s¡C</LI>
<LI>¨Ï¥Î modem ±±¨î½u»P¹q¸£¬Û³q°T¡C</LI>
<LI>¥i¥H¦b¹q¤O¬O§_®ø¥¢®Éµ¹¹q¸£°e°T¸¹¡C</LI>
<LI>¤]³\¥i¥H¦b UPS ªº¹q¤O¬O§_°¾§C®É³qª¾¹q¸£¡C</LI>
<LI>¹q¸£³q±`¥i¥H°e°T¸¹µ¹ UPS Åý¥¦±N¦Û¤vÃö³¬¡C</LI>
</UL>
<P>
<DT><B>Áo©úªº UPS</B><DD><P>
<UL>
<LI>ÂǥѧǦCªú (serial port) »P¹q¸£¬Û³s¡C</LI>
<LI>¥H¤@¯ëªº¸ê®Æ¶Ç¿é½u¸g§Ç¦Cªú»P¹q¸£·¾³q¡C</LI>
<LI>¦h¥b¦³¤@²Õ©R¥O»y¨¥¥i¥HÅý¹q¸£¦Û UPS ¨º±oª¾¦U¦¡¦U¼Ëªº¸ê°T¡A
¥H³]©w¦UºØ¹B§@°Ñ¼Æµ¹ UPS¡A¦P®É¤]¾Þ§@ UPS (¹³¬O±N¥¦Ãö±¼)</LI>
</UL>
<P>
</DL>
<P>
<P>³q±`Áo©úªº UPS ³£¥i¥H¦b³æ½Õªº¼Ò¦¡¤U¾Þ§@¡C³o¬O«Ü¦³¥Îªº¡A¦]¬°´N§Ú©Òª¾¡A
³Ì±`¨£ªºÁo©ú UPS (¹³¬O APC) »s³y°Ó¥uÄ@·N³zÅS¥L­Ìªº UPS 
³q°T¨ó©wµ¹¨º¨Çñ¸p¤Fµ´¤£¬ªÅS¾÷±K¦P·N®Ñªº¤H­Ì¡C
<P>´N§Ú©Òª¾¡A¥u¦³ BEST ¤½¥q©Ò»s§@ªº UPS ¥i¥H«Ü®e©ö¦a¦b Linux ¤U¹B§@¡C
°£¦¹¤§¥~¡A BEST ¤½¥qÁÙ¦³§¹¾ãªº¤å¥ó»¡©ú¤F¥L­Ìªº UPS ªºÁo©ú¼Ò¦¡ 
(¥H¤Î³æ½Õ¼Ò¦¡)¡C BEST ¤½¥q¤]´£¨Ñ¤F¥i¥H»P¥L­Ìªº UPS ·¾³qªºµ{¦¡ªº­ì©l½X¡C
<P>©Ò¦³¦C¦b 
<A HREF="UPS-HOWTO-4.html#software">³nÅé</A> ³¹¸`ªº³nÅé¬Ò¥i¦b³æ½Õ¼Ò¦¡¤U»P
UPS ·¾³q¡C³o¨Ç³£¬O±z¯u¥¿»Ý­nªº¡C¦³¨Ç³nÅé«h«ÅºÙ»¡¥i¥H¦bÁo©ú¼Ò¦¡¤U¾Þ§@
ARC UPS ¡A¦ý§Ú¤£ª¾¹D¥L­Ì¬O¦p¦óÀò­ã¦Ó°µ¨ìªº¡C
¤@­Ó§¹¾ãªºµ{¦¡¹B§@·|¸õ¥X¤@­Óµøµ¡¡AùØÀY¥]§t¤F¦³½ìªº«×¶qªí¡A
¥NªíµÛ¦U¦¡¦U¼Ëªº UPS ²Î­p¸ê®Æ¡A¹³¬O­t¸üµ{«×¡B¤º³¡·Å«×¡BÂ_¹q°O¿ý¡B¿é¤J¹qÀ£¡B
¤Î¿é¥X¹qÀ£ ...... µ¥µ¥¡C¬Ý°_¨Ó¦ü¥G <CODE>smupsd-0.7-1.i386.rpm</CODE> µ{¦¡
(¨£ 
<A HREF="UPS-HOWTO-4.html#software">³nÅé</A>¤@¸`) ¥i¥H°µ¨ì³o¨Ç¡C
¹ï©ó¨ä¥Lªº³nÅé§Ú«h¤£´±½T©w¡C
<P>¥H¤Uªº¤º®e§Ú±NºÉ¶q»±­­©ó¦p¦ó½Õ¾ã±zªº¨t²Î¨Ï¨ä¯à»P³æ½Õ¼Ò¦¡¤Uªº UPS ¤@°_¤u§@¡C
¦Ó¹ïÁo©ú¼Ò¦¡ªº UPS ¦Ó¨¥¡A°ò¥»·Qªk¬O¤@¼Ëªº¡A¦ý»Ý­n¤°»ò¼Ëªº <CODE>powerd</CODE> 
°Ñ»P¤u§@¥H¤Î±z»Ý­n¤°»ò¼Ëªº°T¸¹Æl½u¬OÀHµÛ UPS ¦Ó¦³¤£¦Pªº¡C
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<H2><A NAME="software"></A> <A NAME="s4">4. ³nÅé</A></H2>

