Centos 配置eth0 提示:Device does not seem to be present,delaying initialization. [FAILED]
问题现象：
[root@node1 ~]# service network restart
Shutting down loopback insterface: [ OK ]
Bringing up loopback insterface: [ OK ]
Bringing up interface eth0: Device eth0 does not seem to be present,delaying initialization. [FAILED]
问题原因：
造成这样问题的原因更多可能是因为在虚拟机（Vmware或Vbox）中移动了Centos系统对应的文件，导致重新配置时，网卡的MAC地址变了，输入ifconfig -a, 找不到eth0......
安装完一个centos虚拟机，又拷贝一份，开机后网卡无法正常启动，报错：Device eth0 does not seem to be present, delaying initialization
解决办法-1：
[root@node1 ~]# rm -rf /etc/udev/rules.d/70-persistent-net.rules
[root@node1 ~]# reboot ………………
[root@node1 ~]# service network restart
Shutting down loopback insterface: [ OK ]
Bringing up loopback insterface: [ OK ]
Bringing up interface eth0: [ OK ]
[root@node1 ~]#
解决方法-2：
# mv /etc/sysconfig/network-scripts/ifcfg-eth0 sysconfig/network-scripts/ifcfg-eth1
# vim sysconfig/network-scripts/ifcfg-eth1 【修改DEVICE="eth0" 为DEVICE="eth1"】
# service network restart正文部分到此结束
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