在CentOS配置网卡开机自动获取IP地址:
vi /etc/sysconfig/network-scripts/ifcfg-eth0
将 ONBOOT="no" 改为 ONBOOT="yes"
保存后: service network restart
查看IP:ifconfig eth0
然后利用 Oracle VM VirtualBox 的端口转发功能(port forwarding),通过虚拟机的虚拟网卡实现主机与客户机的通信。
打开virtualbox 的设置窗口 -> 网络 ->网卡1 启用网络连接-> 连接方式:NAT ->接入网线->端口转发 , 设置如下
![](file:///C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/YNote/Data/wangzhenxian0556%40126.com/344ad78b4b354d5a9f91cea78a08a723/1.png)
![](https://images0.cnblogs.com/blog/370392/201312/15214015-26726621b48b4da0993e13f1d95b29cd.png)
然后配置虚拟网卡IP地址与客户机IP映射: 端口为22,图中客户机主机端口设置为2200
![](https://images0.cnblogs.com/blog/370392/201312/15214008-c91fa94db63e45d19d684a8cc078a4e6.png)
![](file:///C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/YNote/Data/wangzhenxian0556%40126.com/04b06638a65f477dbbba6dd9036ea984/2.png)
接下来通过putty客户端工具就能连接上虚拟机上的系统了,注意 Port设置为2200
![](https://images0.cnblogs.com/blog/370392/201312/15213932-22bd1e5ebaf042788bc9001b27c746d5.png)
![](file:///C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/YNote/Data/wangzhenxian0556%40126.com/8538063dab414cdca4e7663801e657a1/3.png)