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 Linux date ÃüÁî Ïê½â
Ãû³Æ : date
ʹÓÃȨÏÞ : ËùÓÐʹÓÃÕß
ʹ Ó÷½Ê½ : date [-u] [-d datestr] [-s datestr] [--utc] [--universal]
[--date=datestr] [--set=datestr] [--help] [--version] [+FORMAT]
[MMDDhhmm[[CC]YY][.ss]]
˵Ã÷ : date ÄÜÓÃÀ´ÏÔʾ»òÉ趨ϵͳµÄÈÕÆÚºÍʱ¼ä£¬ÔÚÏÔʾ·½Ã棬ʹÓÃÕßÄÜÉ趨ÓûÏÔʾµÄ¸ñʽ£¬¸ñʽÉ趨Ϊһ¸ö¼ÓºÅºó½ÓÊý¸ö±ê¼Ç£¬ÆäÖпÉÓõıê¼ÇÁбíÈçÏ :
ʱ¼ä·½Ãæ :
% : ´òÓ¡³ö%
%n : ÏÂÒ»ÐÐ
%t : Ìø¸ñ
%H : Сʱ(00..23)
%I : Сʱ(01..12)
%k : Сʱ(0..23)
%l : Сʱ(1..12)
%M : ·ÖÖÓ(00..59)
%p : ÏÔʾ±¾µØ AM »ò PM
%r : Ö±½ÓÏÔʾʱ¼ä (12 Ð¡Ê±ÖÆ£¬¸ñʽΪ hh:mm:ss [AP]M)
%s : ´Ó 1970 Äê 1 Ô 1 ÈÕ 00:00:00 UTC µ½Ä¿Ç°ÎªÖ¹µÄÃëÊý %S : Ãë(00..61)
%T : Ö±½ÓÏÔʾʱ¼ä (24 Ð¡Ê±ÖÆ)
%X : Ï൱ÓÚ %H:%M:%S
%Z : ÏÔÊ¾Ê±Çø
ÈÕÆÚ·½Ãæ :
%a : ÐÇÆÚ¼¸ (Sun..Sat)
%A : ÐÇÆÚ¼¸ (Sunday..Saturday)
%b : ÔÂ·Ý (Jan..Dec)
%B : ÔÂ·Ý (January..December)
%c : Ö±½ÓÏÔʾÈÕÆÚºÍʱ¼ä
%d : ÈÕ (01..31)
%D : Ö±½ÓÏÔʾÈÕÆÚ (mm/dd/yy)
%h : ͬ %b
%j : Ò»ÄêÖеĵڼ¸Ìì (001..366)
%m : ÔÂ·Ý (01..12)
%U : Ò»ÄêÖеĵڼ¸ÖÜ (00..53) (ÒÔ Sunday ΪһÖܵĵÚÒ»ÌìµÄÇéÐÎ)
%w : Ò»ÖÜÖеĵڼ¸Ìì (0..6)
%W : Ò»ÄêÖеĵڼ¸ÖÜ (00..53) (ÒÔ Monday ΪһÖܵĵÚÒ»ÌìµÄÇéÐÎ)
%x : Ö±½ÓÏÔʾÈÕÆÚ (mm/dd/yy)
%y : Äê·ÝµÄ×îºóÁ½Î»Êý×Ö (00.99)
%Y : ÍêÕûÄê·Ý (0000..9999)
ÈôÊDz»ÒÔ¼ÓºÅ×÷Ϊ¿ªÍ·£¬Ôò±íʾҪÉ趨ʱ¼ä£¬¶øÊ±¼ä¸ñʽΪ MMDDhhmm[[CC]YY][.ss]£¬
ÆäÖÐ MM ΪÔ·ݣ¬
DD ΪÈÕ£¬
hh ΪСʱ£¬
mm Ϊ·ÖÖÓ£¬
CC ΪÄê·ÝǰÁ½Î»Êý×Ö£¬
YY ΪÄê·ÝºóÁ½Î»Êý×Ö£¬
ss ΪÃëÊý
°Ñ¼Æ :
-d datestr : ÏÔʾ datestr ÖÐËùÉ趨µÄʱ¼ä (·Çϵͳʱ¼ä)
--help : ÏÔʾ¸¨ÖúѶϢ
-s datestr : ½«ÏµÍ³Ê±¼äÉèΪ datestr ÖÐËùÉ趨µÄʱ¼ä
-u : ÏÔʾĿǰµÄ¸ñÁÖÍþÖÎʱ¼ä
--version : ÏÔʾ°æ±¾±àºÅ
Àý×Ó :
ÏÔʾʱ¼äºóÌøÐУ¬ÔÙÏÔʾĿǰÈÕÆÚ : date +%T%n%D
ÏÔʾÔ·ݺÍÈÕÊý : date +%B %d
ÏÔʾÈÕÆÚºÍÉ趨ʱ¼ä(12:34:56) : date --date 12:34:56
ÉèÖÃϵͳµ±Ç°Ê±¼ä£¨12:34:56£©£ºdate --s 12:34:56
×¢ Òâ : µ±Ä㲻ϣÍû³öÏÖÎÞÒâÒåµÄ 0 ʱ(±ÈÈç˵ 1999/03/07)£¬ÔòÄÜÔÚ±ê¼ÇÖвåÈë - ·ûºÅ£¬±ÈÈç˵ date
+%-H:%-M:%-S »á°Ñʱ·ÖÃëÖÐÎÞÒâÒåµÄ 0 ¸øÈ¥µô£¬ÏñÊÇÔ­±¾µÄ 08:09:04 »á±äΪ 8:9:4¡£ÁíÍ⣬ֻÓÐÈ¡µÃȨÏÞÕß(±ÈÈç˵


