ifconfigeth0新ip

  然后编辑/etc/sysconfig/network-scripts/ifcfg-eth0,修改ip
  一、修改IP地址
  [aeolus@db1network-scripts]$viifcfg-eth0
  DEVICE=eth0
  ONBOOT=yes
  BOOTPROTO=static
  IPADDR=219.136.241.211
  NETMASK=255.255.255.128
  GATEWAY=219.136.241.254
  二、修改网关
  vi/etc/sysconfig/network
  NETWORKING=yes
  HOSTNAME=Aaron
  GATEWAY=192.168.1.1
  三、修改DNS
  [aeolus@db1etc]$viresolv.conf
  nameserver202.96.128.68
  nameserver219.136.241.206
  四、重新启动网络配置
  /etc/init.d/networkrestart
  修改ip地址
  即时生效:
  #ifconfigeth0192.168.0.20netmask255.255.255.0
  启动生效:
  修改/etc/sysconfig/network-scripts/ifcfg-eth0
  修改defaultgateway
  即时生效:
  #routeadddefaultgw192.168.0.254
  启动生效:
  修改/etc/sysconfig/network-scripts/ifcfg-eth0
  修改dns
  修改/etc/resolv.conf
  修改后可即时生效,启动同样有效
  修改hostname
  即时生效:
  #hostnamefc2
  启动生效:
  修改/etc/sysconfig/network