解决cengos device eth0 does not seem to present 问题
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问题陈述:
在采用vmware 搭建hadoop 集群的需求下, 需要创建多个虚拟机, 但是频繁的创建很麻烦, 所以就采用了虚拟机克隆的方法 , 创建用户存储数据节点 datanode 的节点虚拟机。
克隆完成之后,启动完成克隆的虚拟机。
1 查看ip 网关信息
可以看到没有任何网卡的设备信息,
2 重启一下网络,看能不能把网卡设备启用起来。
可以看到 启用失败,网卡etho 设备没有存在。
下面我来简单的解释一下,
因为虚拟机是从源虚拟机克隆过来的,所以网卡配置信息也是同源虚拟机一样的,,
网卡规则是新加了一条新的网卡
接下来就是解决方案了,
1 删除源网卡配置 ,将新增的eth1 改为 eth0
nte
更改网卡配置mac 物理地址
改为 网卡规则配置中的eth0 的mac地址。
之后重启虚拟机,
可以看到 网卡eth0 已经正常加载了,
需要注意的是 ip 要换一下,不能跟源虚拟机的相同。
OK 至此,问题完美解决。
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