CentOS 7 修改网卡名为eth0

Posted 2020-10-25

1 修改网卡名称

cd /etc/sysconfig/network-scripts/
mv ifcfg-ens33 ifcfg-eth0

2 修改网卡配置文件

[[email protected] ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0
TYPE="Ethernet"
BOOTPROTO="none"
DEFROUTE="yes"
IPV4_FAILURE_FATAL="yes"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_FAILURE_FATAL="no"
IPV6_ADDR_GEN_MODE="stable-privacy"
NAME="eth0"
UUID="92a1e90a-7cf2-46aa-bdcb-81bc5b96fbc3"
DEVICE="eth0"
ONBOOT="yes"
IPADDR="10.10.172.235"
PREFIX="24"
GATEWAY="10.10.172.1"
DNS1="192.168.172.208"
DNS2="192.168.172.209"
IPV6_PEERDNS="yes"
IPV6_PEERROUTES="yes"
IPV6_PRIVACY="no"

3  修改grub

加入以下内容
net.ifnames=0 biosdevname=0
配置文件内容如下所示：
[[email protected] ~]# cat /etc/sysconfig/grub 
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL_OUTPUT="console"
GRUB_CMDLINE_LINUX="rd.lvm.lv=cl/root rd.lvm.lv=cl/swap rhgb quiet net.ifnames=0 biosdevname=0"
GRUB_DISABLE_RECOVERY="true"

4 生成启动菜单

grub2-mkconfig -o /boot/grub2/grub.cfg

5 重启系统

reboot