<P>°ò¥»¤W¡A±z©Ò»Ýªº´N¬O¤@­Ó¥i¥H¤u§@ <CODE>powerd</CODE> µ{¦¡ÀÉ¡A³q±`±z¥i¥H¦b
<CODE>/sbin/powerd</CODE> ¤U§ä¨ì¥¦¡C¥¦³q±`¬OÄÝ©ó <CODE>SysVinit</CODE> ¨t²Îªº¤@³¡¤À¡C
´N§Ú©Òª¾¡A©Ò¦³ªñ´Áª©¥»ªº Linux ¨t²Î³£¥]§t¤F¤@­Ó¸û·sª©ªº <CODE>SysVinit</CODE> ¡C
¦ý¦b«D±`ªºª©¥»«h¤£¥]§t <CODE>powerd</CODE>¡C
<P>°ß¤@ªº°ÝÃD¬O±zªº°T¸¹Æl½u¥i¯à¤£¯à»P±zªº <CODE>powerd</CODE> ³]©w¬Û°t¦X¡A
¦b³o±¡ªp¤U±z¥²¶·­«·s°µ¤@±ø°T¸¹Æl½u¡A©ÎªÌ¬O§ä¨Ó¤@¥÷ <CODE>powerd.c</CODE> 
Àɨíק復¨Ï±o¥¦¯à°t¦X±zªº°T¸¹Æl½u¤u§@¡C©ÎªÌ¬O¡A
±z¥i¥H¨Ï¥Î¥H¤U©Ò¦Cªº³nÅé¡A¤j³¡¤Àªº³nÅ餹³\±z°µ¾A·íªº³]©w¥H°t¦X±zªº°T¸¹Æl½u¡C
<P>´N¹³­è­è©Ò´£¨ìªº¡A°£¤F¨Ï¥Î <CODE>SysVinit</CODE> ªº <CODE>powerd</CODE> 
¤§¥~±z¤]¥i¥H®³²{¦³ªº¥ô¦ó¤@ºØ UPS ³nÅé¨Ó¥Î¡C¥Ø«e¦³³\¦h³nÅé¥i¥HÀ°§U±z«Ø¥ß¹q¸£»P
UPS ¤§¶¡ªº³s½u¡C¦b§Ú²Ä¤@¦¸¼g³o½g HOWTO ®É³£ÁÙ¨S¦³³o¨Ç³nÅé¡A
¦Ó³o¤]¬O¬°¤°»ò§Ú­n¼g³o½g HOWTO ¡C¨Æ¹ê¤W¡A±z¤]¥i¥H±q¤¤¿ï¤@­Ó³nÅé¨Ó¥Î¡A
¦Ó§¹¥þ©¿²¤³o½g HOWTO ªº¤º®e¡C
<P>¦b 1997 ¦~ 3 ¤ë 15 ¤é¥ª¥k¡A 
<A HREF="http://sunsite.unc.edu:/pub/Linux/system/ups">Sunsite ªº UPS ¥Ø¿ý</A> 
¤U¥i¥H§ä¨ì¤@¤j°ïªº³nÅé¥i¥Î¡C¦Ó¦b¨ä¥Lªººô¯¸¦ü¥G¤]¦³ UPS ±±¨î³nÅé¥i¥H§ä¨ì¡C
¥H¤U¬O§Ú¥Ø«e©Ò§ä¨ìªº (°£¤F¨ä¤¤¨â­Ó¥H¥~¡A¨ä¥L³£¬O¦b sunsite §ä¨ìªº):
<P>
<DL>
<DT><B>
<A HREF="http://sunsite.unc.edu:/pub/Linux/system/ups/Enhanced_APC_BackUPS.tar.gz">Enhanced_APC_BackUPS.tar.gz</A></B><DD><P>³o¬O¤@­Ó¥i¥H±±¨î APC Áo©ú¼Ò¦¡ªº UPS ¡C¬Ý°_¨Ó°ò¥»¤W¬O¨Ì¾Ú BUPS Howto
(¥]§t¤F³o¤@½g) ¡A¦ý¤]¦n¹³¦³¤@¨Ç§C¹q¤Oĵ§iªº¤ä´©¡C
<P>
<DT><B>
<A HREF="http://sunsite.unc.edu:/pub/Linux/system/ups/Enhanced_APC_UPSD-v1.4.tar.gz">Enhanced_APC_UPSD-v1.4.tar.gz</A></B><DD><P>¦b <CODE>.lsm</CODE> Àɤ¤´£¨ì¥¦±q«e´N¬O¤W¤@­Ó©Ò´£¨ìªº³nÅé¡A
¦ý¨Æ¹ê¤W¥¦¥¿¬O±N¤W¤@­Ó³nÅ骺 <CODE>.tar.gz</CODE> ÀÉ¥]¸Ë¦b¥¦ªº <CODE>tar.gz</CODE> 
Àɤ§¤º¡C¨º½g¤å¥ó»¡©ú¦³°ÝÃD¡A¬Ý°_¨Ó¥¦¦ü¥G¦P®É¤ä´© APC UPS 
ªºÁo©ú»P³æ½Õ¼Ò¦¡¡A¦ý§Ú¤£´±½T©w¡C
<P>
<DT><B>
<A HREF="http://sunsite.unc.edu:/pub/Linux/system/ups/apcd-0.5.tar.gz">apcd-0.5.tar.gz</A></B><DD><P>³o¬O¥t¤@­Ó¥i¥H±±¨î APC UPS ©óÁo©ú¼Ò¦¡¤U¹B§@ªº³nÅé¡C
¬Ý°_¨Ó¦ü¥G¥i¥H¤ä´©¥D/±q¼Ò¦¡
(¤]´N¬O»¡¡A·í°±¹q®É¥i¥H¥Ñ¤@¥x¾÷¾¹°e°T¸¹µ¹¥t¤@¥x¾÷¾¹¥s¥¦Ãö¾÷) ¡C
¬Ý°_¨Ó¦ü¥G¬O¨Ï¥Î¤F UPS ªºÁo©ú¼Ò¦¡¡A¤£¹³¬O¸g¥Ñ modem ªº°T¸¹½u¨Ó±±¨î¡C
<P>
<DT><B>
<A HREF="ftp://cms180.cmsnet.com/pub/smupsd/">smupsd directory</A></B><DD><P>¤S¬O¥t¤@­Ó±±¨î APC UPS ªº³nÅé¡C¬Ý°_¨Ó¥i¥H¦b«D±`Áo©ú (tm) ¼Ò¦¡¤U¾Þ§@
UPS ¡CÁ|¨Ò¨Ó»¡¡A¥¦¥]§t¤F¤@­Ó Java ¹Ï§Î¤¶­±ªº UPS ºÊ±±¤u¨ãµ{¦¡¡C
¸Ó¥Ø¿ý¤U¥]§t¤F¤w½sͦnªº RPM §Î¦¡ªº³nÅé (
<A HREF="ftp://cms180.cmsnet.com/pub/smupsd/smupsd-0.7-1.i386.rpm">ftp://cms180.cmsnet.com/pub/smupsd/smupsd-0.7-1.i386.rpm</A>) ¡A
¤@­Ó­ì©l½X RPM ®æ¦¡ÀÉ (
<A HREF="ftp://cms180.cmsnet.com/pub/smupsd/smupsd-0.7-1.src.rpm">ftp://cms180.cmsnet.com/pub/smupsd/smupsd-0.7-1.src.rpm</A>) ¡A
