Paso 1
nano /etc/network/interfaces
source /etc/network/interfaces.d/*
auto lo
iface lo inet loopback
allow-hotplug enp0s3
iface enp0s3 inet static
address 192.168.10.105
netmask 255.255.255.0
network 192.168.10.0
broadcast 192.168.10.255
gateway 192.168.10.254
allow-hotplug enp0s8
iface enp0s8 inet static
address 192.168.1.254
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255

sudo ifup enp0s8

Paso 2
apt install isc-dhcp-server

Paso 3
nano /etc/default/isc-dhcp-server
INTERFACESv4="enp0s8"

Paso 4
nano /etc/dhcp/dhcpd.conf
ddns-update-style none;
option domain-name "fimaz.net";
option domain-name-servers 192.168.1.254;
default-lease-time 600;
max-lease-time 7200;
authoritative;
## SubNet fimaz.net
subnet 192.168.1.0 netmask 255.255.255.0 {
  range 192.168.1.32 192.168.1.63;
  option routers 192.168.1.254;
  option broadcast-address 192.168.1.255;
}

host linuxcliente {
  hardware ethernet 08:00:27:87:82:06;
  fixed-address 192.168.1.2;
}


systemctl restart isc-dhcp-server


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En el cliente

ifdown enp0s3
ifup enp0s3