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ÓÃÈí¼þlm_sensors¼à²âLinuxϵͳºÍCPUζÈ

ÔÚLinuxÏÂÓиö½Ðlm_sensorsµÄÈí¼þ¿ÉÒÔ°ïÖúÎÒÃÇÀ´¼à¿ØÖ÷°å£¬CPUµÄ¹¤×÷µçѹ£¬·çÉÈתËÙ¡¢Î¶ȵÈÊý¾Ý¡£ÕâЩÊý¾ÝÎÒÃÇͨ³£ÔÚÖ÷°åµÄ
BIOSÒ²¿ÉÒÔ¿´µ½¡£µ±ÎÒÃÇ¿ÉÒÔÔÚ»úÆ÷ÔËÐеÄʱºòͨ¹ýlm_sensorsËæʱÀ´¼à²â×ÅCPUµÄζȱ仯£¬¿ÉÒÔÔ¤·ÀºÇ±£»¤ÒòΪCPU¹ýÈȶø»áÉÕµô¡£

1. °²×°lm_sensors

ÏÖÔÚ»ù±¾ÉÏÿ¸öLinux¶¼ÒѾ­ÓÐlm_sensors°üÁË£¬ÎÒÃÇÖ÷Òª°²×°Á˾ͿÉÒÔÁË¡£»òÕßÎÒÃÇÒ²¿ÉÒÔͨ¹ýÔ´ÎļþÀ´×Ô¼º±àÒë¡£

1£©ÔÚFC£¬RH£¬ CENTOSÏ£¬ÓÃrpm£º

[root@securitycn ~]# rpm -ivh lm_sensors-2.10.0-3.1.i386.rpm

3£©±àÒëÔ´Îļþ°²×°

ÎÒÃÇ¿ÉÒÔͨ¹ý£ºÕâÀïÏÂÔØ
Ô´Îļþ

ÕâÀïÎÒÃÇҪעÒâµÄÎÊÌâÊÇÒªÏÈ°²×°libsysfs¿â£¬ÊÇSysfsutils£¬Sysfsutils£­develÈí¼þ

tar xzvf lm-sensors-xxx.tar.gz

make user

make user_install testing

ÏÂÃæÎÒÃǾÍÓÃһЩ¼òµ¥µÄÃüÁîÀ´ÀûÓÃlm_sensorsÀ´µÃµ½CPUµÄÊý¾Ý¡£ÎÒÃÇÒªÓÃrootµÄÉí·ÝÀ´£º

sensors-detect£¬È»ºóËü»á×Ô¶¯ËÑË÷Ö÷°åÉϵÄchipsetºÍÏàÓ¦µÄdriver£¬ÎÒÃÇÈ«²¿´ðYES¾Í¿ÉÒÔÁË

[root@securitycn ~]# sensors-detect

# sensors-detect revision 1.413 £¨2006/01/19 20£º28£º00£©

This program will help you determine which I2C/SMBus modules you need to

load to use lm_sensors most effectively. You need to have i2c and

lm_sensors installed before running this program.

Also£¬ you need to be `root'£¬ or at least have access to the /dev/i2c-*

files£¬ for most things.

If you have patched your kernel and have some drivers built in£¬ you can

safely answer NO if asked to load some modules. In this case£¬ things may

seem a bit confusing£¬ but they will still work.

It is generally safe and recommended to accept the default answers to all

questions£¬ unless you know what you're doing.

We can start with probing for £¨PCI£© I2C or SMBus adapters.

You do not need any special privileges for this.

Do you want to probe now£¿ £¨YES/no£©£º

È«²¿Ä¬ÈÏYES¼´¿É¡£

È»ºóÎÒÃÇÆô¶¯lm_sensors £º

/etc/init.d/lm_sensors start

Starting lm_sensors£º [ OK ]

ÎÒÃÇ¿ÉÒÔͨ¹ýlsmodÀ´È·¶¨ÎÒÃÇÐèÒªµÄdriverÒѾ­¼ÓÔØÁËûÓÐ

lsmod | grep i2c


Ïà¹ØÎĵµ£º

ʵսLinux Bluetooth±à³Ì£¨ËÄ£© L2CAP²ã±à³Ì

£¨L2CAPЭÒé¼ò½é£¬L2CAPÔÚBlueZÖеÄʵÏÖÒÔ¼°L2CAP±à³Ì½Ó¿Ú£©
Ò»£ºL2CAPЭÒé¼ò½é£º
Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼­Á¬½Ó¿ØÖƺÍÊÊÅäЭÒé (L2CAP) ΪÉϲãЭÒéÌṩÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àЭÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãЭÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......

Apache LinuxÉÏRPM°üжÔØ ±¸Íü

[root@apache02 home]# rpm -q -a|grep http
httpd-2.0.52-25.ent
httpd-manual-2.0.52-25.ent
system-config-httpd-1.3.1-1
httpd-devel-2.0.52-25.ent
httpd-suexec-2.0.52-25.ent
#rpm -e httpd-2.0.52-25.ent
error: Failed dependencies:
        httpd-mmn = 20020903 is ......

linux fork() º¯ÊýʵÀýÏê½â

forkº¯Êýѧϰ£º
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
main ()
{
  pid_t pid; pid=fork();
  if (pid < 0)
    printf("error in fork!");
  else if (pid == 0)
    printf("i ......

LinuxÄÚºËÉ豸ģÐÍ(4)

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2009/12/02
Ô­ÎÄ£ºlinux/Documentation/driver-model/class.txt
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<Insert List of Device Classes Here>
ÿ¸öÉ豸ÀඨÒåÁËÒ»Ì×Óï·¨ºÍÉ豸×ñÑ­µÄ±à³Ì½Ó¿Ú¡£É豸Çý¶¯¾ÍÊÇΪÌض¨×ÜÏßÉϵÄ
Ìض¨É豸¶ ......
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