1.編輯網卡信息

[root@linux-node2~]#cd /etc/sysconfig/network-scripts/?#進入網卡目錄

[root@linux-node2network-scripts]# mv ifcfg-eno16777728 ifcfg-eth0 ?#重命名網卡名稱

[root@linux-node2 network-scripts]#cat ifcfg-eth0?#編輯網卡信息

TYPE=Ethernet

BOOTPROTO=static

DEFROUTE=yes

PEERDNS=yes

PEERROUTES=yes

IPV4_FAILURE_FATAL=no

NAME=eth0 ?#name修改為eth0

ONBOOT=yes

IPADDR=192.168.56.12

NETMASK=255.255.255.0

GATEWAY=192.168.56.2

DNS1=192.168.56.2

2.修改grub

[root@linux-node2 ~]# cat /etc/sysconfig/grub

GRUB_TIMEOUT=5

GRUB_DEFAULT=saved

GRUB_DISABLE_SUBMENU=true

GRUB_TERMINAL_OUTPUT=”console”

GRUB_CMDLINE_LINUX=”crashkernel=auto rhgb net.ifnames=0 biosdevname=0 quiet”

GRUB_DISABLE_RECOVERY=”true”

[root@linux-node2 ~]# grub2-mkconfig -o /boot/grub2/grub.cfg ?#生成啟動菜單

Generating

grub configuration file …

Found

linux image: /boot/vmlinuz-3.10.0-229.el7.x86_64

Found

initrd image: /boot/initramfs-3.10.0-229.el7.x86_64.img

Found

linux image: /boot/vmlinuz-0-rescue-1100f7e6c97d4afaad2e396403ba7f61

Found

initrd image: /boot/initramfs-0-rescue-1100f7e6c97d4afaad2e396403ba7f61.img

Done

3.驗證是否修改成功

[root@linux-node2 ~]# reboot ?#必須重啟系統生效

[root@linux-node2 ~]# yum install net-tools ?#默認centos7不支持ifconfig 需要看裝net-tools包

[root@linux-node2 ~]#?ifconfig eth0 ?#在次查看網卡信息

eth0:

flags=4163 ?mtu 1500

inet 192.168.56.12 ?netmask 255.255.255.0 ?broadcast 192.168.56.255

inet6 fe80::20c:29ff:fe5c:7bb1 ?prefixlen 64

scopeid 0x20

ether 00:0c:29:5c:7b:b1 ?txqueuelen 1000 ?(Ethernet)

RX packets 152 ?bytes 14503 (14.1 KiB)

RX errors 0 ?dropped 0

overruns 0 ?frame 0

TX packets 98 ?bytes 14402 (14.0 KiB)

TX errors 0 ?dropped 0 overruns 0 ?carrier 0

collisions 0

總結

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