How To Install isc-dhcp-client on Debian 9

Introduction

In this tutorial we learn how to install isc-dhcp-client on Debian 9.

What is isc-dhcp-client

isc-dhcp-client is:

This is the Internet Software Consortium’s DHCP client.

Dynamic Host Configuration Protocol (DHCP) is a protocol like BOOTP (actually dhcpd includes much of the functionality of bootpd). It gives client machines “leases” for IP addresses and can automatically set their network configuration. If your machine depends on DHCP (especially likely if it’s a workstation on a large network, or a laptop, or attached to a cable modem), keep this or another DHCP client installed.

Extra documentation can be found in the package isc-dhcp-common.

There are three methods to install isc-dhcp-client on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install isc-dhcp-client Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install isc-dhcp-client using apt-get by running the following command:

sudo apt-get -y install isc-dhcp-client

Install isc-dhcp-client Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install isc-dhcp-client using apt by running the following command:

sudo apt -y install isc-dhcp-client

Install isc-dhcp-client Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install isc-dhcp-client using aptitude by running the following command:

sudo aptitude -y install isc-dhcp-client

How To Uninstall isc-dhcp-client on Debian 9

To uninstall only the isc-dhcp-client package we can use the following command:

sudo apt-get remove isc-dhcp-client

Uninstall isc-dhcp-client And Its Dependencies

To uninstall isc-dhcp-client and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove isc-dhcp-client

Remove isc-dhcp-client Configurations and Data

To remove isc-dhcp-client configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge isc-dhcp-client

Remove isc-dhcp-client configuration, data, and all of its dependencies

We can use the following command to remove isc-dhcp-client configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge isc-dhcp-client

Dependencies

isc-dhcp-client have the following dependencies:

• libc6
• libdns-export162
• libisc-export160
• debianutils
• iproute2

References

• isc-dhcp-client website

Summary

In this tutorial we learn how to install isc-dhcp-client package on Debian 9 using different package management tools: apt, apt-get and aptitude.