Scenario: No file is automatically generated after a NIC is added or no new file is automatically generated after a NIC is cloned.
Check the NIC UUID: nmcli con show or nmcli con list
To check the NIC MAC address, run the nmcli dev show or nmcli dev list command
Note: show is used for version 7. List is used for version 6;
If you don’t remember how to use nmcli, you can use nmcli –help to see how this command is used, as well as other commands that are not used much. /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/udev/rules.d/70-persistent-net.rules