???????????????????
????1) /etc/sysconfig/network   ???????????????????Network
????2) /etc/sysconfig/network-scripts/ifcfg-eth0   ?????????????????
????3) /etc/modprobe.conf   ????????????ü?????????????
????4) /etc/resolv.conf   ????DNS IP???????????????????
????5) /etc/hosts   ????????IP??????????????????????
????6) /etc/protocols  ????IP?????Э???????????????ICMP??TCP??????????Э???????
????????????????????
????1??/etc/init.d/network restart  ????????????????????
????2??ifup eth0(ifdown eth0)   ??????????????????????????????script?????????????script????????/etc/sysconfig/network-scripts/????
????·ifconfig ???????????????IP???ε???????
????·ifup/ifdown ???/?????????
????????IP???????????
????1??????????????
??????????????????????????Ч????????Ч
????#ifconfig ethX ip/netmask
????# ifconfig eth0 192.168.100.1  ????eth0??IP
????# ifconfig eth0 192.168.100.1 netmask 255.255.255.0 > mtu 8000 ???????????????????MTU???
????2?? ??ν????????
????system-config-network-gui
????system-config-network-tui
????????setup??????????ν??棨?????豸IP??????????????system-config?е???????????????У??????????????????????????????????????????????????????????ν??棬????????“export LANG=en”?????????ν??棬?????????????
??????????ν??棬???“Network configuration”
?????????????????“Ok”??“Save”??“Save&Quit”??“Quit”????????????????ɡ????????????????Ч???????Ч???????Ч????IP??Ч???????????
????1. #ifdown eth1 && ifup eth1  ????????????
????2. #service network restart  ???????????
????3. #/etc/init.d/network restart ???????????????
????3???????????????
????#vim /etc/sysconfig/network-scripts/ifcfg-ethX
???????????????????????????????е??????????У?
????DEVICE=ethX        ?豸??
????BOOTPROTO=(none | static????????????? | dhcp?????????? | bootp)
????ONBOOT={yes | no}   ?????????????豸???????
????HWADDR=   ?????????????????
????IPADDR=     IP?????????
????NETMASK=    ????????????
????TYPE=Ethernet   ????????????????????????
??????????????У?
????GATEWAY=      ????
????USERCTL={yes | no}    ????????????????ú?????????豸
????PEERDNS={yes | no}    ?????dhcp?????????????????????IP????????????????DNS?????????????yes??
???????????????????Ч???????Ч???????Ч????IP??Ч??????????????????????
????1. #ifdown eth1 && ifup eth1  ????????????
????2. #service network restart  ???????????
????3. #/etc/init.d/network restart ???????????????