CentOS Linux解决Device eth0 does not seem to be pres
ifconfig时只能看到io网卡，不能显示eth0网卡，重新启动网络服务（/etc/init.d/network restart）报错service network restart
Shutting down loopback insterface:
Bringing up loopback insterface:
Bringing up interface eth0:Device eth0 does not seem to be present,delaying initialization.
解决办法：
vi /etc/udev/rules.d/70-persistent-net.rules
#vi /etc/udev/rules.d/70-persistent-net.rules
#This file was automatically generated by the /lib/udev/write_net_rules
#program, run by the persistent-net-generator.rules rules file.
You can modify it, as long as you keep each rule on a single
#line, and change only the value of the NAME= key.
#PCI device 0x1022:0x2000 (pcnet32)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?", ATTR{address}=="00:0c:29:8f:89:9
7", ATTR{type}=="1", KERNEL=="eth", NAME="eth0"
#PCI device 0x1022:0x2000 (pcnet32)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?", ATTR{address}=="00:0c:29:50:bd:1
7", ATTR{type}=="1", KERNEL=="eth", NAME="eth1"
**记录下，eth1网卡的mac地址00:0c:29:50:bd:17
vi /etc/sysconfig/network-scripts/ifcfg-eth0*
将 DEVICE="eth0"改成DEVICE="eth1",
将 HWADDR="00:0c:29:8f:89:97" 改成上面的mac地址HWADDR="00:0c:29:50:bd:17"**
最后，重启网络
#service network restart
或者
#/etc/init.d/network restart
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