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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«Ë¾ÑÐÖƵģ¬¿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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ʵսLinux Bluetooth±à³Ì (Æß) SDPЭÒé

Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
·þÎñ·¢ÏÖЭÒé(SDP»òBluetooth SDP)ÔÚÀ¶ÑÀЭÒéÕ»ÖжÔÀ¶ÑÀ»·¾³ÖеÄÓ¦ÓóÌÐòÓÐÌØÊâµÄº¬Ò⣬·¢ÏÖÄĸö·þÎñÊÇ¿ÉÓõĺÍÈ·¶¨ÕâЩ¿ÉÓ÷þÎñµÄÌØÕ÷¡£SDP¶¨ÒåÁËbluetooth client·¢ÏÖ¿ÉÓÃbluetooth server·þÎñºÍËüÃǵÄÌØÕ÷µÄ·½·¨¡£ ......

LinuxÉ豸ģÐÍÖ®input×ÓϵͳÏê½â

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×î½üÔÚÑо¿androidµÄsensor driver£¬Ö÷ÒªÊÇE-compass£¬ÆäÖÐÓõ½ÁËLinux input×Óϵͳ.ÔÚÍøÉÏÒ²¿´Á˺ܶàÕâ·½ÃæµÄ×ÊÁÏ£¬¸Ð¾õ»¹ÊÇÕâƪ·ÖÎöµÄ±È½ÏϸÖÂ͸³¹£¬Òò´ËתÔØÒ»ÏÂÒÔ±ã×Ô¼ºÑ§Ï°£¬Í¬Ê±ºÍ´ó¼Ò·ÖÏí£¡
£¨Õâƪ²©¿ÍÖ÷ÒªÊÇÒÔ¼üÅÌÇý¶¯ÎªÀýµÄ£¬²»¹ý½²½âµÄÊÇLinux Input Subsystem£¬¿ÉÒÔ×ÐϸµÄÑо¿Ò»Ï£¡£©
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Linux ±Ê¼Ç2

1¡£LinuxÁ´½Ó
     LinuxĿ¼ÖÐÿ¸öÃû×ÖÖÁinodeµÄÓ³Éä±»³ÆΪÁ´½Ó£¬¼´Ä¿Â¼ÖÐÒ»¸öÖ¸ÏòinodeµÄÃû×Ö¡£LinuxµÄÎļþÁ´½Ó·ÖΪӲÁ´½ÓºÍÈíÁ´½Ó¡£
     Ó²Á´½Ó±ØÐëλÓÚͬһ¸öÎļþϵͳ¡£Ê¹ÓÃlink()º¯ÊýʵÏÖ¡£
     ÈíÁ´½Ó¼´·ûºÅÁ´½Ó£¬Ëü²»Ôö¼Ó¶îÍâµÄĿ¼Ï¶øÊÇÒ»ÖÖÌ ......

linux¼à¿ØºÍ¹ÜÀí.txt

<P>ps£º²é¿´ÏµÍ³ÖеĽø³Ì£¬LinuxÖпÉÒÔʹÓÃps -aux²é¿´ËùÓнø³Ì </P> <P>²ÎÊýw±íʾ¼Ó¿íÏÔʾµÄÃüÁîÐУ¬²ÎÊýw¿ÉÒÔд¶à´Î£¬Í¨³£×î¶àд3´Î£¬±íʾ¼Ó¿í3´Î£¬Õâ×ãÒÔÏÔʾºÜ³¤µÄÃüÁîÐÐÁË¡£ÀýÈ磺ps -auxwww </P> <P>top£ºÏÔʾϵͳÄÚ´æ¡¢cpuʹÓÃÇé¿ö£¬²¢¿É×Ô¶¯Ë¢Ð½ø³ÌÁбí </P> <P>vmstat ......

Linux°²×°JDKÏêϸ²½Öè2

Linux°²×°JDK²½Öè1. ÏÈ´ÓÍøÉÏÏÂÔØjdk(jdk-1_5_0_02-linux-i586.rpm) £¬ÍƼöSUNµÄ¹Ù·½ÍøÕ¾www.sun.com£¬ÏÂÔغó·ÅÔÚ/homeĿ¼ÖУ¬µ±È»ÆäËüµØ·½Ò²ÐС£
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#cd /home
#cp jdk-1_5_0_02-linux-i586.rpm /usr/local
#cd /usr/local
¸øËùÓÐÓû§Ìí¼Ó¿ÉÖ´ÐеÄȨÏÞ
#chmod +x jdk-1_5_0_02-linux-i586.rpm.bin
#./jd ......
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