qd-config command not found

Introduction

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

qd-config: command not found

or when using sudo you get the following error message

sudo: qd-config: command not found

Solutions to qd-config: command not found

How To Fix qd-config: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu qd-config is provided by libqd-dev package.

libqd-dev is:

This package supports both a double-double datatype (approx. 32 decimal digits) and a quad-double datatype (approx. 64 decimal digits). The computational library is written in C++. Both C++ and Fortran-90 high-level language interfaces are provided to permit one to convert an existing C++ or Fortran-90 program to use the library with only minor changes to the source code.

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

sudo apt-get -y install libqd-dev

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

You can also use apt command to install libqd-dev.

sudo apt -y install libqd-dev

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

sudo aptitude install libqd-dev

Summary

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