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1£© hellokernel.c ÎҵıàÒë»·¾³ÊÇÔÚÐéÄâµÄLinux Redhat 5.0 ÉϱàÒëµÄ
#include <linux/init.h>
#include <linux/module.h>
MODULE_LICENSE("Dual BSD/GPL")£» //Õâ¸öºêµÄÒâ˼ÎÒ»¹ÊDz»Ì«Ã÷°×£¬Ö±½Ó³­Á˹ýÀ´
static int hello_init(void)
{
    printk(KERN_ALERT"Hello,world\n");
    return 0;
}
static void hello_exit(void)
{
    printk(KERN_ALERT"Goodby,cruel world\n");
}
module_init(hello_init);  //µ±ÄÚºËÄ£¿é±»×°ÔصÄʱºòµ÷ÓÃhello_initº¯Êý
module_exit(hello_exit); //µ±ÄÚºËÄ£¿é±»Ð¶ÔصÄʱºòµ÷ÓÃhello_exitº¯Êý
2£©Ô´´úÂë×¼±¸ºÃÁËÖ®ºóÏÂÃæ¾ÍÊDZàÒëµÄÎÊÌâ
step1:  ×¼±¸ºÃlinuxÄÚºËÔ´´úÂ룬עÒâ°æ±¾ºÅÒªÓëÖ÷»úÒ»Ö£¬ÕâÀïÒòΪÎÒÖ±½ÓÔÚÖ÷»ú£¨Linux»úÆ÷£©ÉϱàÒ룬ËùÒÔ²»´æÔÚ½»²æ±àÒëµÄÎÊÌâ¡£²é¿´linux»úÆ÷µÄÄں˰汾ºÅÓкܶàÃüÁÎÒÓõÄÊÇuname -r
[root@localhost ~]# uname -r
2.6.18-128.el5
¿´µ½Äں˰汾֮ºó¾Í¿ÉÒÔÔÚ¹ÙÍøÉÏÏÂÔضÔÓ¦°æ±¾µÄÄںˡ£http://www.kernel.org/pub/linux/kernel/v2.6/ÔÚÕâÀïÕÒµ½linux-2.6.18.tar.bz2 Õâ¸ö°æ±¾£¬È»ºó½âѹµ½/usr/src/Ŀ¼Ï¡£½âѹÃüÁîÊÇtar -xvf linux-2.6.18.tar.bz2¾Í¿ÉÒÔÁË¡£
step2:  ×¼±¸¹¤×÷×öºÃÖ®ºóÊ×ÏÈÊDZàÒëÄںˣ¬Èç¹ûÄãÏÂÔصÄÄں˰汾ºÍÄãµÄÖ÷»ú°æ±¾ÊÇÒ»Ò»¶ÔÓ¦µÄ£¬ÄÇô±àÒëÆðÀ´ºÜ¼òµ¥µÄ£¬Ò»°ãûÓÐʲôÎÊÌâµÄ£¬Ö÷Òª¾ÍÊǼ¸¸ömakeÃüÁ
make oldconfig
make prepare
make scripts
step 3: ÏÂÃæ¾ÍÊÇÔÚhellokernel.cµÄĿ¼Ï±àдMakefileÎļþ£¬×¢ÒâMakefileµÄµÚÒ»×Öĸ±ØÐë´óд£¬ÎÒ¾ÍÊÇÔÚÕâÀï·¸´í£¬²éÁË°ëÌìû²é³öÎÊÌâ¡£MakefileµÄ±àд¶ÔÓÚÕâ¸öÀý×Ӻܼòµ¥£¬µ«ÊÇÈç¹û¸´ÔÓµÄÄÚºËÄ£¿éµÄ¿ª·¢»¹ÊÇÒªºÃºÃѧϰÔõô±àдµÄ¡£
Æäʵ¾ÍÊǼòµ¥µÄ¼¸¾ä»°¾ÍokÁË£º
obj-m := hellokernel.o //Ä¿±êÄ£¿éµÄ±àÒëÀ´×ÔÓÚhellokernel.oµÄÎļþ, hellokerne


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ls -all /dev/disk/by-uuid
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lrwxrwxrwx 1 root root 10 2009-09-19 08:17 05434a61-8a78-4ee5- a5db-6a49079b9e3d -> ../../sda5
lrwxrwxrwx 1 root root 10 2009-09-19 08:17 07D8-0104 -> ../../sda1
lrwxrwxrwx 1 root root 10 2009-09-19 08:17 18201249-998a-4bb1 ......

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#!/usr/bin/env python2.6
# -*- coding: utf-8 -*-
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