¥H¤Î¤@­Óðé§ÚÀÉ®× (
<A HREF="ftp://cms180.cmsnet.com/pub/smupsd/smupsd-0.7-1.README">ftp://cms180.cmsnet.com/pub/smupsd/smupsd-0.7-1.README</A>) ¡C
<P>
<DT><B>
<A HREF="http://sunsite.unc.edu:/pub/Linux/system/ups/genpower-1.0.1.tgz">genpower-1.0.1.tgz</A></B><DD><P>¤@­Ó¤@¯ë¤Æªº UPS ±±¨î³nÅé¡C¥¦¥]§t¤F«Ü¦hºØ UPS ªº³]©w --- ¨âºØ TrippLite
ªº³]©w¡A¥H¤Î¤TºØ APC ªº³]©w¡C¦P®É¤]¥]§t¤F«Ü¦nªº»¡©ú¤å¥ó¡Cª«¶W©Ò­È¡C
<P>
<DT><B>
<A HREF="http://sunsite.unc.edu:/pub/Linux/system/ups/powerd-2.0.tar.gz">powerd-2.0.tar.gz</A></B><DD><P>¤@­Ó <CODE>SysVinit</CODE> ªº <CODE>powerd</CODE> µ{¦¡ªº´À¥N«~¡C
»P¥¦ªº»¡©ú¤å¥ó©Ò´£¨ìªº¬Û¤Ï¡A¥¦¦ü¥G¨S¦³¾ã¦X¨ì <CODE>SysVinit</CODE> 2.62 
ª©¤¤¡C¥¦ªºÀuÂI¦b©ó¥¦¥i¥H°µ¬°¦b¨ä¥L¾÷¾¹¤W°õ¦æªº <CODE>powerd</CODE> ªº¦øªAºÝ
(°²¦p±zªº¾÷¾¹¦³³s¤Wºô¸ô¥B¥u¦³¤@­Ó UPS ªº¸Ü) ¡A¦Ó¥B¥¦¥i¥H¥Î³]©wÀɨӶi¦æ³]©w
---- ¬G¨ä­ì©l½X¤£»Ý­×§ï¤Î­«·s½sĶ¡C
<P>
<DT><B>
<A HREF="http://sunsite.unc.edu:/pub/Linux/system/ups/upsd-1.0.tgz">upsd-1.0.tgz</A></B><DD><P>¥t¤@­Ó <CODE>powerd</CODE> ªº´À¥N«~¡C¬Ý°_¨Ó¦ü¥G»P powerd-2.0.tar.gz 
¦³³\¦h¬Û¦üªº¯S¦â¡C
<P>
<DT><B>
<A HREF="http://www.bestpower.com/section/software/checkups.tar">checkups.tar</A></B><DD><P>³o­Ó³nÅé¬O¥Î¨Ó±±¨î Best UPS ªº¡C¥¦¬Oª½±µ¨Ó¦Û Best ¤½¥qªººô­¶ªº¡C
¥¦¥]§t¤F¦hºØ <CODE>unix</CODE> ªº¥i°õ¦æÀÉ¡A¦ý§ó­«­nªº¬O¡A¥¦ÁÙ¥]§t¤F­ì©l½X¡A
¬G±z¥i¥H¦b Linux ¤U´ú¸Õ¥¦¡A¦Ó¥B°²¦p¥¦µLªk¤u§@¡A±z¤]¥i¥H¸ÕµÛ­×§ï¥¦¡C
¦¹­ì©l½X¦P®É¥]§t¤F¦b³æ½Õ¼Ò¦¡¤U±±¨î UPS ªº "°ò¥»ÀË´ú" «ü¥O¡A
¥H¤Î¤@¨Ç§óºë¥©ªº "¥ý¶iÀË´ú" «ü¥O --- ·í UPS ¦^³ø»¡¥¦¥u³Ñ X 
¤ÀÄÁªº¹q¤O®É§Yµo¥XÃö¾÷ªº°T¸¹¡A¦Ó¤£¬Oµ¥¨ì X ¤ÀÄÁ«á¹q¤O³£¥Î¥ú¤F¤~¶}©lÃö¾÷¡C
¦¹¥ý¶iÀË´úµ{¦¡¤]·|¦b UPS µo¥X¹³¬O©P³òÀô¹Ò·Å«×¹L°ª¡B±µªñ§C¹q¤O¡B
§C¥æ¬y¹q¿é¥X¡B©ÎªÌ¬O¨Ï¥ÎªÌ´ú¸Õµ¥Äµ§i®ÉÃö³¬¾÷¾¹¡C
<P>
<DT><B>
<A HREF="http://sunsite.unc.edu:/pub/Linux/system/ups/bestups-0.9.tar.gz">bestups-0.9.tar.gz</A></B><DD><P>¥i¯à¦b±zŪ¨ì³o½g¤å³¹®É¡A¦¹¦b sunsite ¥i¥H§ä±o¨ìªº³nÅé¤wµo®i±o«Ü¦n¤F¡C
¥¦¬O¤@¹ï¥i¥H¬Û¤¬³q°Tªº¼Ò²Õ¡A¥Î¥H±±¨î Best Ferrups UPS¡C¥¦¥i¥H¦bÁo©ú¼Ò¦¡¤U
±±¨î UPS ¡C¥¦¥i¥H»P powerd-2.0 ¦X§@¾Þ±± --- ³o¤@ÂI¦b·í±z¦³¤@­Ó¤j«¬ªº
Best Ferrups UPS ¤ä´©³s±µ¦bºô¸ô¤W¾÷¾¹ªº¹q¤O®É®æ¥~¦³¥Î¡C
<P>
</DL>
<P>
<P>½Ðª`·N§Ú¥u¬O§Ö³t¦aÂsÄý¹L³o¨Ç³nÅé¡C§Ú¨Ã¨S¦³¥Î¥¦­Ì¡A°£¤F¨º­Ó§Ú­Ì¤~¶}©l¨Ï¥Îªº
<A HREF="http://sunsite.unc.edu:/pub/Linux/system/ups/bestups-0.9.tar.gz">bestups-0.9.tar.gz</A>
¥H¤Î 
<A HREF="http://sunsite.unc.edu:/pub/Linux/system/ups/powerd-2.0.tar.gz">powerd-2.0.tar.gz</A> ¡A
¨ä¤¤ ``¤~¶}©l'' ·N«ä¬O»¡§Ú­Ì¤~¦b¤W­Ó¬P´Á¥|¶}¨Ï°µ´ú¸Õ¡C
<P>
<HR>
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<H2><A NAME="s5">5. ¦Û¤v°Ê¤â«ü«n</A></H2>

