NetworkManager Problem on WHM Install

2017-12-30 23:29:44 586 (ERROR): ********************* ERROR *********************
2017-12-30 23:29:44 587 (ERROR): NetworkManager is installed and running, or
2017-12-30 23:29:44 588 (ERROR): configured to startup.
2017-12-30 23:29:44 589 (ERROR):
2017-12-30 23:29:44 590 (ERROR): cPanel does not support NetworkManager enabled
2017-12-30 23:29:44 591 (ERROR): systems. The installation cannot proceed.
2017-12-30 23:29:44 592 (ERROR):
2017-12-30 23:29:44 593 (ERROR): See https://go.cpanel.net/disablenm for more
2017-12-30 23:29:44 594 (ERROR): information on disabling Network Manager.
2017-12-30 23:29:44 595 (ERROR): ********************* ERROR *********************
2017-12-30 23:29:44 596 (FATAL): Exiting…

– Deactivate firewall

iptables-save > ~/firewall.rules
systemctl stop firewalld.service
systemctl disable firewalld.service

– Deactivate NetworkManager

systemctl stop NetworkManager.service
systemctl disable NetworkManager.service
systemctl enable network.service
systemctl start network.service