network setup files (redhat fc 4)
網絡配置命令（收藏）（http://chinaunix.net/jh/4/544660.html）
/etc/hosts : host ip and host name
/etc/sysconfig/network : NETWORKING=yes ; HOSTNAME=localhost.localdomain
/etc/sysconfig/network-scripts/ifcfg-eth0 : DEVICE=eth0 ; HWADDR=00:0C:29:D0:23:80 ; ONBOOT=yes ; TYPE=Ethernet ; NETMASK=255.255.255.0 ; IPADDR=192.168.70.3 ; GATEWAY=192.168.70.2
/etc/resolv.conf : search localdomain ; nameserver 192.168.70.2