<P>³oùتº°Q½×¬O°w¹ï³æ½Õ¼Ò¦¡ªº UPS ±±¨î¦Ó¼g´Nªº¡CµM¦Ó¡A
¤j³¡¤Àªº¹Lµ{¹ï³æ½Õªº UPS »PÁo©úªº UPS ´X¥G¬O¤@¼Ëªº¡C³Ì¤jªº¤£¦P¦b©ó UPS
ºÊ±±µ{¦¡ (°ò¥»¤W¬O <CODE>powerd</CODE>) ¦p¦ó»P UPS ·¾³q¡C
<P>¦b¶}©l¤§«e¡A§Ú«ØÄ³¥H¤Uªº¤u§@¬yµ{:
<UL>
<LI>²¤Åª³o½g¤å¥ó¡C</LI>
<LI>¤U¸ü¨Ã¼f¬d©Ò¦³¬Ý°_¨Ó¯S§O¾A¦X±zªº UPS ªº³nÅé¡C</LI>
<LI>¤U¸ü¨Ã¼f¬d©Ò¦³§ó¤@¯ë¤Æªº³nÅé¡C½Ðª`·N¦³¨Ç¸û¤@¯ë¤Æªº³nÅ鍯¹ê¤W§ó¬°±j¤j¡B
¦³§ó¦nªº»¡©ú¤å¥ó¡B¥B¤ñ°_¨º¨Ç¸û¯S®íªº³nÅé§ó®e©ö¨Ï¥Î¡C</LI>
<LI>¦pªG±z¨ÌµMµLªkÅý UPS ¤u§@¡A©Î¬O±zªº¤è¦V¨Ì¤£²M·¡¡A
½Ð±z¥J²Ó¾\Ū¥»¤å¡A¨Ã¸Õ¸Õ°µ hack ªº¤u§@ ....</LI>
</UL>
<P>
<P>
<H2><A NAME="ss5.1">5.1 ±z©Ò»Ýªº¤u§@ (Á`µ²)</A>
</H2>

