linux ifcfg-33 没有eth0解决方法

解决方法

1:检查网卡

[root@localhost ~]# vi /etc/sysconfig/network-scripts/ifcfg-ens33 是不是配置正确

2.重命名网卡配置文件ifcfg-ens33为ifcfg-eth0

mv ifcfg-ens33 ifcfg-eth0

3.编辑/etc/default/grub并加入“net.ifnames=0 biosdevname=0 ”到GRUBCMDLINELINUX变量

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[root@localhost network-scripts]# vi /etc/default/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="crashkernel=auto net.ifnames=0 biosdevname=0 rhgb quiet"  GRUB_DISABLE_RECOVERY="true"

4.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。　　

[root@localhost network-scripts]# grub2-mkconfig -o /boot/grub2/grub.cfg  
Generating grub configuration file ...  
Found linux image: /boot/vmlinuz-3.10.0-514.el7.x86_64  
Found initrd image: /boot/initramfs-3.10.0-514.el7.x86_64.img  
Found linux image: /boot/vmlinuz-0-rescue-b7f83ca165964a47b8b283907b126140  
Found initrd image: /boot/initramfs-0-rescue-b7f83ca165964a47b8b283907b126140.img  
done