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linux network commands

1,ifconfigÃüÁî
ifconfig¿ÉÉèÖÃÍøÂçÉ豸µÄ״̬£¬»òÊÇÏÔʾĿǰµÄÉèÖá£
#ifconfig [ÍøÂçÉ豸] [down|up|-allmulti|-arp|-promisc] [add<µØÖ·>] [del<µØÖ·>] [<ÍøÂçÉ豸ÀàÐÍ> <Ó²¼þµØÖ·>] [io_addr] [irq ] [media<ÍøÂçý½éÀàÐÍ>] [mem_start<ÄÚ´æµØÖ·>]
[metric<ÊýÄ¿>] [mtu<×Ö½Ú>] [netmask<×ÓÍøÑÚÂë>] [tunnel<µØÖ·>] [-broadcast<µØÖ·>] [- pointopoint<µØÖ·>] [IPµØÖ·]
add<µØÖ·> ÉèÖÃÍøÂçÉ豸IPv6µÄIPµØÖ·¡£
del<µØÖ·> ɾ³ýÍøÂçÉ豸IPv6µÄIPµØÖ·¡£
down ¹Ø±ÕÖ¸¶¨µÄÍøÂçÉ豸¡£
<ÍøÂçÉ豸ÀàÐÍ><Ó²¼þµØÖ·> ÉèÖÃÍøÂçÉ豸µÄÀàÐÍÓëÓ²¼þµØÖ·
#ifconfig eth0 hw ether XX:XX:XX:XX:XX:XX(¸ü¸Äeth0µÄmacµØÖ·)
io_addr ÉèÖÃÍøÂçÉ豸µÄI/OµØÖ·¡£
irq ÉèÖÃÍøÂçÉ豸µÄIRQ¡£
media<ÍøÂçý½éÀàÐÍ> ÉèÖÃÍøÂçÉ豸µÄý½éÀàÐÍ¡£
mem_start<ÄÚ´æµØÖ·> ÉèÖÃÍøÂçÉ豸ÔÚÖ÷ÄÚ´æËùÕ¼ÓÃµÄÆðʼµØÖ·¡£
metric<ÊýÄ¿> Ö¸¶¨ÔÚ¼ÆËãÊý¾Ý°üµÄתËÍ´ÎÊýʱ£¬ËùÒª¼ÓÉϵÄÊýÄ¿¡£
mtu<×Ö½Ú> ÉèÖÃÍøÂçÉ豸µÄMTU¡£
netmask<×ÓÍøÑÚÂë> ÉèÖÃÍøÂçÉ豸µÄ×ÓÍøÑÚÂë¡£
tunnel<µØÖ·> ½¨Á¢IPv4ÓëIPv6Ö®¼äµÄËíµÀͨÐŵØÖ·¡£
up Æô¶¯Ö¸¶¨µÄÍøÂçÉ豸¡£
-broadcast<µØÖ·> ½«ÒªËÍÍùÖ¸¶¨µØÖ·µÄÊý¾Ý°üµ±³É¹ã²¥Êý¾Ý°üÀ´´¦Àí¡£
-pointopoint<µØÖ·> ÓëÖ¸¶¨µØÖ·µÄÍøÂçÉ豸½¨Á¢Ö±½ÓÁ¬Ïߣ¬´Ëģʽ¾ßÓб£Ãܹ¦ÄÜ¡£
-promisc ¹Ø±Õ»òÆô¶¯Ö¸¶¨ÍøÂçÉ豸µÄ»ìÔÓ(promiscuous)ģʽ¡£
[IPµØÖ·] Ö¸¶¨ÍøÂçÉ豸µÄIPµØÖ·¡£
[ÍøÂçÉ豸] Ö¸¶¨ÍøÂçÉ豸µÄÃû³Æ¡£
ʹÓÃifconfigºÍrouteÃüÁî¸ü¸ÄIPÉèÖÃ:
#ifconfig eth0 down (¹Ø±Õeth0)
#ifconfig eth0 hw ether XX:XX:XX:XX:XX:XX(ÁÙʱ¸ü¸Äeth0µÄmacµØÖ·£¬¼´Ê±ÉúЧ)
#ifconfig eth0 192.168.161.9 netmask 255.255.252.0 up (ÁÙʱÉèÖÃIPµØÖ·£¬×ÓÍøÑÚÂ룬¼´Ê±ÉúЧ)
#route add default gw 192.168.162.1 (ÁÙʱÉèÖÃÍø¹Ø£¬¼´Ê±ÉúЧ)
#vi /etc/sysconfig/network-scripts/ifcfg-eth0 (±à¼­ÅäÖÃÎļþ£¬ÓÀ¾Ã¸ü¸ÄIPÉèÖã¬ÖØÆôÉúЧ)
#vi /etc/resolv.conf £¨±à¼­ÅäÖÃÎļþ£¬ÉèÖÃDNS£©
#ifconfig eth0 promisc (½«eth0ÉèÖÃΪ»ìÔÓģʽ)
#ifconfig eth0 -promisc (È¡Ïû»ìÔÓģʽ)
#ifconfig eth0 arp (´ò¿ªeth0µÄarp½âÎö)
#ifconfig eth0 -arp (¹Ø±Õarp½âÎö)
#ifconfig eth0:1 192.168.1.1 netmask 255.255.255.0