<P>
<UL>
<LI>±N±zªº¹q¸£±µ¤W UPS ¡C</LI>
<LI>¥Î¯S®íªº°T¸¹Æl½u±N±zªº¹q¸£ªºªº¦ê¦Cªú»P UPS ³s±µ¦b¤@°_¡C</LI>
<LI>¦b±zªº¹q¸£¤W¶] <CODE>powerd</CODE> (©Î¨ä¥LÃþ¦üªº³nÅé) ¡C</LI>
<LI>³]©w±zªº <CODE>init</CODE> µ{¦¡¨Ï¥¦¯à¦b powerfail ¤Î powerok 
¨Æ¥óµo¥Í®É°µ¾A·íªº³B²z (¨Ò¦p¤À§O±Ò°Ê <CODE>shutdown</CODE> µ{§Ç¤Î°±¤î¥¿¦b°õ¦æªº
<CODE>shutdown</CODE> µ{§Ç)¡C</LI>
</UL>
<P>
<H2><A NAME="ss5.2">5.2 ³oÀ³¸Ó¬O°µ¤°»ò¤u§@ªº?</A>
</H2>

<P>
<P>
<DL>
<DT><B>UPS ªº¤u§@</B><DD><P>·í¹q¤O®ø¥¢®É¡A UPS «ùÄò¨ÑÀ³¹q¸£©Ò»Ýªº¹q¤O¡A
¨Ã¥H°e¥X­«¸m°T¸¹©Î¬O¦b¥¦ªº±±¨îªú¤W¥´¶}³s±µ°T¸¹¥H³qª¾¹q¸£¹q¤O®ø¥¢¤F¡C
<P>
<DT><B>°T¸¹Æl½uªº¤u§@</B><DD><P>°T¸¹Æl½u¬O³]­p¬°·í UPS °e¥X­«¸m°T¸¹®É¡A·|¨Ï±o¯S®íªº§Ç¦Cªú±±¨î±µ¸}
(°ò¥»¤W¬O <CODE>DCD</CODE>) ¥X²{°ª¹q¦ì¡C
<P>
<DT><B>Powerd ªº¤u§@</B><DD><P><CODE>powerd</CODE> µ{¦¡­t³dºÊµø§Ç¦Cªú¡C¥¦«O«ùµÛ UPS ©Ò»Ý¦Ó¤É°ª / 
­°§C§Ç¦Cªú±±¨î±µ¸}ªº°ª / §C¹q¦ì (°ò¥»¤W¡A <CODE>DTR</CODE>
±µ¸}¥²¶·«O«ù¦b°ª¹q¦ì¥BÃö³¬ UPS ªº±µ¸}¥²¶·«O«ù¦b§C¹q¦ì) ¡C·í <CODE>powerd</CODE>
µoı±±¨î±µ¸}Åܦ¨°ª¹q¦ì¡A¥¦·|¦b <CODE>/etc/powerfail</CODE> Àɤ¤¼g¤J
<CODE>FAIL</CODE> ³o­Ó¦r¨Ã°e <CODE>SIGPWR</CODE> °T¸¹µ¹ <CODE>init</CODE> ¦æµ{¡C
·í±±¨î±µ¸}¦A¦¸Åܦ^§C¹q¦ì®É¡A¥¦·|¦b <CODE>/etc/powerfail</CODE> 
Àɤ¤¼g¤J <CODE>OK</CODE> ³o­Ó¦r¨Ã°e <CODE>SIGPWR</CODE> °T¸¹µ¹ <CODE>init</CODE> ¡C
<P>
<DT><B>Init ªº¤u§@ (°£¤W­z¤§¥~¥¦­t³d©Ò¦³ªº¤u§@)</B><DD><P>·í¥¦±µ¨ì¤F <CODE>SIGPWR</CODE> °T¸¹¡A¥¦·|Àˬd <CODE>/etc/powerfail</CODE> ÀÉ¡C
¦pªGùØÀY¬O <CODE>FAIL</CODE> ³o­Ó¦r²´¥¦·|°õ¦æ <CODE>/etc/inittab</CODE>
Àɤ¤ <CODE>powerfail</CODE> ¨º¤@¦æªº«ü¥O¡C¦pªGùØÀY¬O <CODE>OK</CODE> 
³o­Ó¦r¥¦«h°õ¦æ <CODE>inittab</CODE> Àɤ¤ <CODE>powerokwait</CODE> ¨º¤@¦æªº«ü¥O¡C
<P>
</DL>
<P>
<H2><A NAME="ss5.3">5.3 ¦p¦ó³]©w¦n©Ò¦³ªº¤u§@</A>
</H2>

<P>
<P>¥H¤U§Ú­Ì°²³]±z¦³¤@±ø¥i¥H©M <CODE>powerd</CODE> ¥¿±`¤u§@ªº°T¸¹Æl½u¡C
¦pªG±z¤£½T©w±zªº°T¸¹Æl½u¬O§_¥i¥H¤u§@ (©Î¥¦¦p¦ó¤u§@)¡A½Ð°Ñ¦Ò
<A HREF="UPS-HOWTO-6.html#hacking">°T¸¹Æl½u¤Ï¦V¤ÀªR¤Î­×§ï power.c</A>
¤@¸`¡A¨º¨à¦³Ãö©ó¤Ö¨£ªº°T¸¹Æl½u³B²z¤Î­«·s³]©w <CODE>powerd.c</CODE> ªº¸ê°T¡C
<A HREF="UPS-HOWTO-6.html#hacking">°T¸¹Æl½u¤Ï¦V¤ÀªR¤Î­×§ï power.c</A><@ref>serial-port§Ç¦Cªú±µ¸}ªº«ü©w</A> ¤Î
<A HREF="UPS-HOWTO-6.html#hacking">°T¸¹Æl½u¤Ï¦V¤ÀªR¤Î­×§ï power.c</A><@ref>serial-port§Ç¦Cªú±µ¸}ªº«ü©w</A><@ref>ioctl¦³ÃöŪ¼g RS232</A> ³o¨â¸`¤]±N¹ï±z¦³À°§U¡C
<P>¦pªG±z»Ý­n»s§@¤@±ø°T¸¹Æl½u¡A½Ð¨£ 
<A HREF="UPS-HOWTO-6.html#make-cable">¦p¦ó»s§@°T¸¹Æl½u</A> ªº¸Ô²Ó»¡©ú¡A¥H¤Î 
<A HREF="UPS-HOWTO-6.html#make-cable">¦p¦ó»s§@°T¸¹Æl½u</A><@ref>ups-specificUPS ¸ê®Æ¸`¿ï</A> ¤@¸`¤¤¦³Ãö±zªº UPS ªº¤p¸`¡C
«áªÌ¥i¯à¤]¥]§t¤F»s³y°Ó©Ò´£¨Ñªº°T¸¹Æl½uªº¬ÛÃö¸ê°T¡C
©Î³\±zÀ³¦Ü¤Ö±N 
<A HREF="UPS-HOWTO-6.html#make-cable">¦p¦ó»s§@°T¸¹Æl½u</A><@ref>ups-specificUPS ¸ê®Æ¸`¿ï</A><@ref>ups-specificUPS ¸ê®Æ¸`¿ï</A>
¤¤©Ò¦³ªº¤p¸`ÂsÄý¹L¤@¹M¡A¦]¬°¨C¤@¤p¸`³£·|¦³¤@¨ÇÃB¥~ªº¤@¯ë©Ê¸ê®Æ¯à¹ï±z¦³À°§U¡C
<P>
<UL>
<LI>­×§ï <CODE>/etc/inittab</CODE> ÀÉ¡C¼g¤J¹³¥H¤Uªº¤º®e:

<PRE>
# What to do when power fails (Halt system &amp; drain battery :):
pf::powerfail:/etc/powerfailscript +5

# If power is back before shutdown, cancel the running shutdown.
pg:0123456:powerokwait:/etc/powerokscript
   
</PRE>

</LI>
<LI>¼g <CODE>/etc/powerfailscript</CODE> ¤Î <CODE>/etc/powerokscript</CODE>
³o¨â­Ó script ÀɤÀ§O¦b¤­¤ÀÄÁ (©Î¨ä¥L±z³ßÅwªº®É¶¡) 
¤§¤º¶i¦æÃö¾÷¤Î°±¤î¥ô¦ó¦s¦bªº <CODE>shutdown</CODE> µ{§Ç¡C
¨Ì±z©Ò¥Îªº <CODE>shutdown</CODE> µ{¦¡ª©¥»ªº¤£¦P¡A
¥¦¥i¯à·|¬Û·í³æÂ²¥H¦Ü©ó±z®Ú¥»¤£»Ý¨Ï¥Î script ÀÉ¡A©ÎªÌ¬O¤@¦æ <CODE>bash</CODE>
ªº script Àɹ³¬O¥H¤U³o¤@¦æ:

