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alias tomcat£½"cd /usr/local/tomcat",µ«ÊÇÍ˳öϵͳºóÕâЩ±ðÃû¾ÍʧЧÁË£¬ÈçºÎ°Ñ±ðÃûдÈëÅäÖÃÎļþ£º
 
Ê×ÏÈÕÒµ½µÇ½µÄÓû§µÄÎļþ¼Ð£¬±ÈÈçROOTµÇ½µÄʱºò£¬ÔÚ/Ŀ¼Ï½øÈëROOTĿ¼±à¼­.bash_profileÎļþ
 
±ÈÈç¿ÉÒÔÕâÑù±à¼­£¨alias ÕâÁ½ÐÐÊǼÓÉÏÈ¥µÄ£©£¬µ±È»£¬ÏµÍ³µÄ»·¾³±äÁ¿Ò²ÊÇ¿ÉÒÔдÔÚÕâÀïµÄ
 
# .bash_profile
 
# Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
alias tomcat="cd /usr/local/tomcat"
alias myip="/sbin/ifconfig | grep -a 'inet addr' | sed -e '/127\\.0\\.0\\.1/d;s/.*inet addr:\\([0-9\\.]\\+\\).*/\\1/'"
# User specific environment and startup programs
 
PATH=$PATH:$HOME/bin
 
export PATH
unset USERNAME
 
Ôڱ༭.bash_profileÎļþºóÁ¢¼´ÉúЧµÄÃüÁî
source .bash_profile


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ʵսLinux Bluetooth±à³Ì£¨Èý£© HCI²ã±à³Ì

1. HCI²ãЭÒé¸ÅÊö£º
HCIÌṩһÌ×ͳһµÄ·½·¨À´·ÃÎÊBluetoothµ×²ã¡£ÈçͼËùʾ£º
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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 ......

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LinuxÏÂÅäÖÃTOMCAT·þÎñ

Ò»¡¢°²×°jdk
# chmod u+x ./jdk-1_5_0_14-linux-i586-rpm.bin
# ./jdk-1_5_0_14-linux-i586-rpm.bin
¶þ¡¢°²×°tomcat
   tar zxvf apache-tomcat-5.5.25.tar.gz
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#  useradd  tomcat 
#  passwd   tomcat
#  chown  -R  tomcat:tomcat&n ......

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/   ¸ùĿ¼
/bin    ³£ÓõÄÃüÁî
binary file µÄÄ¿錄
/boot   ´æ·ÅϵͳÆô¶¯Ê±±ØÐë¶ÁÈ¡µÄµµ°¸£¬°üÀ¨ºËÐÄ
(kernel) ÔÚÄÚ
     /boot/grub/menu.lst   GRUBÉèÖÃ
     /boot/vmlinuz   ÄÚºË
  ......
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