linux¹ÒÔØÔÓÐLVMÅÌ
·¶Àý£º
1¡¢pvs
¡¡¡¡[root@localhost yuanbor]# /sbin/pvs ¼ì²éÊÇ·ñÓÐÖØÃûµÄVG×é
¡¡¡¡2¡¢vgrename
¡¡¡¡[root@localhost yuanbor]#/sbin/vgrename [VG UUID] /dev/VolGroup01 #½«Öظ´µÄVG×é ¸ù¾ÝUUID¸ÄΪ VolGroup01
¡¡¡¡[root@localhost yuanbor]# /sbin/pvs #¼ì²é Ð޸Ľá¹û
¡¡¡¡3¡¢lvscan
¡¡¡¡[root@localhost sdb3]# /sbin/lvscan #¼ì²é Âß¼¾í״̬
¡¡¡¡¿ÉÒÔ¿´µ½ÐÂÐ޸ĵÄVolGroup01ÊÇinactive״̬¡£
¡¡¡¡4¡¢vgchange
¡¡¡¡[root@localhost sdb3]# /sbin/vgchange -ay /dev/VolGroup01 #¼¤»î¸ÄÃûºóµÄVolGroup01
¡¡¡¡[root@localhost mnt]# /sbin/lvscan #¼ì²é¼¤»î½á¹û
¡¡¡¡5¡¢mount
¡¡¡¡[root@localhost mnt]# mount /dev/VolGroup01/LogVol00 /mnt/sdb3 #¹ÒÔØÂß¼¾í ¹ÒÔØµã¿ÉÒÔ×Ô¶¨Òå
×¢Ò⣺1²»Ò»¶¨Äܹ»ÏÔʾ´íÎó£¬Èç¹û²»±¨´í¿ÉÒÔʹÓÃvgdisplayÃüÁî²éÕÒ VG UUID
ÕÒµ½ºó¼ÌÐø 2
Ïà¹ØÎĵµ£º
LinuxÄں˵÷ÊÔ
1 printk
[1] ʹÓ÷¶Î§
³ýÔÚϵͳÆô¶¯¹ý³ÌÖÐ,ÖÕ¶Ëδ³õʼ»¯Ö®Ç°, ÆäËûÈκÎʱºò,Èκεط½¶¼¿ÉÒÔµ÷ÓÃËü.
[2] ¼Ç¼µÈ¼¶
KERN_EMERG, KERN_ALERT, KERN_CRIT, KERN_ERR, KERN_WARNING, KERN_NOTICE, KERN_INFO, KERN_DEBUG.
Èô²»Ö¸¶¨¼Ç¼µÈ¼¶,º¯Êý»áÑ ......
ʲôÊǵȴý¶ÓÁУ¿
ÔÚÈí¼þ¿ª·¢ÖÐÈÎÎñ¾³£ÓÉÓÚijÖÖÌõ¼þûÓеõ½Âú×ã¶ø²»µÃ²»½øÈë˯Ãß״̬£¬È»ºóµÈ´ýÌõ¼þµÃ
µ½Âú×ãµÄʱºòÔÙ¼ÌÐøÔËÐУ¬½øÈëÔËÐÐ״̬¡£ÕâÖÖÐèÇóÐèÒªµÈ´ý¶ÓÁлúÖÆµÄÖ§³Ö¡£
Linux
ÖÐÌṩÁ˵ȴý¶ÓÁеĻúÖÆ£¬¸Ã»úÖÆÔÚ
ÄÚºËÖÐÓ¦Óúܹ㷺¡£
&n ......
¡¾ÊµÑé»·¾³¡¿
Fedora£¬ÄÚºË2.6.21.6
¡¾ÊµÑé²½Öè¡¿
1. cd /usr/src/linux
2. vi kernel/sys.c
ÔÚ×îºóÌí¼ÓÈçÏ´úÂ룺
asmlinkage long sys_processinfo(void)
{
int num=0;
unsigned long state;
struct task_struct *p;
for_each_process(p)
{
printk("pid=%-5d,name=%-20s",p->tgid,p->co ......
ÔÚLINUX»·¾³¿ª·¢Çý¶¯³ÌÐò£¬Ê×ÏÈҪ̽²âµ½ÐÂÓ²¼þ£¬½ÓÏÂÀ´¾ÍÊÇ¿ª·¢Çý¶¯³ÌÐò¡£
³£ÓÃÃüÁîÕûÀíÈçÏ£º
ÓÃÓ²¼þ¼ì²â³ÌÐòkudzu̽²âÐÂÓ²¼þ£ºservice kudzu start ( or restart)
²é¿´CPUÐÅÏ¢£ºcat /proc/cpuinfo
²é¿´°å¿¨ÐÅÏ¢£ºcat /proc/pci
²é¿´PCIÐÅÏ¢£ºlspci (Ïà±Ècat /proc/pci¸üÖ±¹Û£©
²é¿´ÄÚ´æÐÅÏ¢£ºcat /proc/memin ......
Linux»ù±¾²Ù×÷ÃüÁî
Ê×ÏȽéÉÜÒ»¸öÃû´Ê“¿ØÖÆÌ¨£¨console£©”£¬Ëü¾ÍÊÇÎÒÃÇͨ³£¼ûµ½µÄʹÓÃ×Ö·û²Ù×÷½çÃæµÄÈË»ú½Ó¿Ú£¬ÀýÈçdos¡£ÎÒÃÇ˵¿ØÖÆÌ¨ÃüÁ¾ÍÊÇָͨ¹ý×Ö·û½çÃæÊäÈëµÄ¿ÉÒÔ²Ù×÷ϵͳµÄÃüÁÀýÈçdosÃüÁî¾ÍÊÇ¿ØÖÆÌ¨ÃüÁî¡£ÎÒÃÇÏÖÔÚÒªÁ˽âµÄÊÇ»ùÓÚLinux²Ù×÷ϵͳµÄ»ù±¾¿ØÖÆÌ¨ÃüÁî¡£ÓÐÒ»µãÒ»¶¨Òª×¢Ò⣬ºÍdosÃüÁͬµÄ ......