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umount Ŀ¼¿ÉÒÔ½â³ý¹ØÁª¹Øϵ
±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¿ÉÒÔʹÓÃexportfsÃüÁîÖØмÓÔØexportsÎļþ(/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
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[root@localhost /]# cat /etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
1¡¢¼ì²éportmap·þÎñÔËÐÐ״̬£¨ÒòΪNFS¼°Æ丨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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linuxÉ豸Çý¶¯ IO Port

      1. I/O Port
¡¡¡¡ºÍÓ²¼þ´ò½»µÀÀë²»¿ªI/O Port£¬ÀϵÄISAÉ豸¾­³£ÊÇÕ¼ÓÃʵ¼ÊµÄI/O¶Ë¿Ú£¬ÔÚlinuxÏ£¬²Ù×÷ϵͳûÓжÔI/O¿ÚÆÁ±Î£¬Ò²¾ÍÊÇ˵£¬ÈκÎÇý¶¯³ÌÐò¶¼¿É¶ÔÈÎÒâµÄI/O¿Ú²Ù×÷£¬ÕâÑù¾ÍºÜÈÝÒ×ÒýÆð»ìÂÒ¡£Ã¿¸öÇý¶¯³ÌÐòÓ¦¸Ã×Ô¼º±ÜÃâÎóÓö˿ڡ£ 
¡¡¡¡ÓÐÁ½¸öÖØÒªµÄkernelº¯Êý¿É ......

linuxËøµÄÓ¦ÓÃ

ѧ¹ý²Ù×÷ϵͳµÄÈËÖªµÀÓÐÒ»¸ö·Ç³£ÖøÃûµÄÎÊÌ⣺¶ÁÕߣ­Ð´ÕßÎÊÌâ¡£¶ÁÕߣ­Ð´ÕßÎÊÌâÊÇָϵͳµ±ÖеĵÄ×ÊÔ´ÔÚijһʱ¼äÀï¿ÉÒÔͬʱÔÊÐí¶à¸ö½ø³Ì¶Á£¬µ«Ö»ÔÊÐíÒ»¸ö½ø³Ìд¡£Õâ¸ö½ø³Ìͬ²½ÎÊÌâµÄ½â·¨ÓÐÐí¶àÖÖ£¬ÔÚwindowϵͳÀïÓû¥³â±äÁ¿À´½øÐнø³ÌµÄͬ²½¡£ÔÚLinuxÀïÓÐÁíÒ»ÖÖ·½·¨£¬ÄǾÍÊÇÎļþËø£¬ÎļþËøÀïµÄÎļþ²»µ¥µ¥Ö»Ö¸Æ½Ê±Ëù˵µÄÎļþËüÓ ......

linuxÍøÇÅÉèÖÃMACµØַʱµÄÐÐΪ

brctl addbr br0
ifconfig br0
br0 MAC is 00:00:00:00:00:00
brctl addif br0 eth1  (eth1 is xx:xx:xx:xx:xx:33)
ifconfig br0
br0 MAC is xx:xx:xx:xx:xx:33  same as eth1, auto change
brctl addif br0 eth2  (eth2 is xx:xx:xx:xx:xx:30)
ifconfig br0
br0 MAC is xx:xx:xx:xx:xx:30  sa ......

linuxÏÂglutµÄ°²×°

ÔÚlinuxÏÂopengl±à³Ì£¬Ê×ÏÈÐèÒª°²×°glut°ü¡£
1 °²×°glut
£¨1£©ÏÂÔصØÖ·£º
http://fidelio.cacs.louisiana.edu/resources/linux/glut.zip
£¨2£©½«glut.zip½âѹ£º
unzip glut.zip
½âѹºó£¬ÀïÃæÓÐÒ»¸örpm°²×°°ü£¬Ò»¸ö²âÊÔÎļþ£¬Ò»¸öglut.h,Ò»¸ömakefile, Õ⼸¸öÎļþ¶¼·Ç³£ÖØÒª¡£
£¨3£©°²×°£º
rpm -i glut-3.7-8.i386. ......

LinuxÏ°²×°MyEclipse

ÔÚ°²×°ÍêjdkÒԺ󣬾ÍÀ´°²×°MyEclipseÁË¡£
 ÓÐһЩ°²×°ÁËjdkÒÔºóûÓÐÉúЧ£¬³öÏֵĻ¹ÊÇ1.4°æ±¾µÄ¡£
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 ......
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