Ùı Ô ÙàÙÔÛà- Xakep Online
Ùı Ô ÙàÙÔÛà- Xakep Online
Ùı Ô ÙàÙÔÛà- Xakep Online
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íîóò ïðàêòè÷åñêè ãàðàíòèðîâàííî óìååò çàñûïàòüïîä FreeBSD. Òàê êàê äàííàÿ òåõíîëîãèÿâîçëàãàåò âñå òîíêîñòè ðàáîòû íà BIOS,âìåøàòåëüñòâî îïåðàöèîíêè òðåáóåòñÿ ìèíèìàëüíîå,è, ñóäÿ ïî ñîîáùåíèÿì â ñïèñêàõðàññûëêè, âñå îáëàäàòåëè íîóòîâ ñ ôè-÷åé s4bios íå èìåëè ïðîáëåì ñ ñóñïåíäîì.ACPI ACTIONS È FREEBSDÂî ôðÿõå íåò òàêîãî óäîáíîãî äåìîíà, êàêacpid. Âïðî÷åì, freebsd-folks ïî ýòîìó ïîâîäóîñîáî íå êîìïëåêñóþò, ó íèõ åñòü ñâîÿàëüòåðíàòèâà - devd. Äåìîí, ðåàãèðóþùèéíà èçìåíåíèÿ ñîñòîÿíèÿ óñòðîéñòâ è ïîçâîëÿþùèéçàïóñêàòü ïðîãè â îòâåò íà ðàçëè÷íûåñîáûòèÿ ÿäðà, íàó÷èëñÿ îòðàáàòûâàòüacpi-events. Âêëþ÷àåì devd ïðè çàãðóçêå:# vi /etc/rc.confdevd_enable="YES"Ïåðåçàãðóçêè íå ïîòðåáóåòñÿ áëàãîäàðÿíîâîé ñèñòåìå óïðàâëÿþùèõ ñêðèïòîâ rc-NG, ïîçàèìñòâîâàííîé ó NetBSD, çàïóñêàòüè îñòàíàâëèâàòü ñëóæáû òåïåðü ïðîùå ïðîñòîãî:# /etc/rc.d/devd startÊîíôèãóðàöèîííûé ôàéë /etc/devd/conf,êàê ãîâîðÿò â òàêèõ ñëó÷àÿõ, self-explanatory.Îí ñîñòîèò èç ñåêöèé "ñèñòåìà - ïîäñèñòåìà- äåéñòâèå", íàïðèìåð, ÷òîáû ðåãóëèðîâàòüÿðêîñòü âñå òîãî æå íåñ÷àñòíîãî ìîíèòîðà âçàâèñèìîñòè îò èñòî÷íèêà ïèòàíèÿ, íàì íóæíîíàïèñàòü:# vi /etc/devd/confnotify 10 {};match "system"match "subsystem"action "/root/scripts/acpid.sh";"ACPI";"ACAD"Çäåñü ñèñòåìà - ACPI, ïîäñèñòåìà - ïèòàíèå,è êàê òîëüêî â íåé ôèêñèðóåòñÿ èçìåíåíèåñîñòîÿíèÿ (íàïðèìåð, âîòêíóëè øíóðîê âðîçåòêó), çàïóñêàåòñÿ ñïåöèàëüíûé ñêðèïòñëåäóþùåãî ñîäåðæàíèÿ:# vi /root/scripts/acpid.sh#!/bin/shSTATE=`sysctl hw.acpi.acline | awk '{print $2}'`SB="/usr/local/bin/setbrightness"logger -t AC state changes at `date +'%Y%m%d %H:%M:%S'`online() {$SB 200sysctl hw.acpi.cpu.throttle_state=8}offline() {$SB 10sysctl hw.acpi.cpu.throttle_state=4}[ "$STATE" -eq 1 ] && online[ "$STATE" -eq 0 ] && offlineexit 0Ñîñòîÿíèå, àíàëîãè÷íîå ëèíóêñîâîìócharging/discharging, õðàíèòñÿ â sysctl-ïåðåìåííîéhw.acpi.acline (1 - â ñåòè, 0 - íà áàòàðåéêàõ);setbrightness - óòèëèòà êîíòðîëÿÿðêîñòè ìîíèòîðà èç ïàêåòà sjog;hw.acpi.cpu.throttle_state - ñîñòîÿíèå çàñûïàíèÿïðîöåññîðà, ÷åì îíî ìåíüøå, òåì ÷àùåïðîö áóäåò âèäåòü êîðîòêèå ñíû, òîðìîçÿðàáîòó, íî è ïðîäëåâàÿ âðåìÿ ðàáîòû îò àêêóìóëÿòîðà.ÈÍÒÅÐÔÅÉÑ PCMCIAPCMCIA - äîâîëüíî ñòàðûé èíòåðôåéñ äëÿïîäêëþ÷åíèÿ ìîáèëüíûõ óñòðîéñòâ. Òåì íåìåíåå, îí è ïî ñåé äåíü èñïîëüçóåòñÿ â íîóòáóêàõ,è àëüòåðíàòèâû åìó íå ïðåäâèäèòñÿ.Ìîæíî íàéòè ëþáîé äåâàéñ äëÿ íîóòáóêà,îò ìîäåìà äî Wi-Fi-êàðòî÷êè, â PCMCIAèñïîëíåíèè.Îáû÷íî â íèêñàõ PCMCIA íàçûâàþòïðîñòî PC-CARD.Âî FreeBSD äîñòàòî÷íî çàãðóçèòü ìîäóëècardbus èëè pccard äëÿ 32 èëè 16-áèòíîãîñëîòà ñîîòâåòñòâåííî. Åñëè ñëîò îïîçíàåòñÿ,òî ïðè çàãðóçêå ÿäðî ñîîáùèò ÷òî-òî âðîäå:pccard0: on pcic0Íî ýòîãî íåäîñòàòî÷íî. ×òîáû ðàáîòàòü ñóñòðîéñòâîì, îíî äîëæíî ñóùåñòâîâàòü, ïîýòîìóâ êîíôèãå ÿäðà íóæíî óêàçàòü êîëè÷åñòâîóñòðîéñòâ card (íå äóìàþ, ÷òî ó òåáÿáîëüøå îäíîãî PCMCIA-ðàçúåìà), à òàêæåäðàéâåð øèíû pc-card.device card 1device pcicÏîÿâèâøèéñÿ /dev/card0 ñèãíàëèçèðóåò îòîì, ÷òî òåïåðü ñ PCMCIA-ñëîòîì ìîæíî ðàáîòàòü.Êàê è â ëèíóõå, âî ôðå åñòü ñâîé userlandäåìîí,ðàáîòàþùèé ñ PCMCIA-êàðòàìè,pccardd. Çàäà÷è åãî òî÷íî òàêèå æå - îïîçíàòüêàðòî÷êó, âûäåëèòü åé äèàïàçîí ïàìÿòè,çàãðóçèòü ñîîòâåòñòâóþùèå ìîäóëè (íàïðèìåð,if_wi, åñëè PCMCIA-êàðòà ÿâëÿåòñÿáåñïðîâîäíîé ñåòåâóõîé íà ÷èïñåòå IntersilPrism2), ïðè âûòàñêèâàíèè êàðòû - êîððåêòíîçàäàóíèòü ñîîòâåòñòâóþùèå äåâàéñû. Èíôîðìàöèþî êàðòå äåìîí áåðåò èç êîíôèãàpccard.conf, ðàñïîëîæåííîãî ïî óìîë÷àíèþ â/etc/defaults/pccard.conf, êàê, íàïðèìåð, âñëó÷àå ñ rc.conf. Ôàéë /etc/pccard.conf ïîçâîëÿåòïåðåïèñûâàòü íàñòðîéêè ïî óìîë÷àíèþ,ñòàëî áûòü, âñå èçìåíåíèÿ íàäî