installed CentOS 6.4 from a “minimal” ISO.

安装后ping测试

connect: Network is unreachable.

网络服务不可用

    using vi to edit /etc/sysconfig/network-scripts/ifcfg-eth0, 注释掉2行 #NM_CONTROLLED="yes"
    #ONBOOT="no" 保存，之后重启网络服务 /etc/init.d/network restart Everything works.