To edit a configuration file:
# Vi/etc/sysconfig/network-scripts/ifcfg-eth0
Change onboot=no to Yes
Exit Save
#:wq
Restart the NIC
#/etc/init.d/network restart
VM clone, System Mac and UUID are duplicated, resulting in not getting IP
Error: Device eth0 does not seem to be present, delaying initialization
Need to modify file
1.
VI /etc/sysconfig/network-scripts/ Ifcfg-eth0
Ifcfg-eth0 the previous MAC address in the configuration file, delete this line to restart the NIC
2.
/etc/udev/rules.d/70-persistent-net.rules Restart the machine after deletion
Because this file is bound to the network card and MAC address, so change the network card after the MAC address has changed, so it can not start normally, or directly edit the configuration file inside the network card and MAC address modification by corresponding, but so much trouble, the direct deletion of restart, it will automatically generate a.
Reference article:
Http://www.cnblogs.com/cocowool/archive/2011/12/08/2280670.html
Http://blog.sina.com.cn/s/blog_77126fa501018s3d.html
This article is from the "Enlightened Grocery store" blog, please be sure to keep this source http://wutou.blog.51cto.com/615096/1754902
CentOS Minimized installation system open Network card