âíîñèòüâ íåãî. Òèïè÷íàÿ çàïèñü êîíôèãà äëÿêàðòû:# vi /etc/pccard.conf# Linksys Instant Wireless WPC11 v2.5card "The Linksys Group, Inc." "Instant Wireless Network PCCard"config auto "wi" ?insert /etc/pccard_ether $device startremove /etc/pccard_ether $device stopÒàêèõ çàïèñåé ïî óìîë÷àíèþ íåñêîëüêîñîòåí, òàê ÷òî òâîÿ êàðòà íàâåðíÿêà òàì åñòü,è çíà÷èò, áóäåò îïîçíàíà by default. Åñëèíåò, òî òû ëåãêî ìîæåøü ïî àíàëîãèè ñîñòàâèòüñâîþ çàïèñü â /etc/pccard.conf, çíàÿ,êàêèå ìîäóëè íóæíû ê òâîåìó äåâàéñó. ×òîáûpccardd çàïóñêàëñÿ ïðè ñòàðòå ñèñòåìû,äîáàâü â rc.conf:pccard_enable="YES"ÌÎÁÈËÜÍÛÅ ÞÍÈÊÑÛ VOL. 2Êàê îáû÷íî, çà äðóãèìè îïöèÿìè startup'à îáðàùàåìñÿ â /etc/defaults/rc.conf - greppccard /etc/defaults/rc.conf. Îñòàâëÿþ èõ èçó-÷åíèå çà òîáîé. È íàêîíåö, óòèëèòà äëÿ ìîíèòîðèíãàè óïðàâëåíèÿ êàðòàìè - pccardc.ÖÅÍÒÐÈÍÎ?!Ìíîãèå óäèâÿòñÿ, êàê ÿ ìîã îáîéòè âíèìàíèåìíîâîìîäíóþ òåõíîëîãèþ Intel Centrino. Íåâäàâàÿñü â ïîäðîáíîñòè, ñêàæó, ÷òî òóò ïîêàþíèêñàì ëîâèòü íå÷åãî. Áåçóñëîâíî, è Linux,è FreeBSD óñòàíîâÿòñÿ íà íîóòáóê ñ Centrinoè áóäóò ðàáîòàòü áåç ïðîáëåì. È áåñïðîâîäíàÿñåòåâàÿ êàðòà - îäèí èç êîìïîíåíòîâ èíòåãðèðîâàííîéìèêðîñõåìû Centrino - áóäåòðàáîòàòü ïîä ýòèìè îñÿìè. Íî âîò ñàìîéâêóñíîé âîçìîæíîñòè, ðàäè êîòîðîé âñå èçàòåâàëîñü, - ýíåðãîñáåðåæåíèÿ, âîçìîæíîñòèðàáîòû îò àêêóìóëÿòîðà äî ñåìè ÷àñîâ -òû, óâû, íå ïîëó÷èøü. Ñêàæè ñïàñèáî êîðïîðàöèèIntel, êîòîðàÿ ïî÷òè ãîä çàæèìàëà ñïåöèôèêàöèèñâîåé òåõíîëîãèè îò OpenSourceðàçðàáîò÷èêîâ:).ÓÄÎÁÍÀß ÐÀÊÎÂÈÍÀ çàêëþ÷åíèå ñàãè ðàññêàæó î äâóõ ìåëî÷àõ.Åñëè òû ïðîäâèíóòûé ïîëüçîâàòåëü íèêñîâ,òî ó òåáÿ íàâåðíÿêà â ñòðîêå ïðèãëàøåíèÿêîìàíäíîãî èíòåðïðåòàòîðà ($PS1) ãîðèò íåïðîñòî user@host:/work/dir, à ÷òî-íèáóäü ïîëåçíîå.Äëÿ íîóòáóêà òàêîé ïîëåçíîé ôè÷åéáûëà áû èíäèêàöèÿ óðîâíÿ çàðÿäà áàòàðåè.×èòàåì ñïèñêè ðàññûëêè, ïîñâÿùåííûå ACPIFreeBSD âåòêè CURRENT83