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linux±¾ÉíûÓÐͼÏñ½çÃæ£¬linuxÏÖÔÚµÄͼÏñ½çÃæµÄʵÏÖÖ»ÊÇlinuxϵÄÓ¦ÓóÌÐòʵÏֵġ£Í¼Ïñ½çÃæ²¢²»ÊÇlinuxµÄÒ»²¿·Ö£¬linuxÖ»ÊǸö»ùÓÚÃüÁîÐеIJÙ×÷ϵͳ¡£LinuxÄÚºËΪlinuxϵͳÖеÄͼÐνçÃæÌṩÁËÏÔʾÉ豸Çý¶¯¡£
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ÊÇЭÒ飬¾ÍÏñHTTPЭÒ飬IPЭÒé¡£Õâ¸ö¸ÅÄîºÜ¶à³õѧÕßÉõÖÁѧϰLINUXÓÐÒ»¶¨Ê±¼äµÄÈ˶¼»ìÏý£¬Ò»¸ö»ùÓÚXµÄÓ¦ÓóÌÐòÐèÒªÔËÐв¢ÏÔʾÄÚÈÝʱ£¬Ëû¾ÍÁª½Ó
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Client£©ÒªÔÚÆÁÄ»ÉÏÊä³öÒ»¸öÔ²£¬ÄÇôËû¾ÍÓÃXЭÒé¶ÔX·þÎñÆ÷˵£ºÎ¹!ÎÒÐèÒªÔÚÆÁÄ»ÉÏ»­Ò»¸öÔ²¡£XÓ¦ÓóÌÐòÖ»¸ºÔð¸æËßX·þÎñÆ÷ÔÚÆÁ ......

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ÕâÊÇÔÚʵÑéÊҴ¾ÖÓòÍøÊ±µÄÅäÖÃдÔÚÕâÀï°É£¬µÈÔÚ»ØÒäÄǶδóѧÉú»îʱ»¹ÊǺÜÃÀºÃµÄ!
»·¾³£ºÍâÍøIP 202.206.249.186 ×ÓÍøÑÚÂë 255.255.255.0 ĬÈÏÍø¹Ø 202.206.249.1
          ÄÚÍøIP192.168.0.1           ×ÓÍøÑÚÂë 255.255.255.0Íø¹Ø²»Ìí
[root@localhost ~]# echo "1" > /proc/sys/net/ipv4/ip_forward
[root@localhost ~]# iptables -F
 [root@localhost ~]# iptables -t nat -F
[root@localhost ~]# iptables -t mangle -F
[root@localhost ~]# iptables -X
[root@localhost ~]# iptables -t nat -X
[root@localhost ~]# iptables -t mangle -X
[root@localhost ~]# iptables -P INPUT ACCEPT
[root@localhost ~]# iptables -P OUTPUT ACCEPT
[root@localhost ~]# iptables -P FORWARD ACCEPT
[root@localhost ~]# iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -o eth0 -j SNAT --to 202.206.249.186
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iptables-save>nat-1.1
service iptables save ......

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       LinuxϵͳÏÂSubversion °²×°ÓëÅäÖÃ
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Apr : apr-1.2.12 ºÍ apr-util-1.2.12
Apache : httpd-2.2.4.tar.gz
Subversion: subversion-1.4.5.tar.gz ºÍ subversion-deps-1.4.5.tar.gz
×¢Ò⣺ÔÚ°²×°¹ý³ÌÖпÉÄÜ»áÌáʾÐèÒª°²×°ÆäËûµÄ°ü£¬¸ù¾Ý¾ßÌåµÄÇé¿öÀ´°²×°ËùÐèÒªµÄ°ü£¬Èç¹û°²×°¹ý³ÌºÜ˳ÀûÔò˵Ã÷ÄãÔËÆøºÃ£¡
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1¡¢°²×°apr-1.2.12
# tar –zvxf apr-1.2.12.tar.gz
# cd apr-1.2.1 ......