<PRE>
    kill `ps -aux | grep "shutdown" | grep -v grep | awk '{print $2}'`
</PRE>

      
(¬°¤FÁ×§K±z§Ë¿ù¡A¤W¤@¦æ¤¤²Ä¤@­Ó³æ¤Þ¸¹¬O¤Ï¦V³æ¤Þ¸¹¡A²Ä¤G¤Î²Ä¤T­Ó¬O³æ¤Þ¸¹¡A
¦Ó³Ì«á¤@­Ó«h¬°¤Ï¦V³æ¤Þ¸¹¡C)
</LI>
<LI>¥Î¥H¤Uªº©R¥O§i¶D <CODE>init</CODE> ­«·sŪ¨ú <CODE>inittab</CODE> Àɤ¤ªº³]©w:


<PRE>
    telinit q
   
</PRE>

</LI>
<LI>½së® rc.local Àɦb¶}¾÷®É°õ¦æ <CODE>powerd</CODE> ¡C¨ä»yªk¦p¤U:

<PRE>
    powerd &lt;line>
    
</PRE>


¨ä¤¤¡A½Ð±z¦Û¦æ±N <CODE>&lt;line&gt;</CODE> ³o­Ó¦r´À´«¦¨ modem 
©Ò³s±µªº§Ç¦Cªú¦W¡A¹³¬O <CODE>/dev/cua1</CODE>¡C
</LI>
<LI>±N¹q¸£ªº§Ç¦Cªú»P UPS ªº°T¸¹Æl½u¬Û³s¡C½Ð¥ý¤£­n±N¹q¸£ªº¹q·½ª½±µ±µ¨ì 
UPS ¤W¡C
    </LI>
<LI>±N¤@­Ó¥ú·½ (¦p¿Oªw) ±µ¨ì UPS ¤W¡C
</LI>
<LI>°õ¦æ <CODE>powerd</CODE>¡C
</LI>
<LI>¨Ì·Ó¥H¤Uªº¨BÆJ¶i¦æ´ú¸Õ:
<UL>
<LI>©Þ±¼ UPS ªº´¡ÀY¡C
<UL>
<LI>Àˬd¸Ó¿Oªw¬O§_¤´µM«GµÛ¡C</LI>
<LI>Àˬd <CODE>/etc/powerfailscript</CODE> ¬O§_¤w¶}©l°õ¦æ¡C</LI>
<LI>Àˬd <CODE>shutdown</CODE> ¬O§_¥¿¦b°õ¦æ¡C</LI>
</UL>
</LI>
<LI>±µ¦^ UPS ªº´¡ÀY¡C
<UL>
<LI>Àˬd¸Ó¿Oªw¬O§_¤´µM«GµÛ¡C</LI>
<LI>Àˬd <CODE>/etc/powerokscript</CODE> ¬O§_¤w¶}©l°õ¦æ¡C</LI>
<LI>Àˬd <CODE>/etc/powerfailscript</CODE> ¬O§_¤w°±¤î°õ¦æ¡C</LI>
<LI>Àˬd <CODE>shutdown</CODE> ¬O§_¤w°±¤î°õ¦æ¡C</LI>
</UL>
</LI>
<LI>¦A¦¸©Þ±¼ UPS ªº´¡ÀY¡C©ñµÛ¤£¥hºÞ¥¦¨Ã½T©w¹q¸£¦b¤@¬q®É¶¡«á
¥i¥H¥¿±`Ãö¾÷¡C
</LI>
<LI><B>¦MÀI¨BÆJ¡C</B> ¦b©Ò¦³ªº¨BÆJ¬Ý°_¨Ó³£¥¿±`¤§«á¡A
±N¹q¸£¹q·½Ãö³¬¨Ã±N¹q¸£ªº¹q·½±µ¨ì UPS ¤W¡C½Ð°õ¦æ¤@­Ó script
¤j¬ù¨C¬íÄÁ°µ¤@¦¸ sync µwºÐ¸ê®Æ¦^¦sªº°Ê§@¡A¦P®É¤]¶]¥t¤@­Ó script
«ùÄò¥H find «ü¥O·j´M¾ãÁûµwºÐ¡C¨ä¤¤²Ä¤@­Ó script 
¬O¬°¤F½T«O¦w¥þ¡A¦Ó²Ä¤G­Ó«h¬O§Uªø¹q¤Oªº®ø¯Ó¡C²{¦b¡A±N UPS
ªº´¡ÀY©Þ¥X¡A¦A¦¸Àˬd <CODE>shutdown</CODE> ¬O§_¤w¦b¹B§@¡A¨Ãµ¥«Ý¤@¬q®É¶¡¡C
½T©w¹q¸£¦b UPS ªº¹q¤O¥Î§¹«e§¹¥þ¦aÃö¾÷¡C¦¹¤@¨BÆJ¬O«Ü¦MÀIªº¡A
¦]¬°¦pªG UPS ªº¹q¤O¦b¹q¸£§¹¦¨Ãö¾÷¤§«e¥ý¥Î§¹¤F¡A
±zªºÀɮרt²Î±N·|¨ü·l¡A¥B±z±N¥i¯à¥á¥¢¤@¨ÇÀɮסC
±z¥i¯à¦b¶i¦æ³o¶µ´ú¸Õ¤§«e·|·Q­n³Æ¥÷±z©Ò¦³ªºÀɮסA
¨Ã±N¶}©lÃö¾÷ªº®É¶¡³]µu¤@ÂI¥H¶}©l³o¶µ´ú¸Õ¡C</LI>
</UL>
</LI>
</UL>
<P>®¥³ß±z! ±zªº Linux ¨t²Î²{¦b¤w¦b UPS ªº«OÅ@¤U¡A
¥B¥¦±N·|¦b¹q¤O¯ÓºÉ¤§«e¦w¥þ¦aÃö¾÷¤F¡C
<P>
<P>
<H2><A NAME="ss5.4">5.4 ¶i¤@¨Bªº§ïµ½</A>
</H2>

