LinuxÎļþ²Ù×÷ƪ
1.н¨Îļþ
Ö¸Áî:¢Ù> ÎļþÃû
¢Útouch ÎļþÃû
2.ɾ³ýÎļþ
Ö¸Áî:rm
²ÎÊý:-d Ö±½Ó°ÑÓûɾ³ýµÄĿ¼µÄÓ²Á¬½ÓÊý¾Ýɾ³É0,ɾ³ýĿ¼
-f Ç¿ÖÆÉ¾³ýÎļþ»òĿ¼
-i ɾ³ý¼ÈÓÐÎļþ»òĿ¼֮ǰÏÈѯÎÊÓû§
-r µÝ¹é´¦Àí,½«Ö¸¶¨Ä¿Â¼ÏµÄËùÓÐÎļþ¼°×ÓĿ¼һ²¢´¦Àí
-v ÏÔʾָÁîÖ´Ðйý³Ì
Ïà¹ØÎĵµ£º
·¢²¼µÄ 2.6.23 ÄÚºËÖаüº¬ÁËÒ»¸öÖØÒªµÄ±ä»¯£¬ÓÃCFSÌæ´úÁËÒÔǰµÄµ÷¶ÈÆ÷¡£CFS ±»ºÏ²¢µ½ mainline ֮ǰ£¬¹ØÓÚÄں˵÷¶ÈÆ÷»¹ÓÐÒ»¸öÖØÒªµÄ patch£ºRSDL¡£×îÖÕ 2.6.23 ¾ö¶¨½« CFS ºÏ²¢µ½ mainline ¶ø·ÅÆúÁË RSDL¡£ÎªÊ²Ã´ÒªÒýÈëеĵ÷¶ÈÆ÷£¬CFS ºÍ RSDL ÓÐʲôÁªÏµºÍÇø±ð£¿±¾ÎÄÊÔͼ¶ÔÄں˵÷¶ÈËã·¨µÄ·¢Õ¹ÀúÊ·×öÒ»¸ö¼òÒª½éÉÜ£¬Ï£ÍûÄ ......
1.Ôö¼ÓÓ²¼þ
Ôö¼ÓµÄideÓ²ÅÌǰ׺Ϊhd£¬scsiÓ²ÅÌǰ׺Ϊsd£»µÚÒ»¿éÓ²ÅÌΪhda»òsda£¬µÚ¶þ¿éÓ²ÅÌΪhdb»òsdb,ÒÔ´ËÀàÍÆ¡£
2.ÓÃpvcreate´´½¨physical volumn
pvcreate /dev/sdb1 /dev/sdb2
´Ë´¦ËùÓõķÖÇøÊǵڶþ²½ÖвÙ×÷µÄÀàÐÍΪ8eµÄ·ÖÇø£¬pvcreateµÄ²ÎÊý¿ÉÒÔΪ1¸ö»ò¶à¸ö£»´´½¨Íê³Éºó¿ÉÒÔÓÃpvdisplay -vÀ´²é¿´´´½¨µÄÇé¿ö£¬ÓÃpvre ......
°²×°²½Ö裺
Ø °²×°resinǰÏÈÒª±£Ö¤°²×°ÁËJDK£¬¿ÉÒÔÓÃÃüÁî²é¿´ÊÇ·ñ°²×°ÁËJDK£º
[root@wxr webapps]# java -versions
java version "1.6.0_19"
Java(TM) SE Runtime Environment (build 1.6.0_19-b04)
Java HotSpot(TM) Client VM (build 16.2-b04, mixed mode, sharing)
Ø ÏÂÔØRes ......
LinuxÖÕ¶Ë»·¾³Ï£¬ÀûÓÃÖÕ¶ËÃüÁîÐòÁпÉÒÔÉèÖÃ×ÖÌåµÄÑÕÉ«£¬Æä¸ñʽÈçÏ£º
<ESC>[<C1>;<C2>;<C3>m
ÆäÖÐ<ESC>µÄֵΪ ......
LinuxÐźÅÁ¿ ¹²ÏíÄÚ´æºÍÏûÏ¢¶ÓÁÐ
1. ÐźÅÁ¿
ʹÓÃÐźÅÁ¿¿ÉÒÔʵÏÖ½ø³Ì¼äͬ²½¡£Ö÷Òªº¯Êý¶¨Ò壺
#include <sys/sem.h>
int semctl(int sem_id, int sem_num, int command, …);
int semget(key_t key, int num_sems, int sem_flags);
int semop(int sem_id, struct sembuf *sem_ops, size_t num_sem_ops);
& ......