Linux NFS ʹÓÃ×ܽá
1. ·þÎñÆ÷nfsµÄÅäÖÃ
2. ¿Í»§¶ËnfsµÄÅäÖÃ
3. ʹÓÃnfs
3.1 ×÷Ϊ¹²ÏíÎļþϵͳmount
3.2 ×÷Ϊ¸ùÎļþϵͳmount
4.±¸ ×¢
nfsÊÇNetwork File System£¬»ùÓÚRPC(Remote Procedure Call ProtocolÔ¶³Ì¹ý³Ìµ÷ÓÃÐÒé)ʵÏÖ¡£
1.·þÎñÆ÷nfsµÄÅäÖÃ
1.1 startàsystem settingànfsÌí¼Ó¹²Ïí·¾¶¡¢ÔÊÐí·ÃÎʵĿͻ§¶ËIPÒÔ¼°·ÃÎÊ·½Ê½
Ìí¼ÓÖ®ºóÔò´æµ½/etc/exportsÎļþÖУ¬È磺/home/rrhudp0216 128.0.0.*(rw,sync):ÍøÂçÉϹ²Ïí/home/rrhudp0216,ÔÊÐí128.0.0.*Íø¶ÎµÄËùÓÐIP¿ÉÒÔ¶Áд·ÃÎʸÃÎļþ¼Ð¡£
1.2 services nfs restartÖØÆônfs
1.3 services portmap restart ÖØÆôportmap
1.4 services iptables stop ¹Ø±Õ·À»ðǽ
1.5 services iptables status ·À»ðǽ״̬²é¿´£¨È·ÈÏ·À»ðǽ±»¹Ø±Õ£©
2.¿Í»§¶ËnfsµÄÅäÖÃ
2.1 makemenuconfigàFile SystemsàNetwork File SystemsÖÐÑ¡ÉÏ
2.2 Network ApplicationÖÐÑ¡ÔñportmapÏî
3.ʹÓÃnfs
3.1 ×÷Ϊ¹²ÏíÎļþϵͳmount
ϵͳÆðÀ´Ö®ºó£º
#mkdir /var/nfs
#chmod 777 nfs
#mount –t nfs –o tcp 128.0.0.7:/home/rrhudp0216 /var/nfs
# ls
Makefile fmod.c rrh_init.c~
Makefile_bk freqnum.h rrh_init.h
Makefile~ frequency.h rrh_init.o
…
3.2 ×÷Ϊ¸ùÎļþϵͳmount
ÔÚU-bootÏÂÉèÖÃU-boot»·¾³±äÁ¿£º
U-boot->setenv bootargs ‘root=/dev/nfs rw nfsroot=128.0.0.7:/home/rrhudp0216,proto=tcp,nfsvers=3,nolock ip=128.0.0.28:128.0.0.7:128.0.0.1:255.255.0.0::eth0:off’
ϵͳÆô¶¯Ö®ºó
NET: Registered protocol family 1
NET: Registered protocol family 17
IP-Config: Complete:
device=eth0, addr=128
Ïà¹ØÎĵµ£º
sys_execve
| - do_execve
|
| - search_binary_handler
|- linux_binfmt= elf_format
|- elf_format-> load_elf_binary
| -&nbs ......
תÀ´µÄ£¬Ã»Ê¿ÉÒÔ¿´¿´
bin = BINaries
/dev = DEVices
/etc = ETCetera
/lib = LIBrary
/proc = PROCesses
/sbin = Superuser BINaries
/tmp = TeMPorary
/usr = Unix Shared Resources
/var = VARiable ?
FIFO = First In, First Out
GRUB = GRand Unified Bootloader
IFS = Internal Field Seperators
LILO ......
¾Å£º¼¸µã²¹³ä£º
1: SlabÖÐʹÓõÄÒ³Ãæ¶¼»á¼ÓÉÏ“PG_slab”±êÖ¾£¬ÒÔ¸úÒ»°ãµÄÒ³ÃæÇø±ð¡£ÁíÍ⣬ÔÚÊÍ·ÅÄÚ´æµÄʱºò£¬¾³£ÐèÒªÓõ½´ÓÒ³Ãæµ½slabµÄ¶ÔӦת»»¹ØÏµ¡£ÄÇÊÇÔõÑù±êʶµÄÄØ£¿
¹ØÓÚ±êÖ¾£º
×¢ÒâÓÐÒÔÏ´úÂ룺
static void *kmem_getpages(kmem_cache_t *cachep, int flags, int nodeid)
{
&n ......
µãÆÀ£º°²×°Èí¼þ°ü rpm -i °üÈ«Ãû ɾ³ý rpm -e name(²»ÊǰüÃû) ²ÎÊý -ivh »ñµÃÒ»¸öÏêϸµÄ°²×°½ø³Ì --nodeps ºöÂÔÒÀÀµ¹ØÏµ --force Ç¿ÖÆ°²×° -U °üÃû:Éý¼¶°²×° -F ¸üв»¹ÜÊÇʲôֱ½Ó¸²¸Ç --replacepkgsÕâÑù RPM ½«ºöÂԸôíÎóÐÅÏ¢ -vih --repla
ÄÚÈÝÀ´×Ô: ½Å±¾Ö®¼Ò www.jb51.net
°²×°Èí¼þ°ü
rpm -i °üÈ ......
http://www.faqs.org/docs/kernel/
µÄ11ºÍ12ÔÙÊÔÊÔ¡£
Linux Äں˵ÄWorkQueues API×öÁËÐÞ¸Ä
WorkQueue»úÖÆÔÊÐíÄں˴úÂëÔÚÍíÒ»µãµÄʱ¼äÖ´ÐС£Workqueueͨ¹ý´æÔÚµÄÒ»¸ö»òÕß¶à¸öרÃŵĽø³ÌʵÏÖ£¬È¥Ö´ÐжÓÁй¤×÷¡£ÒòΪÔÚ½ø³ÌµÄÉÏÏÂÎÄ»ã×ÜÖ´ÐУ¬Òò´ËÈç¹ûÐèÒª£¬Æä¿ÉÒÔsleep¡£WorkQueueÒ²¿ÉÒÔÑÓ³ÙÌØ¶¨Ê±¼ä ......