CentOS:配置静态IP，主机名，网关等。
1.配置静态的IP，网关，DNS，子网掩码(1)IP，子网掩码# vi /etc/sysconfig/network-scripts/ifcfg-eth0DEVICE=eth0TYPE=EthernetUUID=e33ff3f9-0808-4658-914e-df782cb31a74ONBOOT=yesNM_CONTROLLED=yesBOOTPROTO=staticIPADDR=192.168.2.81NETMASK=255.255.255.0NETWORK=192.168.2.0(2)配置主机名，网关# vi /etc/sysconfig/networkNETWORKING=yesNETWORKING_IPV6=noHOSTNAME=centos01GATEWAY=192.168.2.254#vi /etc/hostsY.Y.Y.Y centos01(3)配置DNS# vi /etc/resolv.confNAMESERVER X.X.X.X2.动态配置DHCP# vi /etc/sysconfig/network-scripts/ifcfg-eth0DEVICE=eth0TYPE=EthernetUUID=e33ff3f9-0808-4658-914e-df782cb31a74ONBOOT=yesNM_CONTROLLED=yesBOOTPROTO=dhcpDEFROUTE=yesIPV4_FAILURE_FATAL=yesIPV6INIT=noNAME="System eth0"HWADDR=00:0C:29:BA:6D:9CPEERDNS=yesPEERROUTES=yesLAST_CONNECT=1388439949
