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1¡¢ ÈçºÎÔÚLinuxϵͳÏÂÌí¼ÓÒ»¸öÕÊ»§£ºÓû§ÃûΪstd02£¬ÃÜÂëΪpwd02?
£º#useradd std02
#passwd std02
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#useradd -n std02 -p pwd02
2¡¢ н¨Ò»¸ö×ÓĿ¼/home/public£¬ÈÃËü±»ËùÓеÄÓû§¹²Ïí£¬¶øÇÒÓµÓÐËùÓÐȨÏÞ£¬µ«²»Äܱ»·ÇÊôÖ÷ɾ³ý£¿
£º#mkdir /home/public
#chmod a+trwx /home/public
3¡¢ ÈÃÒ»¸ö×ÓĿ¼/home/student02˽Óл¯£¬Ö»ÔÊÐístd02Ëù¶ÀÏí£¿
#mkdir /home/student02
#chown std02 /home/student02 //˽Óл¯
#chmod a-rwx /home/student02 //¶ÀÏí
#chmod u+rwx /home/student02
¼´#chmod 700 /home/student02
4¡¢ ÈçºÎÈÃÒ»Óû§³ÉΪһ¸öÓû§×éȺÖеijÉÔ±£¿
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£º#groupadd student
#useradd -g student -n std03
5¡¢ ¹æ»®Ò»¸öÓû§Óë×éȺ£ºÓгÌÐò¿ª·¢Ô±5ÈË£¬ÏîÄ¿¹ÜÀíÔ±2ÈË£¬·Ö±ðÈ¡ÃûΪ£ºprg01~prg05£¬mgr01,mgr2£¬²¢·Ö±ð´ÓÊôÓÚ×éprogramÓëmanage£¬ÏÖ°´ÏÂÁÐÒªÇó¹æ»®£º
(1)¡¢Ã¿¸ö¿ª·¢Ô±ÓµÓÐ×Ô¼ºµÄÕÊ»§£¬Óû§Ãû£ºprg??£¬ÃÜÂ룺prog?? £»
(2)¡¢Ã¿¸ö¿ª·¢Ô±´ÓÊôÓÚprogram×飬²¢¹²ÏíÁ½¸ö×ÓĿ¼£ºprogramÓësource£¬¶øÇÒÓµÓÐËùÓÐȨÏÞ£»
(3)¡¢Ã¿¸ö¹ÜÀíÔ±ÓµÓÐ×Ô¼ºµÄÕÊ»§£¬Óû§Ãûmgr??£¬ÃÜÂ룺mngr?? £»
(4)¡¢Ã¿¸ö¹ÜÀíÔ±´ÓÊôÓÚmanage×飬²¢¹²ÏíÁ½¸ö×ÓĿ¼£ºprojectÓëdocument£¬¶øÇÒÓµÓÐËùÓÐȨÏÞ ;
(5)¡¢¿ª±ÙÒ»¸ö¹«¹²×ÓĿ¼/home/public£¬ÈÃËü±»ËùÓеÄÓû§¹²Ïí£¬¶øÇÒÓµÓÐËùÓÐȨÏÞ£¬µ«²»Äܱ»·ÇÊôÖ÷ɾ³ý£¿
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#groupadd program
#groupadd manage
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#useradd -g program -n prg 01 -p prog01
#useradd -g program -n prg 02 -p prog02
#useradd -g program -n prg 03 -p prog03
#useradd -g program -n prg 04 -p prog04
#useradd -g program -n prg 05 -p prog05
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#useradd -g manage -n mgr01 mngr01
#useradd -g manage -n mgr02 mngr02
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#mkdir /home/program
#mkdir /home/source
#mkdir /home/project
#mkdir /home/document
#chmod 770 /home/program
#chgrp program /home/program
#chmod 770 /home/source
#chgrp program /home/source
#chmod 770 /home/project
#chgrp manage /home/project
#chmod 770 /home/document
#chgrp manage /home/document
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#mkdir /home/public
#chmod a+rwxt /home/public
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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·¨¡£ ......

ÈçºÎÔÚlinux¿ª»úʱ×Ô¶¯Æô¶¯smb¹²Ïí·þÎñ£¿

ÈçºÎÔÚlinux¿ª»úʱ×Ô¶¯Æô¶¯smb¹²Ïí·þÎñ£¿
 
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·½·¨2. chkconfig --add smb
 
[root@test ~]# chkconfig --add smb
[root@test ~]# chkconfig --list smb
smb             ......

linux×Ö·ûÉ豸Çý¶¯Ñ§Ï°

 ½ñÌìѧϰÁËÔÚlinux2.6ƽ̨Ï嵀 char drvier £¬ÔÚlinuxÏÂÍƼöʹÓõÄÊÇcdev½á¹¹ÌåÀ´ÊµÏÖ¶ÔcharacterÉ豸µÄÃèÊö£¬´úÂëÈçÏÂ
/*This module is desired for sunplusapp s3c2440_board */
#include <linux/fs.h>
#include <linux/types.h>
#include <linux/cdev.h>
#include <linux/kernel.h> ......

Red Hat Enterprise Linux 5·þÎñÆ÷ÅäÖÃÖ®VsftpdÅäÖÃ

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1.¿ÉÓÃÒÔÏÂÃüÁî²éѯÊÇ·ñÒÑ°²×°£º
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#rpm -qa|grep vsftpd
vsftpd-2.0.5-10.e15
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#rpm -ivh vsftp-2.0.5-10.e15.i386.rpm
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