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Unix/Linux ÍøÂç½Ó¿Ú¹ÜÀíÏà¹ØÃüÁî½éÉÜ
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Linux ϵͳÆô¶¯¼ÓÔØÍø¿¨Çý¶¯»áÊä³öʶ±ðµ½µÄËùÓÐÍøÂçÊÊÅäÆ÷ÐÅÏ¢¡£dmesg ÏÔʾϵͳ¿ª»úÐÅÏ¢¡£ËùÒÔ¿ÉÒÔÀûÓøÃÃüÁîÈ¡µÃÏµÍ³ÍøÂçÊÊÅäÆ÷ÁÐ±í¡£Çåµ¥ 1 ÃüÁîÊä³öÏÔʾ¹²ÓÐ 2 ¿éÍø¿¨£¬eth0 Óë eth1£¬ÆäÖнö eth1 ±»ÆôÓá£
ÔÚ RHEL5.3 ϵͳÉÏ²é¿´ÍøÂçÊÊÅäÆ÷
# dmesg|grep -i eth
IBM eHEA ethernet device driver (Release EHEA_0092-03)
ehea: eth0: Jumbo frames are enabled
ehea: eth0 -> logical port id #1
ehea: eth1: Jumbo frames are enabled
ehea: eth1 -> logical port id #2
ehea: eth1: Physical port up
eth1: no IPv6 routers present
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ÍøÂç½Ó¿Ú״̬°üÀ¨½Ó¿ÚÊÇ·ñÆôÓã¬ÊÇ·ñÉèÖà IP µØÖ·¡¢MTU ´óС¡¢ÊÕ·¢µÄ°üÊýµÈ£¬²éѯµÄÃüÁîΪ ifconfig, ÔÚ²»Í¬²Ù×÷ϵͳÆäÊä³ö¸ñʽÂÔÓв»Í¬¡£
Çåµ¥ 3 ΪÔÚ RHEL5.3 ÉϵÄÊä³ö£¬ÆäÏÔʾÁ½¸öÒÔÌ«ÍøÂç½Ó¿Ú£¬eth0 δÅäÖà ip µØÖ·£¬Î´±»ÆôÓã»eth1 ÅäÖÃÁË IP µØÖ·²¢±»ÆôÓá£
# ifconfig -a
eth0      Link encap:Ethernet  HWaddr 00:1A:64:44:AC:34
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
eth1      Link encap:Ethernet  HWaddr 00:1A:64:44:AC:35
          inet addr:9.114.70.151  Bcast:9.114.70.255  Mask:255.255.255.128
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:12337126 errors:0 dro


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Linux ÊÍ·ÅÄÚ´æ·½·¨


Linux ÊÍ·ÅÄÚ´æ·½·¨
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[root@node1 ~]# free -m
total used free shared buffers cached
Mem: 8004 6557 1446 0 163 5630
-/+ buffers/cache: 763 7240
Swap: 1983 0 1983
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[root@node1 ~]# sync
ÐÞ¸Ä /proc/sys/vm/drop_cachesÎļþ
[root@node1 ~]# echo 3 > ......

LinuxϹÒÔØÓ²ÅÌ·ÖÇøµÄ¼¸ÖÖ·½·¨

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1¡¢Ê¹ÓÃAutofs×Ô¶¯¹ÒÔØ·ÖÇø
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3¡¢±àдshell½Å±¾£¬¿ª»ú×Ô¶¯ÔËÐÐmountÃüÁî
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1¡¢AutofsµÄÌØµã£ºAutofsÓëMount/UmountµÄ²»Í¬Ö®´¦ÔÚÓÚ£¬ËüÊÇÒ»ÖÖ¿´ÊسÌÐò£¨deamon£©¡£Èç¹ûËü¼ì²âµ½Óû§ÕýÊÔͼ·ÃÎÊÒ»¸öÉÐδ¹Ò½ÓµÄÎļþϵͳ£¬Ëü¾Í» ......

Linux findÃüÁîÏê½â

http://blog.chinaunix.net/u1/53398/showart_478990.html
ÓÉÓÚfind¾ßÓÐÇ¿´óµÄ¹¦ÄÜ£¬ËùÒÔËüµÄÑ¡ÏîÒ²ºÜ¶à£¬ÆäÖд󲿷ÖÑ¡Ïî¶¼ÖµµÃÎÒÃÇ»¨Ê±¼äÀ´Á˽âһϡ£¼´Ê¹ÏµÍ³Öк¬ÓÐÍøÂçÎļþϵͳ( NFS)£¬findÃüÁîÔÚ¸ÃÎļþϵͳÖÐͬÑùÓÐЧ£¬Ö»Äã¾ßÓÐÏàÓ¦µÄȨÏÞ¡£
ÔÚÔËÐÐÒ»¸ö·Ç³£ÏûºÄ×ÊÔ´µÄfindÃüÁîʱ£¬ºÜ¶àÈ˶¼ÇãÏòÓÚ°ÑËü·ÅÔÚºǫִ́ÐУ¬Òò ......

linuxѹËõ(½âѹËõ)ÃüÁîÏê½â

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linux ½ø³Ì ״̬

http://blog.csdn.net/zengyang/archive/2009/01/07/3725320.aspx
http://tech.ccidnet.com/art/305/20071226/1322187_1.html 
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