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# redhat-config-network
/* ʹÓÃifconfigÃüÁîÅäÖò¢²é¿´ÍøÂç½Ó¿ÚÇé¿ö */
//ÅäÖÃeth0µÄIP£¬Í¬Ê±¼¤»îÉ豸
# ifconfig eth0 192.168.168.119 netmask 255.255.255.0 up
//ÅäÖÃeth0±ðÃûÉ豸 eth0:1 µÄIP£¬²¢Ìí¼Ó·ÓÉ
# ifconfig eth0:1 192.168.168.110
# route add –host 192.168.168.110 dev eth0:1
//¼¤»î£¨½ûÓã©É豸
# ifconfig eth0:1 up(down)
//²é¿´ËùÓУ¨Ö¸¶¨£©ÍøÂç½Ó¿ÚÅäÖÃ
# ifconfig (eth0)
/* ʹÓÃroute ÃüÁîÅäÖ÷Óɱí */
//Ìí¼Óµ½Ö÷»ú·ÓÉ
# route add –host 192.168.168.110 dev eth0:1
# route add –host 192.168.168.119 gw 192.168.168.1
//Ìí¼Óµ½ÍøÂçµÄ·ÓÉ
# route add –net IP netmask MASK eth0
# route add –net IP netmask MASK gw IP
# route add –net IP/24 eth1
//Ìí¼ÓĬÈÏÍø¹Ø
# route add default gw IP
//ɾ³ý·ÓÉ
# route del –host 192.168.168.110 dev eth0:1
/* ³£ÓÃÃüÁî */
# traceroute www.pconline.com.cn
# ping www.pconline.com.cn
//ÏÔÊ¾ÍøÂç½Ó¿Ú״̬ÐÅÏ¢
# netstat –I
//ÏÔʾËùÓÐ¼à¿ØµÄ·þÎñÆ÷µÄSocketºÍÕýÔÚʹÓÃSocketµÄ³ÌÐòÐÅÏ¢
# netstat –lpe
//ÏÔʾÄں˷ÓɱíÐÅÏ¢
# netstat –r
# netstat –nr
//ÏÔʾTCP/UDP´«ÊäÐÒéµÄÁ¬½Ó״̬
# netstat –t
# netstat –u
//¸ü¸ÄÖ÷»úÃû
# hostname myhost
//²é¿´ARP»º´æ
# arp
//Ìí¼Ó
# arp –s IP MAC
//ɾ³ý
# arp –d IP
/* ÔËÐм¶±ðÓëÍøÂç·þÎñ */
//²é¿´µ±Ç°ÔËÐм¶±ð
# runlevel
//ÔËÐм¶±ðµÄÇл»
# init
# telinit
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