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ʵսLinux Bluetooth±à³Ì£¨ËÄ£© L2CAP²ã±à³Ì

£¨L2CAPЭÒé¼ò½é£¬L2CAPÔÚBlueZÖеÄʵÏÖÒÔ¼°L2CAP±à³Ì½Ó¿Ú£©
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Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼­Á¬½Ó¿ØÖƺÍÊÊÅäЭÒé (L2CAP) ΪÉϲãЭÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àЭÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãЭÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......

ʵսLinux Bluetooth±à³Ì(Áù) L2CAP±à³ÌʵÀý

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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 ......

LinuxµÄδÀ´µ½µ×ÔÚ²»ÔÚGoogle£¿

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ÔÚlinuxÏÂÉèÖÿª»ú×Ô¶¯Æô¶¯³ÌÐòµÄ·½·¨

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./apachectl start
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#chmod +x /etc/rc.d/init.d/apached //ÉèÖÃÎļþµÄÊôÐÔΪ¿ÉÖ´ÐÐ
#ln -s /etc/rc.d/init.d/apached /etc/rc3.d/S90apache //½¨Á¢ÈíÁ¬½Ó,¿ì½Ý·½Ê½
#ln -s /etc/rc.d/init.d/a ......

start oracle with the linux opening

 1.ÐÞ¸Ä/etc/oratab £¬Ìí¼Ó$ORACLE_SID:$ORACLE_HOME:Y --
Y´ú±íOSÆô¶¯ÔòDBÆô¶¯±ØÐëÉèÖÃΪY£¬·ñÔòdbstartºÍdbstop²»¿ÉÓã¬NΪ²»Æô¶¯£¬$ORACLE_SIDÊÇDB
SID£¬$ORACLE_HOMEÊÇDB ¾ø¶Ô·¾¶
2.ÐÞ¸Ä/etc/rc.d/rc.loacl,¼ÓÈëÒÔÏ£º
#listener command
COMM_LISTENER=/opt/oracle/product/10.2.0/db_1/bin/lsnrctl
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