Automatic creation of 70-persistent-net.rules on CentOS 7 with net.ifnames=0 and biosdevname=0 All quoted scripts are direct copy from latest CentOS 6 Logon under root or sudo -s Create "/lib/udev/write_net_rules" file with content: #!/bin/sh -e # # Copyright (C) 2006 Marco d'Itri <md@Linux.IT>