vi /etc/sysconfig/network-scripts/ifcfg-ens33

DEVICE=ens33
TYPE=Ethernet
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=static
IPADDR=10.0.50.240
NETMASK=255.255.255.0
GETWAY=10.0.50.254
DNS1=10.6.124.202
DNS2=10.6.21.202
IPV6INIT=no
USERCTL=no


vi /etc/sysconfig/network

NETWORKING=yes
GATEWAY=10.0.50.254