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1. cd /root/homework/module
2. vi process.c
3. ¼ÓÈëÈçÏ´úÂ룺
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
static int process_init(void)
{
int num=0;
struct task_struct *p;
for_each_process(p)
{
struct task_struct *q=p->parent;
printk("pid=%-5d,name=%-20s,",p->tgid,p->comm);
printk("prio=%-5d,",p->prio);
printk("my_parent is: %s[%d]\n",q->comm,q->tgid);
num++;
}
printk("\ntotal number is: %d\n",num);
return num;
}
static void process_exit(void)
{
printk("==================\n");
printk("process_exit,GoodBye!\n");
}
module_init(process_init);
module_exit(process_exit);
MODULE_LICENSE("GPL");

4. vi Makefile
5. ¼ÓÈëÈçÏ´úÂë
obj-m :=process.o
all:
make -C /lib/modules/$(shell uname -r)/build M=$(shell pwd) modules
clean:
make -C /lib/modules/$(shell uname -r)/build M=$(shell pwd) clean
6. make
7. /sbin/init 3 ½øÈë×Ö·û½çÃæ
8. insmod process.ko ÏÔʾ½á¹û
9. rmmod process.ko ÒÆ³öÄںˣ¬ÏÔʾ½á¹û


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LinuxÏÂHelix·þÎñÆ÷ÅäÖüò½é


1. °²×°helix server.
     InstallRoot: /etc/httpd/rtsp
     administrator account : yanweicheng/1
     rtsp¶Ë¿ÚºÅ 554, http port: 8080, mms: 1755, Administrator request: 14525
2 Æô¶¯
   cd $InstallRoot/Bin
  &nb ......

linux³õѧ

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cd / && tree >> ~/filesystem.tree
Õ⽫ÊÇÒ»¸ö¶à´ï8MµÄÎļþ£¬ÀïÃæ»áÃèÊöÕû¸öÎļþϵͳµÄĿ¼¼°ÆäÎļþ½á¹¹£¬ÏÖÔÚ¾ÍÕûÌå¶øÑÔÀ´¸ÅÊöһϣº
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/
Îļþϵͳ¸ùĿ¼£¬Î»ÓÚÕû¸öÎļþϵͳµÄ×î¶¥¼¶
/boot  
´æ·Å×ÅÆ ......

linux ftpÃüÁîʹÓã¬ÏÂÔØÎļþ

Linux ftpÃüÁîµÄ¹¦ÄÜÊÇÓÃÃüÁîµÄ·½Ê½À´¿ØÖÆÔÚ±¾µØ»úºÍÔ¶³Ì»úÖ®¼ä´«ËÍÎļþ
Linux ftpÃüÁîµÄÒ»°ã¸ñʽÈçÏ£º
$ ftp Ö÷»úÃû/IP
×î³£ÓõÄÃüÁîÓУº
   ls ÁгöÔ¶³Ì»úµÄµ±Ç°Ä¿Â¼
   cd ÔÚÔ¶³Ì»úÉϸı乤×÷Ŀ¼
   lcd ÔÚ±¾µØ»úÉϸı乤×÷Ŀ¼
   ascii ÉèÖÃÎļþ´«Ê䷽ʽΪASCIIģʽ ......

linuxϵͳά»¤³£ÓòÙ×÷ÃüÁî

linuxϲ鿴Ŀ¼´óС- -
 du -sb /dir
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find . -print
²éÕÒ/var/logsĿ¼Öиü¸Äʱ¼äÔÚ7ÈÕÒÔǰµÄÆÕͨÎļþ£¬²¢ÔÚɾ³ý֮ǰѯÎÊËüÃÇ
find /var/logs -type f -mtime +7 -ok rm {  } \;
δÍê´ýÐø£¡ ......

LinuxÄں˱àÒë

¼ÌÐøÊáÀíÒÔǰѧϰµÄ֪ʶ£¬µ±³õѧϰ¡¶Linux and Open Source¡·Ê±ºòµÄ×÷Òµ£¬Äں˱àÒë¡£
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Fedora£¬ÄÚºË2.6.21.6
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Ò»¡¢ ±àÒëÄÚºË
1. ´Ówww.kernel.org ÏÂÔØÔ´´úÂë linux-2.6.21.6.tar.bz2 ÖÁ /usr/src
2. cd /usr/src £¬½øÈë/usr/src Ŀ¼
3. tar xvjf linux-2.6.21.6.tar.bz2 ½âѹԴÂë°ü
4. l ......
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