How To Install isc-dhcp-client on Ubuntu 20.04

In this tutorial we learn how to install isc-dhcp-client on Ubuntu 20.04. isc-dhcp-client is DHCP client for automatically obtaining an IP address DHCP client for automatically obtaining an IP address

Introduction

In this tutorial we learn how to install isc-dhcp-client on Ubuntu 20.04.

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. Task: minimal, ubuntu-core

Package: isc-dhcp-client Architecture: amd64 Version: 4.4.1-2.1ubuntu5 Priority: important Section: net Source: isc-dhcp Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Debian ISC DHCP Maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 730 Provides: dhcp-client Depends: libc6 (>= 2.15), libdns-export1109, libisc-export1105, debianutils (>= 2.8.2), iproute2 Recommends: isc-dhcp-common Suggests: resolvconf, avahi-autoipd, isc-dhcp-client-ddns Filename: pool/main/i/isc-dhcp/isc-dhcp-client_4.4.1-2.1ubuntu5_amd64.deb Size: 246084 MD5sum: e5db5825d412b4daf72d42677ed7419a SHA1: 6393517cdbc599ed08898ac834fb0e9959bc8aee SHA256: 3c51873dbc1eb7d8c987ec7482b49408b1256887d63d8e044e110bc34a036cc2 Homepage: http://www.isc.org Description-en: DHCP client for automatically obtaining an IP address 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. Task: minimal, ubuntu-core

There are three methods to install isc-dhcp-client on Ubuntu 20.04. 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 Ubuntu. 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 Ubuntu 20.04

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 Ubuntu 20.04, 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 Ubuntu 20.04 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

References

Summary

In this tutorial we learn how to install isc-dhcp-client package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.