Centos7.x 更改网卡名称eth0

1、修改网卡信息cd /etc/sysconfig/network-scripts/重命名网卡名称mv ifcfg-eno16777728 ifcfg-eth0编辑网卡信息vim ifcfg-eth0 TYPE=EthernetBOOTPROTO=noneDEFROUTE=yesIPV4_FAILURE_FATAL=noIPV6INIT=noIPV6_AUTOCONF=yesIPV6_DEFROUTE=yesIPV6_PEERDNS=yesTYPE=EthernetBOOTPROTO=noneDEFROUTE=yesIPV4_FAILURE_FATAL=noIPV6INIT=noIPV6_AUTOCONF=yesIPV6_DEFROUTE=yesIPV6_PEERDNS=yesIPV6_PEERROUTES=yesIPV6_FAILURE_FATAL=noNAME=eth0 #name修改为eth0DEVICE=eth0ONBOOT=yesIPADDR=172.16.8.254PREFIX=24GATEWAY=172.16.8.1DNS1=114.114.114.1142、修改grub文件编辑内核信息,添加net.ifnames=0 biosdevname=0字段的vim /etc/sysconfig/grub GRUB_TIMEOUT=5GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"GRUB_DEFAULT=savedGRUB_DISABLE_SUBMENU=trueGRUB_TERMINAL_OUTPUT="console"GRUB_CMDLINE_LINUX="crashkernel=auto rd.lvm.lv=devops/root rd.lvm.lv=devops/swap rhgb net.ifnames=0 biosdevname=0 quiet"GRUB_DISABLE_RECOVERY="true"运行命令grub2-mkconfig -o /boot/grub2/grub.cfg 来重新生成GRUB配置并更新内核参数                             Generating grub configuration file ...Found linux image: /boot/vmlinuz-3.10.0-327.el7.x86_64Found initrd image: /boot/initramfs-3.10.0-327.el7.x86_64.imgFound linux image: /boot/vmlinuz-0-rescue-cd4cedc54acd4c289771cd4af02255e8Found initrd image: /boot/initramfs-0-rescue-cd4cedc54acd4c289771cd4af02255e8.imgdone3、重启系统及验证必须重启系统生效reboot  [root@localhost ~]# ifconfigeth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500        inet 172.16.8.254  netmask 255.255.255.0  broadcast 172.16.8.255        inet6 fe80::20c:29ff:fe30:707a  prefixlen 64  scopeid 0x20<link>        ether 00:0c:29:30:70:7a  txqueuelen 1000  (Ethernet)        RX packets 105  bytes 13994 (13.6 KiB)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 112  bytes 14592 (14.2 KiB)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536        inet 127.0.0.1  netmask 255.0.0.0        inet6 ::1  prefixlen 128  scopeid 0x10<host>        loop  txqueuelen 0  (Local Loopback)        RX packets 4  bytes 340 (340.0 B)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 4  bytes 340 (340.0 B)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0