<P>
<P>
<UL>
<LI>­×§ï <CODE>powerd.c</CODE> ¨Ï¥¦¦bºÊµø UPS ªº°T¸¹½u®É¯à±oª¾¹q¦À¹q¤O¤w®z¡C
·í¹q¤O·L®z®É¡A°¨¤W¶i¦æºò«æÃö¾÷µ{§Ç¡C</LI>
<LI>­×§ïÃö¾÷µ{§Ç¨Ï¥¦¦b <CODE>powerfail</CODE> ±¡ªp¤UÃö¾÷®É¡A
¯à°÷¦b§¹¦¨©Ò¦³¤u§@¤§«á±N UPS Ãö±¼¡C</LI>
</UL>
<P>
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<H2><A NAME="s6">6. µwÅ骺ª`·N¨Æ¶µ</A></H2>

<P>
<H2><A NAME="make-cable"></A> <A NAME="ss6.1">6.1 ¦p¦ó»s§@°T¸¹Æl½u</A>
</H2>

<P>¥»¸`ªº¤º®e¥u¬O¨Ç§Ú¦bºô¸ô¤W¬Ý¨ìªº¸ê°T¡C§Ú¨Ã¨S¦³¿Ë¦Û¸Õ¹L¡A
©Ò¥H§ÚµLªk¨Ì§Úªº¸gÅç¼g¤U¨Ó¡C¦pªG¦³¤H¦³¸gÅç¡A³Â·Ð±z¬°§Ú¼g³o¤@¸` :)¡C
¦P®É¤]½Ð±z°Ñ¦Ò 
<@ref>gps1000ACCODATA ªº GPS1000</A> ¤¤¦³Ãö 
GPS1000 ªº¸ê®Æ¡A¤£¥²»¡¡A
<@ref>gps1000ACCODATA ªº GPS1000</A><@ref>ups-specificUPS ¸ê®Æ¸`¿ï</A>
³o¤@¸`¤¤©Ò¦³¯S®í UPS ªº¸ê®Æ¤]¬O­È±o°Ñ¦Òªº¡C
<P>
<PRE>
   >From miquels@caution.cistron.nl.mugnet.org Wed Jul 21 14:26:33 1993
   Newsgroups: comp.os.linux
   Subject: Re: UPS interface for Linux?
   From: miquels@caution.cistron.nl.mugnet.org (Miquel van Smoorenburg)
   Date: Sat, 17 Jul 93 18:03:37
   Distribution: world
   Organization: Cistron Electronics.

   In article &lt;1993Jul15.184450.5193@excaliber.uucp>
   joel@rac1.wam.umd.edu (Joel M. Hoffman) writes:
   > §Ú¥¿¥´ºâ­nÁʶR UPS (¤£Â_¹q¨t²Î)¡A§Úª`·N¨ì¦³¨Ç¨ã¦³ LAN ªº¤¶­±¡A
   > ¥i¥H¦b°±¹q®É¦V LAN °e°T¸¹¡C
   >
   > ¦Ó Linux ¦³¨S¦³³o¼Ëªº¤¶­±©O?
   >
   > ÁÂÁ±zªº¦^µª¡C
   >
   >-Joel
   >(joel@wam.umd.edu)
   >

   ·í§Ú¦b­×§ï¤W¤@ª©ªº SysVinit ®É (²{¦bªºª©¥»¬O 2.4)¡A
   ¨º®É§Úªº¹q¸£¦³¤@­Ó UPS ¡A©Ò¥H§Ú¥[¤J¤F¹ï¥¦ªº¤ä´©¡C
   ±z¤]³\¤w¦b³Ìªñªº¤@­Ó &lt;signal.h> ¼ÐÀYÀɤ¤¬Ý¨ì¤F #define SIGPWR 30
   ³o¤@¦æ :-)¡CÁ`¤§¡A§Ú¨Ã¨S¦³¨º­Ó¯S®íªº¤¶­±¡A¦ý¤j¦h¼Æªº UPS
   ¬O¾a²£¥Í©Î¤¤Â_¤@­Ó¹q·½¤¤Â_°T¸¹¦b¹B§@ªº¡C
   §Ú·Q¨ì¤@­Ó²³æªº¤è¦¡¥i¥H±N¥¦ªº°T¸¹½u³s±µ¨ì¹q¸£°T¦Cªúªº DCD
   ±µ¸}¡C¦b SysVinit ®M¥ó¤¤¦³¤@­Ó¥s°µ 'powerd' 
   ªº±`¾nµ{¦¡¥i¥H°lÂܨúʵø¸Ó°T¸¹½u¡A·í°T¸¹ªºª¬ºA§ïÅܮɥ¦·|°e¤@­Ó SIGPWR
   ªº°T¸¹µ¹ init µ{¦¡¡A¦]¦¹ init «K¥i¥H±Ä¨ú¾A·íªº¦æ°Ê (¹³¬O¦b 5
   ¤ÀÄÁ¤§«áÅý¨t²ÎÃö¾÷) ¡C¦p¦ó±N°T¸¹½u»P UPS ¬Û³s¦b "powerd.c"
   ¤w¦³»¡©ú¡A¦ý§ÚÁÙ¬O¹Ï¥Ü¦p¤U¥H°µ¬°¸ÑÄÀ:


                        +------------------------o  DTR
                        |
                      +---+
                      |   | resistor
                      |   | 10 kilo-Ohm
                      |   |
                      +---+                                To serial port.
                        |
          +-----o-------+------------------------o  DCD
          |             |
          o  UPS        |
        \    relais     |
         \              |
          |             |
          +-----o-------+------------------------o  GND

   µe±oÁÙ¥i¥H¶Ü?

   §Æ±æ³o¼Ë·|¦³À°§U¡C

   SysVinit ¥i¥H¦b sunsite (©Î¥i¯à¦b tsx-11) ¤U§ä¨ì¡AÀɦW¬O 
   SysVinit2.4.tar.z ¡C

   Mike.

