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 1.       ·þÎñÆ÷nfsµÄÅäÖÃ
2.       ¿Í»§¶ËnfsµÄÅäÖÃ
3.       ʹÓÃnfs
3.1 ×÷Ϊ¹²ÏíÎļþϵͳmount
3.2 ×÷Ϊ¸ùÎļþϵͳmount
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nfsÊÇNetwork File System£¬»ùÓÚRPC(Remote Procedure Call ProtocolÔ¶³Ì¹ý³Ìµ÷ÓÃЭÒé)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


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/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
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The Linux Kernel Module Programming Guide

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