Unix/Linux ÍøÂç½Ó¿Ú¹ÜÀíÏà¹ØÃüÁî½éÉÜ
Unix/Linux ÍøÂç½Ó¿Ú¹ÜÀíÏà¹ØÃüÁî½éÉÜ
»ñÈ¡ÍøÂçÊÊÅäÆ÷ÁбíÐÅÏ¢
ÔÚ»ñÖªÍøÂç½Ó¿ÚʹÓÃ״̬֮ǰ£¬Äã¿ÉÄÜÐèÒªÖªµÀÄ㵱ǰµÄϵͳʹÓõÄÍøÂçÊÊÅäÆ÷£¬ÔÚ Linux ºÍ AIX ÖÐ²é¿´ÍøÂçÉ豸Æ÷µÄÊôÐÔʹÓò»Í¬µÄÃüÁÏÂÃæµÄÀý×Ó¸ø³öÁËÔÚ²»Í¬ÏµÍ³ÉÏÈçºÎ²é¿´ÍøÂçÉ豸Æ÷µÄÊôÐÔ¡£
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
¸´ÖÆ´úÂë
²é¿´ÍøÂç½Ó¿Ú״̬
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
Ïà¹ØÎĵµ£º
Linux ÊÍ·ÅÄÚ´æ·½·¨
ÏÈ¿´¿´ÄÚ´æÊ¹ÓÃ×´¿ö
[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
°ÑÄÚ´æÀïµÄÊý¾ÝÔÝʱдµ½Ó²ÅÌÀï
[root@node1 ~]# sync
ÐÞ¸Ä /proc/sys/vm/drop_cachesÎļþ
[root@node1 ~]# echo 3 > ......
²Î¿¼×ÊÁÏ£ºhttp://captain.javaeye.com/blog/104242
1¡¢Ê¹ÓÃAutofs×Ô¶¯¹ÒÔØ·ÖÇø
2¡¢ÐÞ¸Ä/etc/fstab
3¡¢±àдshell½Å±¾£¬¿ª»ú×Ô¶¯ÔËÐÐmountÃüÁî
·½·¨Ò»¡¢Ê¹ÓÃAutofs
1¡¢AutofsµÄÌØµã£ºAutofsÓëMount/UmountµÄ²»Í¬Ö®´¦ÔÚÓÚ£¬ËüÊÇÒ»ÖÖ¿´ÊسÌÐò£¨deamon£©¡£Èç¹ûËü¼ì²âµ½Óû§ÕýÊÔͼ·ÃÎÊÒ»¸öÉÐδ¹Ò½ÓµÄÎļþϵͳ£¬Ëü¾Í» ......
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
Ò».tarÃüÁî
tar¿ÉÒÔΪÎļþºÍĿ¼´´½¨µµ°¸¡£ÀûÓÃtar£¬Óû§¿ÉÒÔÎªÄ³Ò»ÌØ¶¨Îļþ´´½¨µµ°¸£¨±¸·ÝÎļþ£©£¬Ò²¿ÉÒÔÔÚµµ°¸ÖиıäÎļþ£¬»òÕßÏòµµ°¸ÖмÓÈëеÄÎļþ¡£tar ×î³õ±»ÓÃÀ´ÔÚ´Å´øÉÏ´´½¨µµ°¸£¬ÏÖÔÚ£¬Óû§¿ÉÒÔÔÚÈκÎÉ豸ÉÏ´´½¨µµ°¸£¬ÈçÈíÅÌ ......
http://blog.csdn.net/zengyang/archive/2009/01/07/3725320.aspx
http://tech.ccidnet.com/art/305/20071226/1322187_1.html
State¡¡
½ø³ÌÔÚÖ´Ðйý³ÌÖлá¸ù¾Ý»·¾³À´¸Ä±ästate¡£Linux½ø³ÌÓÐÒÔÏÂ״̬£º¡¡
Running¡¡
½ø³Ì´¦ÓÚÔËÐУ¨ËüÊÇϵͳµÄµ±Ç°½ø³Ì£©»òÕß×¼±¸ÔËÐÐ״̬£¨ËüÔڵȴýϵͳ½«CPU·ÖÅ䏸Ëü£© ......