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ssh connect to Linux
1,¼ì²éÍøÂçÁ¬½ÓÊÇ·ñÕý³£,¿´¿´ÄãµÄ»úÆ÷ÊÇ·ñ¿ªÁË22ºÅ¶Ë¿Ú,½ø³ÌÊÇ·ñÔËÐÐÕý³£..
2,¿ÉÒÔÔÚ±¾»úÉÏÓÃSSHÃüÁîµÇ½±¾»ú.
#ssh -l yourloginname xxx.xxx.xxx.xxx
ÆäÖÐyourloginnameΪÄã±¾»ú¿ÉÔ¶³ÌµÇ¼Óû§Ãû,xxx.xxx.xxx.xxxΪÄãµÄ»úÆ÷IP,
Èç¹ûµÇ¼Ìáʾ:
Are you sure you want to continue connecting (yes/no)? yes
²¢ÇҵǼÕý³£,Ôò±íʾÄãµÄ·þÎñÊÇÕý³£¿ªÍ¨µÄ.
3,Èç¹û2ͨ¹ý,¼ì²éHOSTS.DENY µÈÎļþ,ÊÇ·ñ½ûÖ¹ÁËÔ¶³ÌµÇ¼....
¼ì²é  /etc/ssh/sshd_config ÀïµÄ PermitRootLogin ÊÇ·ñ Ϊyes           ÒÔ±ðµÄÕ˺ŵǼ
¼ì²é ÄãµÄ iptables ÉèÖÃ
¼ì²éÄãµÄ /etc/hosts.allow  /etc/hosts.deny
netstat -anpt¼ì²é ssh¶Ë¿ÚÊÇ·ñ´ò¿ª
connection refused.  Ò»°ãÊÇ·À»ðǽ¿ª×ÅÄØ¡£ ±¾»ú·ÃÎÊ¿ÉÒÔ£¬±ðµÄ»ú²»¿ÉÒÔ£¬·À»ðǽ¿ª×Å£¬¹Øµô£¬»òÊÇÉèΪµÍ£¬»òÊDZðµÄʲô
PHPÁ¬½ÓMYSQL´úÂë
<?
$mysql_server_name="localhost";
$mysql_username="root";
$mysql_password="";
$mysql_database="mysql";
$conn=mysql_connect($mysql_server_name,$mysql_username,$mysql_password,$mysql_database);
if($conn)
{
    echo "Á¬½Ó³É¹¦";
}
else
{
    echo "Á¬½Óʧ°Ü";
}
?>
LinuxÏÂÅäÖÃJDKºÍTOMCAT£¬JSPµÄÔËÐл·¾³
1.ÏÂÔØJDK JDKÊÇÓÉwww.sun.com¹«Ë¾ÑÐÖÆµÄ£¬¿ÉÔÚÆäÏÂÏÂÔØ
   linux platform-java(TM) SE Development Kit 6 Update 2
        Á½¸ö°æ±¾ linux RPM in self-extracting file(build 05) jdk-6u2-linux-rpm.bin(61.63MB)
          linux self-extracting file(build 05) jdk-6u2-linux-i586.bin(55.66MB)
   ÔÚÕâ¶ùÎÒÏÂÔØÁ˵ÚÒ»¸ö°æ±¾£¬rpm.bin
2.°²×°jdk-6u2-linux-rpm.bin°ü
   #chmod u+x jdk-6u2-linux-rpm.bin   (ÉèÖÿÉÖ´ÐÐȨÏÞ)
    #./jdk-6u2-linux-rpm.bin           (Ö´ÐУ¬Ò²¿ÉÒÔÖ±½Ó´ò¿ª£¬½âѹ)
    #rpm -ivh jdk-6u2-linux-rpm.rpm    (°²×°£¬°²×°Ä¿Â¼Îª/usr/javaÏ£¬×Ô¶¯Éú³ÉµÄ)
    #cd /usr/java/
    #ln -s j2sdk1.4.2/


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1. µ½ Mozilla Prism µÄÍøÕ¾ÉÏÏÂÔØ Prism£¬µã»÷ Download Now Ö®ºó»áÌáʾÓÐÁ½ÖÖ£¬Ò»ÖÖÊÇÒÔ Mozilla Firefox À©Õ¹µÄ·½Ê½£¬ÊʺÏÒѾ­°²×°ÓÐ Firefox µÄÅóÓÑ£»Ò»Ö ......

LinuxϹرպͿªÆô·À»ðǽÃüÁî

1) ÓÀ¾ÃÐÔÉúЧ£¬ÖØÆôºó²»»á¸´Ô­
¿ªÆô£º chkconfig iptables on
¹Ø±Õ£º chkconfig iptables off
2) ¼´Ê±ÉúЧ£¬ÖØÆôºó¸´Ô­
¿ªÆô£º service iptables start
¹Ø±Õ£º service iptables stop
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ÔÚ¿ªÆôÁË·À»ðǽʱ£¬×öÈçÏÂÉèÖ㬿ªÆôÏà¹Ø¶Ë¿Ú£¬ ......

linux CÕýÔò±í´ïʽ——POSIXÕýÔò²âÊÔ

ÕâÊÇCµÄÔ­³ÌÐò
#include <stdio.h>
#include <regex.h>
int main(int argc, char** argv)
{
regex_t reg;
regmatch_t pm[10];
char *pattern;
char buf[50];
const size_t nmatch = 10;

pattern = argv[1];
int result = regcomp(®, pattern, REG_EXTENDED);
while( fgets ......

Linux ²âÊÔsendmailÓʼþ·¢ËÍ

ÓÖÅöµ½ÓʼþÎÊÌ⣬ÔÚmagentoǰ̨ע²áÐÂÓû§£¬Ï¶©µ¥¶¼Ã»ÓÐÊÕµ½Óʼþ¡£µ«ÊÇÌáʾ¶¼ÊÇ˵Õý³£¡£
Ö±½ÓÔÚsshÖÐʹÓÃÏÂÁÐÃüÁî²âÊÔ£¬Á¬½Ó³¬Ê±£º
echo "Subject: test" | /usr/lib/sendmail -v xinhaozheng@gmail.com
Ìáʾ£º
WARNING: local host name (server) is not qualified; see cf/README: WHO AM I?
xinhaozheng ......

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ÔÚinclude/linux/type.hÎļþÖÐÎÒÃÇÄ ......
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