VMware克隆后找不到eth0

用ESX克隆虚拟机的时候，会发现网卡编号变化了，原来的eth0,eth1不见了，而出现了eth2,eth3。我估计可能的原因是ESX在创建虚拟机时，会重新创建网卡，当系统发现网卡和配置不一样时，就新建了新的网络接口。

可以用下面的方法把eth0改回来：

修改70-persistent-net.rules文件

1. [root@RedHat89178 ~]# cat /etc/udev/rules.d/70–persistent–net.rules
   
   
2. # This file was automatically generated by the /lib/udev/write_net_rules
   
   
3. # program, run by the persistent–net–generator.rules rules file.
   
   
4. #
   
   
5. # You can modify it, as long as you keep each rule on a single
   
   
6. # line, and change only the value of the NAME= key.
   
   
7. 
   
   
8. # PCI device 0x15ad:0x07b0 (vmxnet3)
   
   
9. # 把原来的配置注释掉
   
10. #SUBSYSTEM==“net”, ACTION==“add”, DRIVERS==“?*”, ATTR{address}==“00:50:56:9c:00:99”, ATTR{type}==“1”, KERNEL==“eth*”, NAME=“eth0”
    
    
11. 
    
    
12. # PCI device 0x15ad:0x07b0 (vmxnet3)
    
13. # 把新出现的eth2改为eth0
    
14. SUBSYSTEM==“net”, ACTION==“add”, DRIVERS==“?*”, ATTR{address}==“00:50:56:9c:00:9a”, ATTR{type}==“1”, KERNEL==“eth*”, NAME=“eth0”

更改网卡配置文件

1. [root@redhat89178 ~]# cat /etc/sysconfig/network–scripts/ifcfg–eth0
   
   
2. DEVICE=“eth0”
   
   
3. BOOTPROTO=static
   
4. # 把MAC地址改成新的地址
   
   
5. HWADDR=“00:50:56:9C:00:3A”
   
6. …

更新主机名

1. [root@redhat89178 ~]# cat /etc/sysconfig/network
   
   
2. NETWORKING=yes
   
   
3. HOSTNAME=<new_hostname>
   
   
4. GATEWAY=10.10.10.1