ubuntu配置网络

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方式1:网卡通过DHCP自动获取IP地址
  $ sudo gedit /etc/network/interfaces
  # 修改文件/etc/network/interfaces如下文
  #-------------------------------------------------------------------------------
  # This file describes the network interfaces available on your system
  # and how to activate them. For more information, see interfaces(5).
  #
  # The loopback network interface(配置环回口)
  auto lo                                       # 开机自动激lo接口
  iface lo inet loopback                        # 配置lo接口为环回口
  # The primary network interface (配置主网络接口)
  auto eth0                                     #开机自动激活eth0接口
  iface eth0 inet dhcp                          #配置eth0接口为DHCP自动获取
  #-------------------------------------------------------------------------------
  $ sudo /etc/init.d/networking restart           # 重启网络
方式2:网卡静态分配IP地址
  $ sudo gedit /etc/network/interfaces
  # 修改文件/etc/network/interfaces如下文
  #-------------------------------------------------------------------------------
  # This file describes the network interfaces available on your system
  # and how to activate them. For more information, see interfaces(5).
  #
  # The loopback network interface(配置环回口)
  auto lo                                       # 开机自动激lo接口
  iface lo inet loopback                        # 配置lo接口为环回口
  # The primary network interface (配置主网络接口)
  auto eth0                                     #开机自动激活eth0接口
  iface eth0 inet static                        #配置eth0接口为静态设置IP地址
  address 10.16.3.99
  netmask 255.255.255.0
  network 10.16.3.0
  broadcast 10.16.3.255
  gateway 10.16.3.1
  ####################################################
  ## dns-* options are implemented by the resolvconf package, if installed(DNS设置)
  #dns-nameservers 61.153.177.196 61.153.177.197
  #dns-search fireteam.org
  ####################################################
  #sudo gedit /etc/resolv.conf
  ##设置DNS server(可以设置多个)
  #nameserver 192.168.1.1
  ####################################################
  #-------------------------------------------------------------------------------
  $ sudo /etc/init.d/networking restart    # 重启网络