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serv_addr.sin_port=htons(SERVPORT);
inet_pton(AF_INET,"127.0.0.1",&serv_addr.sin_addr);
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1. iptux
°²×°iptux±È½ÏÈÝÒ×£¬ÏÂÔØiptuxµÄ¶þ½øÖưühttp://iptux.googlecode.com/files/iptux_0.4 ......

LinuxÏÂnginxµÄ°²×°ÎÊÌâ

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./configure --prefix=/usr/local/nginx
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./configure: error: the HTTP cache module requires md5 functions from OpenSSL library.  You can either disable the module by us ......

linux tail ÃüÁîÏê½â£¡Linux ÎļþÄÚÈݲ鿴¹¤¾ß½éÉÜ

cat ÊÇÒ»¸öÎı¾Îļþ²é¿´ºÍÁ¬½Ó¹¤¾ß¡£²é¿´Ò»¸öÎļþµÄÄÚÈÝ£¬ÓÃcat±È½Ï¼òµ¥£¬¾ÍÊÇcat ºóÃæÖ±½Ó½ÓÎļþÃû¡£
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[root@localhost ~]# cat /etc/fstab
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cat [Ñ¡Ïî] [Îļþ]...
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  -A, --show-all    &nbs ......

LinuxÏÂRamdisk¸ùÎļþÏµÍ³ÖÆ×÷¹ý³Ì½âÎö

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Linux ÅжϻúÆ÷µÄ×Ö½Ú˳Ðò

#include <fcntl.h>
int main(void)
{
    typedef union un{
        short s;
        char c[sizeof(short)];
    }un;
    un myun;
    myun.s = 0x0102;
  ......
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