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# ABOR - abort a file transfer È¡ÏûÎļþ´«Êä
# CWD - change working directory ¸ü¸ÄĿ¼
# DELE - delete a remote file ɾ³ýÎļþ
# LIST - list remote files ÁÐĿ¼
# MDTM - return the modification time of a file ·µ»ØÎļþµÄ¸üÐÂʱ¼ä
# MKD - make a remote directory н¨Îļþ¼Ð
# NLST - name list of remote directory
# PASS - send password
# PASV - enter passive mode
# PORT - open a data port ´ò¿ªÒ»¸ö´«Êä¶Ë¿Ú
# PWD - print working directory ÏÔʾµ±Ç°¹¤×÷Ŀ¼
# QUIT - terminate the connection Í˳ö
# RETR - retrieve a remote file ÏÂÔØÎļþ
# RMD - remove a remote directory
# RNFR - rename from
# RNTO - rename to
# SITE - site-specific commands
# SIZE - return the size of a file ·µ»ØÎļþ´óС
# STOR - store a file on the remote host ÉÏ´«Îļþ
# TYPE - set transfer type
# USER - send username
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ʵսLinux Bluetooth±à³Ì£¨ËÄ£© L2CAP²ã±à³Ì

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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 (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·¨¡£ ......

[תÌû]LinuxÇý¶¯¿ª·¢Ñ§Ï°µÄһЩ±ØÒª²½Öè

 1. ѧ»áд¼òµ¥µÄmakefile
2. ±àһЩӦÓÃ
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£¬¿ÉÒÔÓÃmakefileÅÜÆðÀ´
3. ѧ»áдÇý¶¯
µÄmakefile
4. дһ¼òµ¥charÇý¶¯£¬makefile±àÒëͨ¹ý£¬¿ÉÒÔinsmod£¬ lsmod£¬ rmmod. ÔÚÇý¶¯µÄinitº¯ÊýÀï´òÓ¡hello world£¬insmodºóÓ¦¸ÃÄܹ»Í¨¹ýdmesg¿´µ½Êä³ö
¡£
5. дһÍêÕûÇý¶¯£¬ ¼ÓÉÏread£¬ write£¬ ioctl£¬ pollingµÈ¸ ......

linuxϰ²×°oracle 10gʱlibXp.so.6½â¾ö·½·¨

°²×°¹ý³ÌÖгöÏÖ“X11/extensions/Print.h: No such file or directory”µÄ½â¾ö·½·¨
ÕâÊÇÒòΪϵͳÖÐȱÉÙlibXp-devel
# yum install libXp-devel
°²×°¹ý³ÌÖгöÏÖ“X11/bitmaps/gray: No such file or directory”µÄ½â¾ö·½·¨
ÕâÊÇÒòΪϵͳÖÐȱÉÙxorg-x11-xbitmaps£¨x11/xbitmaps (Ubuntu) and xorg-x1 ......

linux Ë«Íø¿¨·þÎñÆ÷NAT·þÎñ

debian lenny , my favorite
a. vim  /etc/sysctl.conf:
    modify net.ipv4.ip_forward = 1
b. flush route table:
    iptables -F
    iptables -P INPUT ACCEPT
    iptables -P FORWARD ACCEPT
c. open NAT services:
 &nb ......
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