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umount Ŀ¼¿ÉÒÔ½â³ý¹ØÁª¹ØÏµ
±ØÐëÏÈÔÚ¿Í»§¶Ëumount£¬È»ºóÔÚ·þÎñÆ÷¶ËÍ£Ö¹nfs·þÎñ£¬ÒÔ¼°ÐÞ¸Ä/etc/exports£¬·ñÔòµÄ»°»áµ¼ÖÂdf -hÎÞ·¨¹Ø±Õ
¶þ¡¢mount.nfs: Input/output error
½â¾ö:ÔÚ¿Í»§¶ËÒ²ÐèÆô¶¯portmap
Èý¡¢ÐÞ¸ÄÍê±Ï/etc/exportsÎļþÖ®ºó£¬¿ÉÒÔÖØÆônfs·þÎñ£¬Ò²¿ÉÒÔʹÓÃexportfsÃüÁîÖØÐ¼ÓÔØexportsÎļþ(/usr/sbin/exportfs -a
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exportfsÃüÁîÏê½âhttp://study.chyangwa.com/IT/AIX/aixcmds2/exportfs.htm
Ô­Ìù:http://linux.chinaunix.net/bbs/archiver/?tid-905711.html
2007-8-8 14:40
 wzknet
ÊÖ°ÑÊÖ½ÌÄãLinuxϵͳÏ¿ìËÙÉèÖÃNFS
[color=Blue]Ò»¡¢NFS·þÎñ¶ËÉèÖã¨NFS·þÎñ¶ËIP£º10.10.10.10/25£©
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[root@localhost /]# cat /etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
1¡¢¼ì²éportmap·þÎñÔËÐÐ״̬£¨ÒòΪNFS¼°Æä¸¨Öú³ÌÐò¶¼ÊÇ»ùÓÚRPCµÄ£¬ËùÒÔÎÒÃÇҪȷ±£ÏµÍ³ÖÐÊ×ÏÈÔËÐÐportmap·þÎñ£©
[root@localhost /]# id
uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel) context=root:system_r:unconfined_t
[root@localhost /]# service portmap status
portmap is stopped
½á¹ûÏÔʾportmap·þÎñÊÇÍ£Ö¹µÄ£¬¿ÉÒÔͨ¹ýÒÔÏÂÃüÁîÆô¶¯¸Ã·þÎñ£º
[root@localhost /]# service portmap start
Starting portmap: [  OK  ]
[root@localhost /]# service portmap status
portmap (pid 11085) is running...
½á¹ûÏÔʾportmap·þÎñÒÑ´¦ÓÚ“running”״̬¡£
2¡¢¼ì²énfs·þÎñÔËÐÐ״̬
[root@localhost /]# service nfs status
Shutting down NFS mountd: rpc.mountd is stopped
nfsd is stopped
rpc.rquotad is stopped
½á¹ûÏÔʾnfs·þÎñÊÇÍ£Ö¹µÄ£¬¿ÉÒÔͨ¹ýÒÔÏÂÃüÁîÆô¶¯¸Ã·þÎñ£º
[root@localhost /]# service nfs start
Starting NFS services:  [  OK  ]
Starting NFS quotas: [  OK  ]
Starting NFS daemon: [  OK  ]
Starting NFS mountd: [  OK  ]
´ËʱÀ´¼ì²éÒ»ÏÂnfs·þÎñÔËÐÐ״̬£¬ÓÉÏ¿ÉÖª£¬nfs·þÎñÒÑÆôÓá£
[root@localhost /]# service nfs status
Shutting down NFS mountd: rpc.mountd (pid 11155) is running...
nfsd (pid 11151 11148 11147 11146 11145


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linux Çý¶¯¼ÓÔØ²âÊÔÃüÁî

#insmod ./driver_xx.ko
´Ëʱ#cat /proc/devices ÄÜ¿´µ½ driver_xx É豸
#mknod /dev/mygpio c 230 0 (230ÊÇÖ÷É豸ºÅ£¬0ÊÇ×ÓÉ豸ºÅ£©
{ÕâÀï¿ÉÒÔÐÞ¸ÄÉ豸Ãû³Æ,µ«ÊÇÒªºÍ²âÊÔ³ÌÐòÖÐÒ»Ö fd_pio = open(“/dev/mygpio”, O_RDWR);
×îºÃºÍregister_chrdev(MY_PIO_MAJOR, "mygpio", &my_pio_fops)ÖеÄÒ»ÖÂ}
ʹ ......

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ÔÚ struct mntent ÖеijÉÔ±Óë /etc/fstab ÎļþÖеÄÌõÄ¿ÊÇÖ±½Ó¶ÔÓ¦µÄ¡£ËüµÄÄÚÈÝÈçÏ£º
struct mntent {
char *mnt_fsname; /* ¹ÒÔØµÄÎļþϵͳµÄÃû×Ö */
char *mnt_dir; /* ¹ÒÔØµã */
char *mnt_type; /* ÎļþϵͳÀàÐÍ£ºufs¡¢nfs µÈ */
char *mnt_opts; /* Ñ¡ÏÒÔ¶ ......

³ÌÐòÉÕ¼ £¨amlogic open linux£© ѧϰ±Ê¼Ç

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1¡¢Á¬½Ójtag¡¢ÍøÏß¡¢´®¿Ú
2¡¢°Ñtftpd32.exe·Åµ½ubootÉÕ¼µÄĿ¼Àï
3¡¢Æô¶¯tftpd32.exe
4¡¢Æô¶¯ttermpro.exe
5¡¢Ë«»÷uboot.bat
6¡¢µÈµ½´°¿Úµ¯³öÀ´
8¡¢ÔÚ´®¿Ú¹¤¾ßÖÐ
1¡¢ Ö´ÐÐprint ÃüÁ²é¿´»·¾³±äÁ¿
2¡¢Ö´ÐÐsetenv serverip ¾ßÌåIP µØÖ·£¬ÅäÖÃtftp server µÄµØÖ·µÈ
3¡¢Ö´ÐÐsetenv loadaddr 8200000 ......

Linuxϰ²×°MyEclipse

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ËùÒÔ°²×°MyEclipse7.0»òÕßÊÇ6.5¡¢6.6µÄ¶¼»á³ö´í
[root@gupt aaaa]# ll
×ÜÓÃÁ¿ 380
dr-xr-xr-x  6 root root   4096
2009-01-17  configuration
-r--r--r--  1 root root   7 ......

LINUX·ÖÒ³»úÖÆ

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