resolvconf-admin command not found

Introduction

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

resolvconf-admin: command not found

or when using sudo you get the following error message

sudo: resolvconf-admin: command not found

Solutions to resolvconf-admin: command not found

How To Fix resolvconf-admin: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu resolvconf-admin is provided by resolvconf-admin package.

resolvconf-admin is:

resolvconf-admin deals with setting the local DNS information, which needs to be done by root on some systems. For example, it should enable a non-privileged DHCP client to add information about DNS resolvers it discovers.

If /sbin/resolvconf is present, it is invoked as root with the recommended data. If it is not present, then /etc/resolv.conf is overwritten with a simple file.

Note: setuid binaries like resolvconf-admin are additional attack surface on your system. If you can use a different approach, such as enabling systemd-resolved, you should probably prefer it.

DO NOT INSTALL THIS PACKAGE (or any other with a setuid binary) IF YOU DO NOT NEED IT!

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

sudo apt-get -y install resolvconf-admin

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

You can also use apt command to install resolvconf-admin.

sudo apt -y install resolvconf-admin

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

sudo aptitude install resolvconf-admin

Summary

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