Centos7 修改网卡为ethX

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Centos7之后默认的网卡名变成enp0s3这种样子，不再是ethX

通过下面的步骤可以把网卡名变回ethX

  • vim /etc/default/grub

    在GRUB_CMDLINE_LINUX的最后，加上 net.ifnames=0 biosdevname=0 的参数

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    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=rootvg/usrlv rd.lvm.lv=rootvg/swaplv crashkernel=auto vconsole.keymap=us rd.lvm.lv=rootvg/rootlv vconsole.font=latarcyrheb-sun16 rhgb quiet net.ifnames=0 biosdevname=0”
    GRUB_DISABLE_RECOVERY=”true”
  • grub2-mkconfig -o /boot/grub2/grub.cfg
  • mv /etc/sysconfig/network-scripts/ifcfg-enp0s3 /etc/sysconfig/network-scripts/ifcfg-eth0
  • reboot