* Reload networking service and verify it's running:
<pre>
$ sudo systemctl service networking restart networking$ systemctl status service networking$ systemctl status networking
● networking.service - Raise network interfaces
Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor preset: enabled)
}
</pre>
* Reload isc-dhcp-server service and verify it's running:
<pre>
$ sudo systemctl restart service isc-dhcp-serverrestart$ systemctl status service isc-dhcp-serverstatus
● isc-dhcp-server.service - ISC DHCP IPv4 server
Loaded: loaded (/lib/systemd/system/isc-dhcp-server.service; enabled; vendor preset: enabled)