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1.4 InternetÉϵÄLinux×ÊÔ´

1.4  InternetÉϵÄLinux×ÊÔ´
InternetÉÏÓÀÔ¶¶¼²»È±ÉÙLinux×ÊÔ´£¬³ýÁË1.3.1½ÚÁгöµÄ¸÷·¢ÐаæµÄ¹Ù·½ÍøÕ¾Í⣬»¹Óкܶà×éÖ¯ºÍ¸öÈ˽¨Á¢Á˸÷ÖÖLinuxÍøÕ¾ºÍÂÛ̳£¬ÕâЩ×ÊԴΪLinuxÓû§ÌṩÁË´óÁ¿Ö§³Ö¡£¾­³£¹â¹ËÕâЩµØ·½²¢¼°Ê±Êµ¼ùÊÇѧϰLinuxµÄ×îºÃ;¾¶¡£±í1.2ºÍ±í1.3·Ö±ðÁгöÁ˹úÍâºÍ¹úÄڵij£ÓÃLinuxÕ¾µã¡£
±í1.2  ³£ÓõĹúÍâLinux×ÊÔ´
¹ú Íâ Íø Õ¾
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lwn.net
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www.freshmeat.net
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www.justlinux.com
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www.kernel.org
LinuxÄں˵Ĺٷ½ÍøÕ¾
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www.linuxhq.com
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www.linuxtoday.com
·Ç³£ÍêÕûµÄLinuxÐÂÎÅÕ¾µã
 
±í1.3  ³£ÓõĹúÄÚLinux×ÊÔ´
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www.linuxeden.com
LinuxÒÁµéÔ°£¬×î´óµÄÖÐÎÄ¿ªÔ´×ÊѶÃÅ»§ÍøÕ¾
www.linuxfans.org
ÖйúLinux¹«É磬ӵÓÐ×Ô¼ºµÄLinux·¢Ðа汾Magic Linux
www.linuxsir.org
ÌṩLinux¸÷ÖÖ×ÊÔ´¡¢°üÀ¨×ÊѶ¡¢Èí¼þ¡¢ÊÖ²áµÈ
 
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ÔÚLinuxϲúÉú²¢µ÷ÊÔcoreÎļþ

ÔÚLinuxϲúÉú²¢µ÷ÊÔcoreÎļþ
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$ uname -a
Linux dev 2.4.21-9.30AXsmp #1 SMP Wed May 26 23:37:09 EDT 2004 i686 i686 i386 GNU/Linux
ÔÙ¿´¿´Ä¬ÈϵÄһЩ²ÎÊý£¬×¢Òâcore file sizeÊǸö0£¬³ÌÐò³ö´íʱ²»»á²úÉúcoreÎļþÁË¡£
$ ulimit -a
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
file size (blocks, -f) unlimited
max locked memory (kbytes, -l) 4
max memory size (kbytes, -m) unlimited
open files (-n) 2048
pipe size (512 bytes, -p) 8
stack size (kbytes, -s) 10240
cpu time (seconds, -t) unlimited
max user processes (-u) 7168
virtual memory (kbytes, -v) unlimited
д¸ö¼òµ¥µÄ³ÌÐò£¬¿´¿´coreÎļþÊDz»Êǻᱻ²úÉú¡£
$ more foo.c
#include <stdio.h>
static void sub(void);
int main(void)
{
    sub();
    return 0;
}
static void sub(void)
{
    int *p = NULL;
    /* derefernce a null pointer, expect core dump. */
    printf("%d", *p);
}
$ ......

µÚ2ÕÂ Linux°²×°

µÚ2Õ Linux°²×°Á˽âÁËLinuxµÄÀúÊ·ºÍ·¢Õ¹¹ý³Ì£¬¶ÁÕß´ó¸ÅÒѾ­¼±ÇеØÏëÒª°ÑLinux°²×°µ½×Ô¼ºµÄ¼ÆËã»úÉÏ¡£ÎÞËùη¾åµÄ¶ÁÕß¿ÉÄÜÒѾ­ÔÚÔĶÁ±¾ÕÂ֮ǰ¾Í×ö¹ýÕâÑùµÄ³¢ÊÔ¡£ÎÞÂÛÕâЩ³¢ÊÔ×îÖÕÊdzɹ¦»¹ÊÇʧ°Ü£¬¾Í´ÓÕâÀ↑ʼLinuxÖ®Âðɣ¡ ......

