CentOS7更改网卡名称

背景

有些服务绑死了固定网卡,或者我们希望我们的网卡名称不要改变,则我们会遇到需要改网卡名称

操作

touch /etc/udev/rules.d/70-persistent-net.rules
cat /etc/udev/rules.d/70-persistent-net.rules
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="08:00:27:c3:74:78", NAME="eth1"

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08:00:27:c3:74:78 是mac地址,可以通过如下方式查看
ipaddr show OR 
cat /sys/class/net/eth0/address
eth0 是自己想要的网卡名称

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根据情况适当修改下面的配置文件
# cp /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-eth1
# mv /etc/sysconfig/network-scripts/ifcfg-eth0 /tmp
# ls /etc/sysconfig/network-scripts/ifcfg-*
# cat  /etc/sysconfig/network-scripts/ifcfg-eth1
TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO="none"
DEFROUTE="yes"
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_FAILURE_FATAL="no"
IPV6_ADDR_GEN_MODE="stable-privacy"
NAME="eth1"
UUID="8feec78a-efc7-481c-afbc-68bad55d0a74"
DEVICE="eth1"
ONBOOT="yes"
IPADDR=192.168.31.100
NETMASK=255.255.255.0
GATEWAY=192.168.31.1
DNS1=192.168.31.1
DNS2=8.8.8.8

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重启机器 /sbin/shutdown -r now

参考链接

https://www.ichenfu.com/2020/06/08/rename-nic-names/
https://wiki.archlinux.org/index.php/Udev
https://www.cnblogs.com/cncaptain/p/11864598.html

https://blog.csdn.net/xys2015/article/details/111935292