CentOS set static IP address

To set a static IP address in CentOS edit the file
/etc/sysconfig/network-scripts/ifcfg-$networkcard
Where $networkcard is the name of the interface that you want to setup.
The default is dhcp so you have to change like this, for example:
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
IPADDR=192.168.8.3
NETMASK=255.255.255.0
GATEWAY=192.168.8.9
DNS1=192.168.8.203
DNS2=192.168.8.213
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
NAME=eth0
UUID=aabb3fe2-4eea-4096-9dbb-a674e196a821
DEVICE=enp1s0
ONBOOT=yes