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先ifconfig查看网卡名eth0
[root@centos69 ~]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:50:56:B2:09:F9 inet addr:172.16.5.12 Bcast:172.16.5.255 Mask:255.255.255.0 inet6 addr: fe80::250:56ff:feb2:9f9/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1131 errors:0 dropped:0 overruns:0 frame:0 TX packets:134 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:88991 (86.9 KiB) TX bytes:46551 (45.4 KiB)lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
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 0x15ad:0x07b0 (vmxnet3)#SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:e7:2f:6d", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"# PCI device 0x15ad:0x07b0 (vmxnet3)SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:50:56:b2:09:f9", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0" 以将网卡名改为eth2为例
# 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 0x15ad:0x07b0 (vmxnet3)#SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:e7:2f:6d", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"# PCI device 0x15ad:0x07b0 (vmxnet3)SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:50:56:b2:09:f9", ATTR{type}=="1", KERNEL=="eth*", NAME="eth2" 修改配置文件
mv /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-eth2vim /etc/sysconfig/network-scripts/ifcfg-eth2 修改对应的配置
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