³õѧLinux»ýÀÛ¡£
2009-10-27
1£¬ÖØÆô reboot
2009-10-28
1,Íü¼ÇÁËrootÓû§ÃÜÂëµÄ½â¾ö°ï
Æô¶¯ºó°´esc½øÈëÐÞ¸´Ä£Ê½£¬Ñ¡ÔñÐÞ¸´£¬²¢Ñ¡Ôñ×îºóÒ»¸ö¡£root£¬½øÈ¥ºó£¬¸ü¸ÄÃÜÂ룺passwd root
È»ºó¸ù¾ÝÌáʾÊäÈëÁ½´ÎÃÜÂë¾ÍÐÐÁË¡£
2009-10-29
1,ls
ls -a ²é¿´ËùÓÐÎļþ
ls -l ²é¿´ÏêϸµÄÊôÐÔ
2,lsattr
²é¿´ÎļþµÄÀ©Õ¹ÊôÐÔ,
Èç¹ûÎļþ±»¡¡chattr +i Ìí¼ÓÁËд±£»¤,
ÓÃlsattr¿ÉÒÔ¿´µ½Ìí¼ÓµÄÊôÐÔ
3,file
²é¿´ÎļþµÄÀàÐÍ
4,stat
²é¿´ÎļþµÄ״̬
5£¬´ò°ü
tar -zcvf xx.tar.gz / www/ a b ¶à¸ö´ò°üÎļþÒѿոñ·Ö¿ª¡£×¢Ò⣺/ wwwÖ®¼äÒªÓпոñ
6£¬±¸·Ý
tar czvf - /root/code > /tmp/code_bak.tgz £¨½«/root/codeĿ¼ÏµÄËùÓгÌÐòÎļþ´ò°ü±¸·Ýµ½/tmp/code_bak.tgz£©
tar xzvf /tmp/code_bak.tgz /root/code £¨½«±¸·ÝµÄĿ¼Îļþ»Ö¸´µ½Ö¸¶¨Ä¿Â¼£©
Ïà¹ØÎĵµ£º
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 ......
Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
·þÎñ·¢ÏÖÐÒé(SDP»òBluetooth SDP)ÔÚÀ¶ÑÀÐÒéÕ»ÖжÔÀ¶ÑÀ»·¾³ÖеÄÓ¦ÓóÌÐòÓÐÌØÊâµÄº¬Ò⣬·¢ÏÖÄĸö·þÎñÊÇ¿ÉÓõĺÍÈ·¶¨ÕâЩ¿ÉÓ÷þÎñµÄÌØÕ÷¡£SDP¶¨ÒåÁËbluetooth client·¢ÏÖ¿ÉÓÃbluetooth server·þÎñºÍËüÃǵÄÌØÕ÷µÄ·½·¨¡£ ......
http://www.mcublog.com/more.asp?name=sharkdn&id=8810
=======================================
ºÃЩʱºò£¬ÎÒÃÇÐèÒªÒ»¸öÖ»ÒªÒ»ÕÅÈíÅ̾ÍÄÜÆô¶¯Linux µÄϵͳ£¬±ÈÈç˵×ö·ÓÉÆ÷¡£µ«ÊÇÎÒÃǸÃÔõÑù×öÄØ£¿ Ò²¾ÍÊÇ˵ÎÒÃÇÒª°ÑKernelºÍFileSystem¶¼×öÔÚÒ»ÕÅ3.5'µÄÅÌÉÏ¡£ÎÒÃÇÏȰÑFileSystem ·Ö½â³ÉÈçϼ¸¸ö²¿·Ö°É¡£
¡¡¡¡1. /b ......
1£®¹ØÓÚÎļþ/Ŀ¼´¦ÀíµÄÖ¸Áî
1.1 ls Ö¸Áî
lsµÄÒâÒåΪ“list”£¬Ò²¾ÍÊǽ«Ä³Ò»¸öĿ¼ÏµÄÄÚÈÝÏÔʾ³öÀ´¡£
lsÓÐһЩ²ÎÊý£¬¿ÉÒÔ¸øÓèʹÓÃÕ߸ü¶àÓйصÄ×ÊѶ£¬ÈçÏ£º
-a£ºÔÚlinuxÖÐÈôÒ»¸öĿ¼»òÎļþÃû×ֵĵÚÒ»¸ö×ÖԪΪ“.”£¬ÔòʹÓÃls½«²»»áÏÔʾ³öÕâ¸öÎļþµÄÃû×Ö£¬ÎÒÃdzƴËÀàÎļþΪÒþ²ØÎļþ¡£Èç¹ûÎÒà ......
Linux 2.6ÏÂSPIÉ豸ģÐÍ
--------»ùÓÚAT91RM9200·ÖÎö
Atmel¹«Ë¾µÄARM ATϵÁУ¬ÆäSPIÇý¶¯ÔÚkernel 2.6.23ÀïÒѾ°üº¬¡£Èç¹ûÄã´òÁËat91-patch²¹¶¡µÄ»°£¬ÔòÔÚÄÚºËÅäÖÃʱҪСÐÄ¡£ÔÚDevice Drivers---- > Character devices ---- >È¡ÏûÑ¡ÖÐSPI Driver(legacy) for at91rm9200 pro ......