Remove Eth0.bak and redundant network cards from Linux systems __linux

Remove Eth0.bak and redundant network adapters from Linux systems

Deleting redundant ifcfg-eth0.bak in a VM

CentOS a Eth0.bak configuration backup file appears after the system changes the NIC or Nic MAC address

Workaround:

/etc/sysconfig/networking/devices directory, delete Ifcfg-eth0.bak

/etc/sysconfig/networking/profiles/default, remove Ifcfg-eth0.bak

/etc/sysconfig/network-scripts/, remove Ifcfg-eth0.bak

Second, remove the Linux system redundant network card (for example: eth1)

/etc/modprobe.conf, delete alias eth1 XXXX

/etc/sysconfig/networking/devices directory, delete ifcfg-eth1

/etc/sysconfig/networking/profiles/default directory, delete ifcfg-eth1

/etc/sysconfig/network-scripts/directory, delete Ifcfg-eth0.bak

Third, the Detection network Interface (ETH0) is working properly

/etc/modprobe.conf, this file must have: alias Eth0 XXX

/etc/sysconfig/hwconf, the corresponding configuration of eth0 in this file must also be correct

/etc/sysconfig/network-scripts directory, you must have a configuration file for the network interface: Ifcfg-eth0

The configuration is correct in the/etc/sysconfig/network-scripts/ifcfg-eth0 file, for example: Device=eth0