01.开启cpu虚拟化和内存EPT技术 (重要重要重要) 说三遍　如果这步没有配置　后面也不要搞了

2.检查是否成功开启cpu虚拟化功能

[root@CentOS6~]#grep--color"vmx"/proc/cpuinfo#如果有结果　则说明可以

3.CentOS系统版本说明

[root@CentOS6~]#
[root@CentOS6~]#cat/etc/redhat-release#CentOS6.4
CentOSrelease6.4(Final)
[root@CentOS6~]#uname-r#内核版本
2.6.32-358.el6.x86_64
[root@CentOS6~]#ifconfigeth0#IP地址情况
eth0Linkencap:EthernetHWaddr00:0C:29:1D:58:A1
inetaddr:172.16.10.240Bcast:172.16.255.255Mask:255.255.0.0
inet6addr:fe80::20c:29ff:fe1d:58a1/64Scope:Link
UPBROADCASTRUNNINGMULTICASTMTU:1500Metric:1
RXpackets:1451errors:0dropped:0overruns:0frame:0
TXpackets:137errors:0dropped:0overruns:0carrier:0
collisions:0txqueuelen:1000
RXbytes:164441(160.5KiB)TXbytes:16160(15.7KiB)

4.关闭防火墙和SELinux配置