ElementaryOS 0.4: Install isc-dhcp-server for DHCP server

Table of Contents

1 Install isc-dhcp-server

Install isc-dhcp-server with apt.

$ sudo apt install -y isc-dhcp-server

2 /etc/default/isc-dhcp-server

Add configuration for DHCPD. INTERFACES is a network interface name which is connected to a network which you try to provided DHCP.

$ INTERFACES=ens3$ sudo sed -e ‘s/^#DHCPD_CONF=/DHCPD_CONF=/g’ -e ‘s/^#DHCPD_PID=/DHCPD_PID=/g’ -e “s/INTERFACES=””/INTERFACES=”${INTERFACES}”/g” -i /etc/default/isc-dhcp-server

3 /etc/dhcp/dhcpd.conf

Define domain name, DHCP server IP address and gateway IP address. Mapping MAC address 52:54:00:c0:07:60 to IP address

$ cat /etc/dhcp/dhcpd.confsubnet netmask { option domain-name “hiroom2.com”; option domain-name-servers,; option routers;}host dhcp-client { hardware ethernet 52:54:00:c0:07:60; fixed-address;}

4 Run isc-dhcp-server

Run isc-dhpc-server with systemd.

$ sudo systemctl enable isc-dhcp-server$ sudo systemctl restart isc-dhcp-server

5 Execution result

Run the following command on client machine.

IP address is provided.

$ ip a s1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWNgroup default qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_faststate UP group default qlen 1000 link/ether 52:54:00:c0:07:60 brd ff:ff:ff:ff:ff:ff inet brd scope global dynamic ens3 valid_lft 43148sec preferred_lft 43148sec inet6 fe80::5054:ff:fec0:760/64 scope link valid_lft forever preferred_lft forever

DNS servers are provided.

$ cat /etc/resolv.conf# Generated by NetworkManagersearch hiroom2.comnameserver

Android | Linux | SDL - Narrow Escape