2.2 °²×°LinuxÖÁÓ²ÅÌ

2.2  °²×°LinuxÖÁÓ²ÅÌ
×¼±¸¹¤×÷Íê³ÉÖ®ºó£¬¾Í¿ÉÒÔ×ÅÊÖ½«Linux°²×°µ½Ó²ÅÌÖÐÁË¡£Èç½ñLinuxµÄ°²×°¹ý³ÌÒѾ­·Ç³£“ɵ¹Ï”»¯£¬Ö»ÐèÒªÇáµã¼¸ÏÂÊó±ê£¬¾ÍÄܹ»Íê³ÉÕû¸öϵͳµÄ°²×°¡£¾¡¹ÜÈç´Ë£¬ÕâÀïÈÔÈ»ÏêϸµØ¸ø³ö°²×°¹ý³ÌµÄÿһ²½¡£Í¬Ê±£¬¶ÔÓÚºÍWindows´æÔÚÏÔÖøÇø±ðµÄµØ·½£¬ÈçÓ²ÅÌ·ÖÇøµÄ×éÖ¯·½Ê½£¬±¾½Ú½«×öÏêϸµÄÌÖÂÛ¡£ ......

ÈüÃÅÌú¿ËBERS 2010ÐÂÔöLinux±¸·Ý»¹Ô­

ÈüÃÅÌú¿ËÍÆ³öаæBackupExec System Recovery 2010(BERS 2010)£¬Ö§³ÖLinuxϵͳÊý¾Ý±¸·Ý»¹Ô­¹¦ÄÜ£¬²¢ÌṩÃâ·ÑBERS Management Solution 2010¹ÜÀí¹¤¾ß¡£¡¡¡¡
аæBERS 2010¿ÉÖ§³Ö΢ÈíExchange¡¢SharePoint¡¢Active
Directory¡¢Windows Server¡¢SQL
ServerÓëVMwareESXÐéÄâ»úÌṩ×Ô¶¯»¯Åų̵ÄÊý¾Ý±¸·Ý¡¢»¹Ô­¹¦ÄÜ¡£³ý¸üÐÂ΢Èí²úÆ·µÄÖ§³Ö£¬ÀýÈç×îеÄExchange
2010ÓëWindows Server 2008 R2£¬»¹ÓиöÈ˶˵ÄWindows 7;BERSÒ²ÐÂÔöLinux°æ±¾£¬¿ÉÖ§³ÖRed
Hat¡¢SUSEµÈLinux²Ù×÷»·¾³Êý¾Ý±¸·Ý¡¢»¹Ô­ÐèÇó¡£
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VMware vSphere 4.0¡¢Î¢ÈíHyper-V Server 2008ÓëCitrix XenServer
5.x¡£µ±ÆóÒµÐèÔÚʵÌåתÐéÄâ»òÐéÄâתʵÌåµÄÊý¾Ý»¹Ô­¹¦ÄÜÉÏ£¬¿ÉÒÀ²»Í¬ÐéÄⲿÊð¼Ü¹¹Ê¹Óû¹Ô­¹¦ÄÜ¡£
³ÂÁ¦Î¬»¹±íʾ£¬ÎªÁ˼õÇáÊý¾Ý±¸·Ý¸ºµ££¬BERS 2010δÀ´Ò²Ìá¹©ÖØ¸²Êý¾Ýɾ³ý¹¦ÄÜ£¬Ä¿Ç°ÒÑÑûÇ벿·ÝÓû§ÊÔÓøù¦ÄÜ¡£
ÁíÍ⣬BERS 2010Ò²ÍÆ³öÃâ·ÑÏÂÔØÊ¹ÓõÄBERS Management Solution
2010£¬ÒÔSMP
7.0Ϊ»ù´¡¿É¹ÜÀíÊýǧ̨µçÄÔ£¬¿É¶ÔÓû§¶Ë·¢ËÍ´úÀí³ÌÐò£¬Í¬ÑùÖ§³Ö΢ÈíÓëLinux²Ù×÷»·¾³£¬²¢¶ÔÊý¾Ý±¸·ÝµÄÄ¿µÄµØ½øÐÐ¼à¿Ø¡¢Åų̣ ......

LinuxÄÚºËͬ²½£¬½ø³Ì£¬Ïß³Ìͬ²½

°üÀ¨ÎÒ×Ô¼ºÔÚÄÚ£¬ºÜ¶àÈ˶ÔÄںˣ¬½ø³Ì£¬Ïß³Ìͬ²½¶¼²»ÊǺÜÇå³þ£¬ÏÂÃæÉÔ΢×ܽáһϣº
 
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1. Mutex£¨»¥³â£©
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#include <linux/mutex.h>
³õʼ»¯·½·¨£º
DEFINE_MUTEX(name);»òÕß
void mutex_init(struct mutex *lock);
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void mutex_lock (struct mutex *lock);
Tries to lock the mutex, sleeps otherwise.
Caution: can't be interrupted, resulting in processes you cannot kill!
int mutex_lock_interruptible (struct mutex *lock);
Same, but can be interrupted. If interrupted, returns a non zero value and doesn't hold the lock. Test the return value!!! 
int mutex_trylock (struct mutex *lock);
Never waits.&nb ......
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