linux網卡改名

 今天在測試opennebula，因爲換了這個虛擬網絡，發現啓動的虛擬機的網卡改名了，eth0改爲了eth3

udev: renamed network interface eth0 to eth3

因爲虛擬機的配置是需要通過其他初始化腳本來生成的，所以網卡的設備名不能改變，需要把eth3修改爲eth0

以rhel6爲例，把以下文件作修改如下：

1、把eth0 ,eth1 ,eth2的相關行刪除掉

2、把eth3的相關行保留，並把eth3改爲eth0即可。

 

[root@ovm0246 ~]# vim /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 0x10ec:0x8139 (8139cp) (custom name provided by external tool)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="52:54:00:12:34:56", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

# PCI device 0x10ec:0x8139 (8139cp)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="02:00:c0:a8:14:f9", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"

# PCI device 0x10ec:0x8139 (8139cp)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="52:54:00:e4:d4:1d", ATTR{type}=="1", KERNEL=="eth*", NAME="eth2"
# PCI device 0x10ec:0x8139 (8139cp)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="02:00:c0:a8:14:fa", ATTR{type}=="1", KERNEL=="eth*", NAME="eth3"