LinuxÏÂShorewall·À»ðǽ°²×°ÓëÅäÖ÷½·¨
»·¾³ËµÃ÷£º±¾»úÖ»ÓÐÒ»ÕÅÍø¿¨£¬Ê¹Óþ²Ì¬IPÉÏÍø
ÃüÁapt-get install shorewall ubuntu»á×Ô¶¯µÄ¸øÄã°²×°ºÃ£¬µ«ÊÇshorewallûÓÐÅäÖÃ
ҲûÓÐÆô¶¯
¡¸1¡¹Ê×ÏÈcp /usr/share/doc/shorewall/examples/one-interface/* /etc/shorewall
¡¸2¡¹ÐÞ¸Ä/etc/shorewall/shorewall.conf ¸ÄSTARTUP_ENABLED=NoΪSTARTUP_ENABLED=Yes
¡¸3¡¹ÐÞ¸Ä/etc/default/shorewall ¸Ästartup=0Ϊstartup=1
¡¸4¡¹ÔËÐÐifconfigÈ·ÈÏ×Ô¼ºÍø¿¨Ãû³Æ ĬÈÏÒ»°ã¶¼ÊÇeth0 £¬¼ÇÏÂÕâ¸öÍø¿¨Ãû³Æ
¡¸5¡¹ÐÞ¸Ä/etc/shorewall/interfaces ¸Änet eth0 detect dhcp£¬tcpflags£¬logmartians£¬nosmurfsÖеÄeth0ΪÄãµÄÍø¿¨Ãû³Æ£¬Èç¹ûÏàͬ¾Í²»ÓÃÐÞ¸ÄÁË
¡¸6¡¹ÐÞ¸Ä/etc/shorewall/rules Õâ¸öÎļþÊÇ·ÃÎʹæÔòµÄ¶¨ÒåÎļþ£¬Ä¬ÈÏÊÇÔÊÐí±¾µØ¼ÆËã»ú·ÃÎÊËùÓÐÍⲿµØÖ·£¬½ûÖ¹Íⲿ¼ÆËã»ú·ÃÎʱ¾µØÖ·ÀýÈçÄãÈç¹û¿ª·ÅÁËssh
·þÎñ£¬¶Ë¿ÚÊÇ22£¬ÄãÏëÔÊÐí±ðÈË·ÃÎÊÄÄôÔÚ ACCEPT $FW net icmp н¨Ò»Ìõ¹æÔò
ACCEPT net $FW TCP 22 ÕâÀïÒ²¸ø´ó¼Ò¼òµ¥ËµÏ¹æÔòµÄһЩд·¨ net ´ú±í»¥ÁªÍø¼ÆËã»ú $fw´ú±í±¾»ú£¬Ò²¾ÍÊÇ·À»ðǽ
±¾Éí½â¶Á ACCEPT net $FW TCP 22 Òâ˼¾ÍÊÇÔÊÐí»¥ÁªÍøµ½±¾»ú£¨·À»ðǽ£©ÒÔ TCP ÐÒé
·ÃÎÊ22¶Ë¿ÚÏàÓ¦µÄÈç¹û½ûÖ¹¾ÍÊÇDROP
DROP net $FW TCP 22 Èç¹ûÊÇÔÊÐí»¥ÁªÍøÄ³Ò»IP·ÃÎÊ£¬¹æÔò¿ÉÒÔÕâôд
ACCEPT net£º192.168.1.10 $FW TCP 22
shorewall start ºÃÁË¡£
Ïà¹ØÎĵµ£º
1. HCI²ãÐÒé¸ÅÊö£º
HCIÌṩһÌ×ͳһµÄ·½·¨À´·ÃÎÊBluetoothµ×²ã¡£ÈçͼËùʾ£º
´ÓͼÉÏ¿ÉÒÔ¿´³ö£¬Host Controller Interface(HCI) ¾ÍÊÇÓÃÀ´¹µÍ¨HostºÍModule¡£Hostͨ³£¾ÍÊÇPC£¬ ModuleÔòÊÇÒÔ¸÷ÖÖÎïÀíÁ¬½ÓÐÎʽ£¨USB,serial,pc-cardµÈ£©Á¬½Óµ½PCÉϵÄbluetooth Dongle¡£
ÔÚHostÕâÒ»¶Ë£ºapplication,SDP,L2capµÈÐÒé ......
£¨L2CAPÐÒé¼ò½é£¬L2CAPÔÚBlueZÖеÄʵÏÖÒÔ¼°L2CAP±à³Ì½Ó¿Ú£©
Ò»£ºL2CAPÐÒé¼ò½é£º
Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼Á¬½Ó¿ØÖƺÍÊÊÅäÐÒé (L2CAP) ΪÉϲãÐÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àÐÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãÐÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......
1¡¢Ð½¨Ä¿Â¼qthello,²¢½øÈëqthelloĿ¼
mkdir qthello
cd qthello
×¢Ò⣺Qt ³ÌÐòÏîÄ¿²»ÄÜÒÔ "qt"¡¢“qt-mt”¡¢“qte” µÈ×÷ΪÆä¶¥¼¶Ä¿Â¼Ãû£¬·ñÔò±àÒëʱ»á·¢Éú´íÎó¡£
½¨Á¢Ô´Îļþhello.cpp,²¢ÊäÈëÏÂÁÐÄÚÈÝ£¬È»ºó±£´æ¡£
#include <QApplication>
#include <QLabel>
int main (int arg ......
½âѹÃüÁî´óÈ«
gz
½âѹ1£ºgunzip FileName.gz
½âѹ2£ºgzip -d FileName.gz
ѹËõ£ºgzip FileName
.tar.gz
½âѹ£ºtar zxvf FileName.tar.gz
ѹËõ£ºtar zcvf FileName.tar.gz DirName
---------------------------------------------
.bz2
½âѹ1£ºbzip2 -d Fi ......
ÔÚ¶Ájvm´úÂëʱ£¬Ñ§Ï°Á˶ÁÈ¡¶¯Ì¬Á´½Ó¿âµÄ·½·¨¡£ÏÂÃæ¾Í.soÎļþµÄ´´½¨ºÍ¶ÁÈ¡×öÒ»¸ö¼òµ¥µÄ×ܽᡣ
1.´´½¨.soÎļþ
add.h
#ifndef ADD_H
#define ADD_H
int add(int arg1,int arg2);
#endif
add.c
#include "add.h"
int add(int arg1,int arg2)
{
return ......