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static int __init leds_init(void)
{
 int result;
 int i;
 result = register_chrdev(LED_MAJOR, DEVICE_NAME, &leds_fops);
 if(result < 0){
  printk(DEVICE_NAME "can't register major number\n");
  return result;
 }
 
// static devfs_handle_t dev ......

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Ó¦Ó÷þÎñÆ÷£ºRed Hat Enterprise Edition
¿ª·¢Æ½Ì¨£ºCentOS 5.4
1.MySQLÊý¾Ý¿âÎÒÖ±½ÓÓÓyum -y install mysql-server
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2.JDKµÄ°²×°£¬ÔÚsun.comÏÂÔØ“.bin”Îļþ£¬È»ºó“sh ./jdk-6u17-linux-i586.bin”½âѹ£¬ÔÙ“mv jdk1.6.0_17 /usr/java”»»¸öµØ·½¡£
3.TomcatÒ²Ò»Ñù£¬°ÑÏÂÔØµÄÎļþÓÓtar -zxvf apache-tomcat-6.0.20.tar.gz”ÃüÁî½âѹ£¬È»ºó“mv apache-tomcat-6.0.20 /usr/tomcat”»»¸öλÖá£
4.EclipseͬÑùÓÓtar -zxvf eclipse-jee-galileo-SR1-linux-gtk.tar.gz”½âѹ£¬Ö®ºóÐèÒªÔÚ“eclipse.ini”ÎļþÖÐ×îÉÏ·½¼ÓÉÏ£º
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  ¿ÉÒÔʹÓÃÒ»ÏÂÃüÁîÆô¶¯atd·þÎñ£º
  [root@sso_4 sbin]# /sbin/service atd start
 
  ÒªÅж¨¸ÃÈí¼þ°üÊÇ·ñ±»°²×°ÁË£¬Ê¹ÓÃÃüÁ
  [root@sso_4 logs]# rpm -q at
  at-3.1.8-82.el4
  ÒªÅж¨¸Ã·þÎñÊÇ·ñÔÚÔËÐУ¬Ê¹ÓÃÃüÁ
  [root@sso_4 sbin]# /sbin/service atd status
  atd (pid 6383) ÕýÔÚÔËÐÐ...
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´´½¨Ò»¸öÎļþ“nmon.sh”:
touch nmon.sh
±àд¿ÉÖ´ÐеĽű¾Îļþ“nmon.sh”£º
[root@xxx nmon]# more nmon.sh
#!/bin/sh
./nmon_x86_fedora5 -fT -s 10 -c 60
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[root@xxx nmon]# chmod +x nmon.sh
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ÓÓat”ÃüÁʱִÐнű¾£º
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1.ÎïÀí²ã(Physical Layer,PH)
 
2.Êý¾ÝÁ´Â·²ã(Data Link Layer,DL)
 
3.ÍøÂç²ã(Network Layer,N)
 
4.ÔËÊä²ã(Transport Layer,T)
 
5.»á»°²ã(Session Layer,S)
 
6.±íʾ²ã(Presentation Layer,P)
 
7.Ó¦Óòã(Application Layer,A)
 
ÏÖÔÚ×îÁ÷ÐеÄÍøÂçЭÒéÎÞÒɾÍÊÇTCP/IP(Transmission Control Protocol/Internet Protocol)ЭÒé.
 
 
×¢:
 
l        IP £¨Internet Protocol£©£¬Íø¼ÊЭÒ飻IPÊÇTCP/IPµÄ×îµ×²ã£¬¸ß²ãЭÒ鶼Ҫת»¯ÎªIP°ü£¬IP°üº¬ÁËÔ´µØÖ·ºÍÄ¿µÄµØÖ·£¬Â·Óɾö²ßÒ²·¢ÉúÔÚIP²ã£»
 
l        ICMP £¨Internet Control Message Protocol£©£¬Íø¼Ê±¨ÎÄЭÒ飻Ëü°üÀ¨ÁËÊý¾Ý°üµÄ´íÎ󡢿ØÖƵÈÏà¹ØÐÅÏ¢¡£±ÈÈçpingÃüÁî¾ÍÊÇÀûÓÃICMPÀ´²âÊÔÒ»¸öÍøÂçµÄÁ¬½ÓÇé¿öµÄ¹¤¾ß£»
 
l        TCP £¨Transmission Control Protocol£©£¬´«Êä¿ØÖÆÐ­Òé¡£TCPÔËÐÐÔÚIPÖ®É ......

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 input_init(
)
=
>
=
>
class_register(
&
input_class)
;
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)
;
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register_chrdev(
INPUT_MAJOR,
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,
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;
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ÒÔ´ýÇý¶¯É豸.
drivers\input\keyboard\pxa3xx_keypad.
cΪÎÒÃǵÄkeyboardÉ豸,
pxa3xx_keypad_probe=
>
request_irq(
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enhanced_rotary_interrupt,
            IRQF_DISABLED,
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,
(
void
*
)
keypad)
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request_irq(
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keypad)
;
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static
irqreturn_t pxa3xx_keypad_interrupt(
int
irq,
void
*
dev_id)
{
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pxa3xx_keypad *
keypad =
......

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)
,
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ʹÓÃsudo cat /
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