How To Install erfa on CentOS 7

In this tutorial we learn how to install erfa on CentOS 7. erfa is Essential Routines for Fundamental Astronomy

Introduction

In this tutorial we learn how to install erfa on CentOS 7.

What is erfa

ERFA is a C library containing key algorithms for astronomy, and is based on the SOFA library published by the International Astronomical Union (IAU).

We can use yum or dnf to install erfa on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install erfa.

Install erfa on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install erfa using yum by running the following command:

sudo yum -y install erfa

Install erfa on CentOS 7 Using dnf

If you don’t have dnf installed you can install DNF on CentOS 7 first. Update yum database with dnf using the following command.

sudo dnf makecache

After updating yum database, We can install erfa using dnf by running the following command:

sudo dnf -y install erfa

How To Uninstall erfa on CentOS 7

To uninstall only the erfa package we can use the following command:

sudo dnf remove erfa

References

Summary

In this tutorial we learn how to install erfa on CentOS 7 using yum and dnf.