DHCP

supersede setting value;

request setting;
require setting;

supersede domain-name "example.com";
supersede domain-name-servers 192.168.1.2;
supersede nis-domain "";
supersede nis-servers "";
supersede ntp-servers "ntp.example.com ";
supersede routers 192.168.1.1;
supersede time-offset -18000;
request subnet-mask;
require subnet-mask;

daemon.*           /var/log/daemon.log

deny bootp;

deny declines;

ddns-update-style none;

option domain-name
option domain-name-servers
option nis-domain
option nis-servers
option ntp-servers
option routers
option time-offset

• Correct the BOOTPROTO line to read:

  BOOTPROTO=none

• Add or correct the following lines, substituting the appropriate values based on your site's addressing scheme:

  NETMASK=255.255.255.0
  IPADDR=192.168.1.2
  GATEWAY=192.168.1.1

$ sudo yum erase dhcp

$ sudo systemctl mask --now dhcpd.service