systemctl stop NetworkManager.service
systemctl disable NetworkManager.service
echo "NM_CONTROLLED=no" >> /etc/sysconfig/network-scripts/ifcfg-eth*
echo "NM_CONTROLLED=no" >> /etc/sysconfig/network-scripts/ifcfg-lo
systemctl enable network.service
systemctl start network.service

perl -p -i -e 's/PT_USERTIME = "1800"/PT_USERTIME = "0"/g' /etc/csf/csf.conf && csf -r && service lfd restart