   --

   Miquel van Smoorenburg, &lt;miquels@cistron.nl.mugnet.org>
   Ibmio.com: cannot open CONFIG.SYS: file handle broke off.


   >From danny@caution.cistron.nl.mugnet.org Wed Jul 21 14:27:04 1993
   Newsgroups: comp.os.linux
   Subject: Re: UPS interface for Linux?
   From: danny@caution.cistron.nl.mugnet.org (Danny ter Haar)
   Date: Mon, 19 Jul 93 11:02:14
   Distribution: world
   Organization: Cistron Electronics.

   In article &lt;9307174330@caution.cistron.nl.mugnet.org>
   miquels@caution.cistron.nl.mugnet.org (Miquel van Smoorenburg) writes:
   > ¦p¦ó±N°T¸¹½u»P UPS ¬Û³s¦b "powerd.c" ¤w¦³»¡©ú¡A
   > ¦ý§ÚÁÙ¬O¹Ï¥Ü¦p¤U¥H°µ¬°¸ÑÄÀ:

   ¸Ó¹Ï¥Ü¨Ã¤£¤Q¤À²M·¡¡A½Ð§ï¥Î¥H¤Uªº¹Ï¥Ü!
   >
   >                     +------------------------o  DTR
   >                     |
   >                   +---+
   >                   |   | resistor
   >                   |   | 10 kilo-Ohm
   >                   |   |
   >                   +---+                                To serial port.
   >                     |
   >       +-----o-------+------------------------o  DCD
   >       |
   >       o  UPS
   >     \    relais
   >      \
   >       |
   >       +-----o--------------------------------o  GND
   >

   ¨ä¤¤ DTR ±µ¸}¬O«O«ù¦b°ª¹q¦ì¡A«h·í UPS ªº¥~¬É¿é¤J¹q·½®ø¥¢®É¡A
   ¨º­Ó¶}Ãö (relais) ·|Ãö³¬¡C¦Ó¹q¸£«K¬OºÊµø DCD ¿é¤J±µ¸}¡Aµ¥µÛ¥¦Åܦ¨§C¹q¦ì¡C
   ·í¨Æ±¡µo¥Í®É¥¦±N·|±Ò°ÊÃö¾÷µ{§Ç ...

   _____
   Danny

   --
   &lt;=====================================================================>
   Danny ter Haar  &lt;dannyth@hacktic.nl> or &lt;danny@cistron.nl.mugnet.org>
   Robins law #103: 'a couple of lightyears can't part good friends'
</PRE>
<P>
<H2><A NAME="hacking"></A> <A NAME="ss6.2">6.2 °T¸¹Æl½u¤Ï¦V¤ÀªR¤Î­×§ï power.c</A>
</H2>

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<H1>¤¤¤å UPS Howto</H1>

<H2>Harvey J. Stein, 
<A HREF="mailto:abel@netvision.net.il">abel@netvision.net.il</A>, Berger Financial Research, Ltd.</H2>v2.02, 31 March 1997
<P><HR>
<EM>¥»¤å¯àÀ°§U±z±N Linux ¨t²Î³s±µ¨ì¤£Â_¹q¨t²Î (uninterruptable power supply, UPS)...
¦pªG©¯¹Bªº¸Ü ....
ª©ÅvÁn©ú:
Copyright (c) 1994, 1995, 1996, 1997 by Harvey J. Stein.  You may use
this document as you see fit, as long as it remains intact.  In
particular, this notice (along with the contributions below) must
remain untouched.</EM>
<HR>
<P>
<H2><A NAME="toc1">1.</A> <A HREF="UPS-HOWTO-1.html">²¤¶</A></H2>

<UL>
<LI><A HREF="UPS-HOWTO-1.html#ss1.1">1.1 ¦³°^Ämªº¤H­Ì</A>
<LI><A HREF="UPS-HOWTO-1.html#ss1.2">1.2 ½Ð¯S§Oª`·N</A>
<LI><A HREF="UPS-HOWTO-1.html#ss1.3">1.3 ¨ä¥Lªº¤å¥ó</A>
</UL>
<P>
<H2><A NAME="toc2">2.</A> <A HREF="UPS-HOWTO-2.html">½Ðª`·N¤w¹L®Éªº¸ê°T</A></H2>

<P>
<H2><A NAME="toc3">3.</A> <A HREF="UPS-HOWTO-3.html">Áo©úªº»P³æ½Õªº UPS</A></H2>

<P>
<H2><A NAME="toc4">4.</A> <A HREF="UPS-HOWTO-4.html">³nÅé</A></H2>

<P>
<H2><A NAME="toc5">5.</A> <A HREF="UPS-HOWTO-5.html">¦Û¤v°Ê¤â«ü«n</A></H2>

<UL>
<LI><A HREF="UPS-HOWTO-5.html#ss5.1">5.1 ±z©Ò»Ýªº¤u§@ (Á`µ²)</A>
<LI><A HREF="UPS-HOWTO-5.html#ss5.2">5.2 ³oÀ³¸Ó¬O°µ¤°»ò¤u§@ªº?</A>
<LI><A HREF="UPS-HOWTO-5.html#ss5.3">5.3 ¦p¦ó³]©w¦n©Ò¦³ªº¤u§@</A>
<LI><A HREF="UPS-HOWTO-5.html#ss5.4">5.4 ¶i¤@¨Bªº§ïµ½</A>
</UL>
<P>
<H2><A NAME="toc6">6.</A> <A HREF="UPS-HOWTO-6.html">µwÅ骺ª`·N¨Æ¶µ</A></H2>

<UL>
<LI><A HREF="UPS-HOWTO-6.html#ss6.1">6.1 ¦p¦ó»s§@°T¸¹Æl½u</A>
<LI><A HREF="UPS-HOWTO-6.html#ss6.2">6.2 °T¸¹Æl½u¤Ï¦V¤ÀªR¤Î­×§ï power.c</A>
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