dhcrelay command not found

In this troubleshooting guide we learn how to fix dhcrelay command not found error message

Introduction

When you run more command in linux terminal / console, you get the following error message

dhcrelay: command not found

or when using sudo you get the following error message

sudo: dhcrelay: command not found

In Ubuntu dhcrelay is provided by isc-dhcp-relay package.

isc-dhcp-relay is:

This is the Internet Software Consortium’s DHCP relay.

Installing this package will make the machine a DHCP relay, which requires a reachable DHCP or BOOTP server in order to function.

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

To fix this problem, we can install more using the command below.

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

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install isc-dhcp-relay.

sudo apt -y install isc-dhcp-relay

Or if you have aptitude installed you can use the following command.

sudo aptitude install isc-dhcp-relay

In this tutorial we learn how to fix dhcrelay command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.