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vi filename :´ò¿ª»òн¨Îļþ£¬²¢½«¹â±êÖÃÓÚµÚÒ»ÐÐÊ×
¡¡¡¡vi +n filename £º´ò¿ªÎļþ£¬²¢½«¹â±êÖÃÓÚµÚnÐÐÊ×
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¡¡¡¡vi +/pattern filename£º´ò¿ªÎļþ£¬²¢½«¹â±êÖÃÓÚµÚÒ»¸öÓëpatternÆ¥ÅäµÄ´®´¦
¡¡¡¡vi -r filename £ºÔÚÉÏ´ÎÕýÓÃvi±à¼­Ê±·¢Éúϵͳ±ÀÀ££¬»Ö¸´filename
¡¡¡¡vi filename....filename £º´ò¿ª¶à¸öÎļþ£¬ÒÀ´Î±à¼­
¡¡¡¡Òƶ¯¹â±êÀàÃüÁî
¡¡¡¡h £º¹â±ê×óÒÆÒ»¸ö×Ö·û
¡¡¡¡l £º¹â±êÓÒÒÆÒ»¸ö×Ö·û
¡¡¡¡space£º¹â±êÓÒÒÆÒ»¸ö×Ö·û
¡¡¡¡Backspace£º¹â±ê×óÒÆÒ»¸ö×Ö·û
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¡¡¡¡Enter £º¹â±êÏÂÒÆÒ»ÐÐ
¡¡¡¡w»òW £º¹â±êÓÒÒÆÒ»¸ö×ÖÖÁ×ÖÊ×
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¡¡¡¡( £º¹â±êÒÆÖÁ¾äÊ×
¡¡¡¡}£º¹â±êÒÆÖÁ¶ÎÂ俪ͷ
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¡¡¡¡M £º¹â±êÒÆÖÁÆÁÄ»ÖмäÐÐ
¡¡¡¡L £º¹â±êÒÆÖÁÆÁÄ»×îºóÐÐ
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linuxϵĶ˿ÚɨÃè¼¼Êõ£¡

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#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <errno.h>
#include "my_recv.h" // ×Ô¶¨ÒåµÄÍ·Îļþ
#define SERV_PORT  4507 // ·þÎñÆ÷¶ËµÄ¶Ë¿Ú
#define LISTENQ   12 // Á¬½ÓÇëÇó¶ÓÁеÄ×î´ó³¤¶È
#define INVALID_USERINFO 'n' // Óû§ÐÅÏ¢ÎÞЧ
#define VALID_USERINFO  'y' // Óû§ÐÅÏ¢ÓÐЧ
#define USERNAME  0 // ½ÓÊÕµ½µÄÊÇÓû§Ãû
#define PASSWORD  1 // ½ÓÊÕµ½µÄÊÇÃÜÂë
struct userinfo {   // ±£´æÓû§ÃûºÍÃÜÂëµÄ½á¹¹Ìå
 char username[32];
 char password[32];
};
struct userinfo users[ ] = {
 {"linux", "unix"},
 {"4507", "4508"},
 {"clh", "clh"},
 {"xl", "xl"},
 {" "," "}  &n ......

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ÆäʵÊǸöÂù¼òµ¥µÄÎÊÌâ¡£ÔÚLDD3µÄµÚ15ÕÂÉÏÓÐд£¨¼û“Remapping Specific I/O Regions”ÕâÒ»½Ú£©¡£²»¹ýµ±Ê±×÷ÕßÑ¡ÔñÁËÒ»¸ö´íÎóµÄ×ö·¨£ºÏȰÑÕâ¿éIO¿Õ¼äÓÃioremapÓ³Éäµ½ÁËÄں˿ռ䣬ȻºóÔÚÓû§½ø³Ì·ÃÎʱ»Ó³ÉäµÄµØÖ·Ëù²ú ÉúµÄȱҳÖжÏÀÓÃvmalloc_to_pageµÃµ½page£¬·µ»Ø¸øÓû§½ø³Ì¡£
È»¶ø£¬vmalloc_to_pageû·¨ÓÃÔÚioremapËùµÃµ½µÄµØÖ·ÉÏ£¬ÒòΪIO¿Õ¼ä¸ù±¾¾ÍûÓжÔÓ¦µÄPage½á¹¹£¬·µ»ØµÄpageÖ¸Õë×ÔÈ»ÊDz»¶ÔµÄ¡£
ÕýÈ·µÄ×ö·¨ÊÇÔÚmmapº¯ÊýÀʹÓÃremap_pfn_rangeº¯Êý¡£´úÂëÈçÏ¡£×¢ÒâÒªÉèÖÃÒ»ÏÂvma->vm_pgoffΪÄãÒªmapµÄio¿Õ¼äµÄÎïÀíµØÖ·¶ÔÓ¦µÄÒ³¡£
static int filter_mmap(struct file *filp, struct vm_area_struct *vma)
{
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
vma->vm_pgoff = ( (u32)map_start >> PAGE_SHIFT);
if (remap_pfn_range(vma,
vma->vm_start,
vma->vm_pgoff,
vma->vm_end-vma->vm_start,
vma->vm_page_prot))
return -EAGAIN;
return 0;
}
......
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