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LinuxÏÂÅäÖÃNTP ¼ÜÉè±¾µØÊ±¼ä·þÎñÆ÷

http://inthirties.com:90/thread-919-1-1.html
ÅäÖÃNTP¼ÜÉè±¾µØÊ±¼ä·þÎñÆ÷
NTPÊÇÓÃÀ´Ê¹ÏµÍ³ºÍÒ»¸ö¾«È·µÄʱ¼äÔ´±£³Öʱ¼äͬ²½µÄЭÒé.ÔÚLinuxÏ£¬ÎÒÃÇ¿ÉÒÔͨ¹ý×Ô´øµÄNTP(Network Time
Protocol)ЭÒéͨ¹ýÍøÂçʹ×Ô¼ºµÄϵͳ±£³Ö¾«È·µÄʱ¼ä.
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# yum install ntp
»òÕß´Ó°²×°Å̲éÕÒ ntp µÄrpm °ü°²×°
µ±ÄãÖ»ÓÐһ̨¿ÉÁ ......

Gentoo Linux ALSAÖ¸ÄÏ

Gentoo Linux ALSAÖ¸ÄÏ
1. 

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ʲôÊÇALSA?
ALSAÊÇAdvanced Linux Sound Architecture£¬¸ß¼¶LinuxÉùÒô¼Ü¹¹
µÄ¼ò³Æ,ËüÔÚLinux²Ù×÷ϵͳÉÏÌṩÁËÒôƵºÍMIDI£¨Musical Instrument Digital Interface
£¬ÒôÀÖÉ豸Êý×Ö»¯½Ó¿Ú£©µÄÖ§³Ö¡£ÔÚ2.6ϵÁÐÄÚºËÖУ¬ALSAÒѾ­³ÉΪĬÈϵÄÉùÒô×Óϵͳ£¬ÓÃÀ´Ìæ»»2.4ϵÁÐ ......

Linux shell ±Ê¼Ç

µÚ¶þÕ ±äÁ¿ºÍÔËËã·û
±¾µØ±äÁ¿:¾¡¿ÉÒÔ±»±¾½ø³ÌʹÓÃ
1 ¸³Öµ
varname=varvalue
varname="varvalue"
¿ÉÒÔͨ¹ýsetÃüÁî²é¿´±¾µØ±äÁ¿
readonly varname//ÉèÖÃΪֻ¶Á
readonly varnmae=varvalue//ÉèÖò¢³õʼ»¯
readonlyÃüÁî±¾Éí¿ÉÒÔÏÔʾËùÓÐÖ»¶Á±äÁ¿
»·¾³±äÁ¿£º¿ÉÒÔ±»×Ó½ø³ÌʹÓÃ
ϵͳ³õʼ»¯µÄ»·¾³±äÁ¿ $HOME/.bash_profi ......

×ªÔØ дµÃÂùºÃµÄlinuxѧϰ±Ê¼Ç

linuxĿ¼¼Ü¹¹
/   ¸ùĿ¼
/bin    ³£ÓõÄÃüÁî binary file µÄÄ¿錄
/boot   ´æ·ÅϵͳÆô¶¯Ê±±ØÐë¶ÁÈ¡µÄµµ°¸£¬°üÀ¨ºËÐÄ (kernel) ÔÚÄÚ
     /boot/grub/menu.lst   GRUBÉèÖÃ
     /boot/vmlinuz   ÄÚºË
   ......

Linuxϰ²×°apache

1.ÏÂÔØapacheÔ´Âë°ü,½øÈëÒ³Ãæhttp://httpd.apache.org/download.cgi,ÏÂÀ´ºó·ÅÈë/usr/local/srcĿ¼ÖÐ
2.½âѹ:
cd /usr/local/src
tar --zxvf httpd-2.2.15.tar.gz
3.cd httpd-2.2.15
./configure --prefix=/usr/local/src/apache2 \
--enable-so \
--enable-rewrite
make;make install
4.Æô¶¯·þÎñ service httpd s ......
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