Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Linux GRUB ·½Ê½Çл»Æô¶¯¼¶±ð(runlevel)

    ÊÂÒòÐÞ¸ÄÁËij¸öÅäÖÃÎļþ£¬µ¼ÖÂϵͳÆô¶¯Ä³¸ö·þÎñµÄʱºòholdסÁË£¬ÏµÍ³Æô¶¯²»ÆðÀ´¡£ÕâÖÖÇé¿öϳ£³£Í¨¹ýÐ޸ıíÆô¶¯¼¶±ð£¬Çл»µ½·ÇxwindowģʽÏÂÖØÐÂÆô¶¯£¬Ò»°ãѡȡÆô¶¯¼¶±ðrunlevelΪ3¼´¿É¡£
²Î¿¼»·¾³£ºRedhat Enterprise Linux AS 4
²½Ö裺
1.µ±LinuxÆô¶¯Ê±£¬°´ e  ½øÈ¥²ÎÊýÑ¡Ôñ±à¼­½çÃæ£º
2.ÒÆ¶¯¹â±êÑ¡ÖÐϵͳ£¨Red Hat Enterprise Linux AS (2.6.9-55.ELsmp)£©£¬°´ e£º
3.ÒÆ¶¯¹â±êÑ¡ÖУ¨kernel /vmlinuxz-2.6.9-55.ELsmp ro root=LABEL=/ rhgb quiet£©£º
4.ÐÞ¸ÄrhgbΪ3£¬È»ºó°´enter¼ü£º
5.Ñ¡ÖУ¨kernel /vmlinuxz-2.6.9-55.ELsmp ro root=LABEL=/ 3 quiet£©£¬°´ b£¬ ϵͳÔò½øÈ¥Æô¶¯³ÌÐò¡£
×¢£¬µ±ÏµÍ³rebootʱ£¬»á×Ô¶¯Çл»µ½xwindowsÆô¶¯·½Ê½µÄrunlevel£¨5£©£»
Áí£¬Èç¹ûÄܽøÈ¥ÏµÍ³£¬ »òÕßÄÜÆô¶¯sshd·þÎñ£¬Ôòͨ¹ýÐÞ¸Ä/etc/inittab Îļþ¸ü¸Ärunlevel¡£
Òź¶µÄÊÇÔÝʱÎÞ·¨ÉÏ´«Í¼Æ¬£¬¸÷¸ö²½ÖèµÄ½ØÍ¼Ö»ÄܸéÏÂÁË¡«¡«
²Î¿¼£º
Runlevel  System State
0  Halt the system
1   Single user mode
2  Basic multi user mode
3  Multi user mode
5  Multi user mode with GUI
6  Reboot the system
S, s  Single user mode


Ïà¹ØÎĵµ£º

ʵսLinux Bluetooth±à³Ì£¨Èý£© HCI²ã±à³Ì

1. HCI²ãЭÒé¸ÅÊö£º
HCIÌṩһÌ×ͳһµÄ·½·¨À´·ÃÎÊBluetoothµ×²ã¡£ÈçͼËùʾ£º
´ÓͼÉÏ¿ÉÒÔ¿´³ö£¬Host Controller Interface(HCI)  ¾ÍÊÇÓÃÀ´¹µÍ¨HostºÍModule¡£Hostͨ³£¾ÍÊÇPC£¬ ModuleÔòÊÇÒÔ¸÷ÖÖÎïÀíÁ¬½ÓÐÎʽ£¨USB,serial,pc-cardµÈ£©Á¬½Óµ½PCÉϵÄbluetooth Dongle¡£
ÔÚHostÕâÒ»¶Ë£ºapplication,SDP,L2capµÈЭÒé ......

ʵսLinux Bluetooth±à³Ì(Áù) L2CAP±à³ÌʵÀý

ÀýÒ»£º·¢ËÍSignaling Packet£º
Signaling CommandÊÇ2¸öBluetoothʵÌåÖ®¼äµÄL2CAP²ãÃüÁî´«Êä¡£ËùÒÔµÃSignaling CommandʹÓÃCID 0x0001.
¶à¸öCommand¿ÉÒÔÔÚÒ»¸öC-frame£¨control frame£©Öз¢ËÍ¡£
 Èç¹ûÒªÖ±½Ó·¢ËÍSignaling Command.ÐèÒª½¨Á¢SOCK_RAWÀàÐ͵ÄL2CAPÁ¬½ÓSocket¡£ÕâÑù²ÅÓлú»á×Ô¼ºÌî³äCommand Code£¬Identi ......

ʵսLinux Bluetooth±à³Ì (Æß) SDPЭÒé

Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
·þÎñ·¢ÏÖЭÒé(SDP»òBluetooth SDP)ÔÚÀ¶ÑÀЭÒéÕ»ÖжÔÀ¶ÑÀ»·¾³ÖеÄÓ¦ÓóÌÐòÓÐÌØÊâµÄº¬Ò⣬·¢ÏÖÄĸö·þÎñÊÇ¿ÉÓõĺÍÈ·¶¨ÕâЩ¿ÉÓ÷þÎñµÄÌØÕ÷¡£SDP¶¨ÒåÁËbluetooth client·¢ÏÖ¿ÉÓÃbluetooth server·þÎñºÍËüÃǵÄÌØÕ÷µÄ·½·¨¡£ ......

LinuxÉ豸ģÐÍÖ®input×ÓϵͳÏê½â

Ò»£ºÇ°ÑÔ
×î½üÔÚÑо¿androidµÄsensor driver£¬Ö÷ÒªÊÇE-compass£¬ÆäÖÐÓõ½ÁËLinux input×Óϵͳ.ÔÚÍøÉÏÒ²¿´Á˺ܶàÕâ·½ÃæµÄ×ÊÁÏ£¬¸Ð¾õ»¹ÊÇÕâÆª·ÖÎöµÄ±È½ÏϸÖÂ͸³¹£¬Òò´Ë×ªÔØÒ»ÏÂÒÔ±ã×Ô¼ºÑ§Ï°£¬Í¬Ê±ºÍ´ó¼Ò·ÖÏí£¡
£¨ÕâÆª²©¿ÍÖ÷ÒªÊÇÒÔ¼üÅÌÇý¶¯ÎªÀýµÄ£¬²»¹ý½²½âµÄÊÇLinux Input Subsystem£¬¿ÉÒÔ×ÐϸµÄÑо¿Ò»Ï£¡£©
¼üÅÌÇý¶¯½«¼ì ......

linux¶àÏß³ÌÉè¼Æ(zz)

linux¶àÏß³ÌÉè¼Æ
¡¡¡¡1 ÒýÑÔ
¡¡¡¡Ị̈߳¨thread£©¼¼ÊõÔçÔÚ60Äê´ú¾Í±»Ìá³ö£¬µ«ÕæÕýÓ¦ÓöàÏ̵߳½²Ù×÷ϵͳÖÐÈ¥£¬ÊÇÔÚ80Äê´úÖÐÆÚ£¬solarisÊÇÕâ·½ÃæµÄٮٮÕß¡£´«Í³µÄUnixÒ²Ö§³ÖÏ̵߳ĸÅÄµ«ÊÇÔÚÒ»¸ö½ø³Ì£¨process£©ÖÐÖ»ÔÊÐíÓÐÒ»¸öỊ̈߳¬ÕâÑù¶àÏ߳̾ÍÒâζ×Å¶à½ø³Ì¡£ÏÖÔÚ£¬¶àÏ̼߳¼ÊõÒѾ­±»Ðí¶à²Ù×÷ϵͳËùÖ§³Ö£¬°üÀ¨Windows/NT£ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