How To Install erfa on Rocky Linux 8

In this tutorial we learn how to install erfa on Rocky Linux 8. erfa is Essential Routines for Fundamental Astronomy

Introduction

In this tutorial we learn how to install erfa on Rocky Linux 8.

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 Rocky Linux 8. In this tutorial we discuss both methods but you only need to choose one of method to install erfa.

Install erfa on Rocky Linux 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

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

sudo dnf -y install erfa

Install erfa on Rocky Linux 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

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

sudo yum -y install erfa

How To Uninstall erfa on Rocky Linux 8

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

sudo dnf remove erfa

erfa Package Contents on Rocky Linux 8

/usr/lib/.build-id
/usr/lib/.build-id/bf
/usr/lib/.build-id/bf/cfaf9b5f3f52200d7a738691c4924d455db543
/usr/lib64/liberfa.so.1
/usr/lib64/liberfa.so.1.8.0
/usr/share/doc/erfa
/usr/share/doc/erfa/INFO
/usr/share/doc/erfa/README.rst
/usr/share/licenses/erfa
/usr/share/licenses/erfa/LICENSE

References

Summary

In this tutorial we learn how to install erfa on Rocky Linux 8 using yum and dnf.