How To Install rhn-setup on CentOS 8

rhn-setup is Configure and register an RHN/Spacewalk client

Introduction

In this tutorial we learn how to install rhn-setup on CentOS 8.

What is `rhn-setup`

rhn-setup contains programs and utilities to configure a system to use Red Hat Satellite or Spacewalk, and to register a system with a Red Hat Satellite or Spacewalk server.

We can use yum or dnf to install rhn-setup on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install rhn-setup.

Install rhn-setup on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

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

sudo dnf -y install rhn-setup

Install rhn-setup on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install rhn-setup using yum by running the following command:

sudo yum -y install rhn-setup

How To Uninstall rhn-setup on CentOS 8

To uninstall only the rhn-setup package we can use the following command:

sudo dnf remove rhn-setup

rhn-setup Package Contents on CentOS 8

/etc/pam.d/rhn_register
/etc/security/console.apps/rhn_register
/usr/bin/rhn_register
/usr/sbin/rhn-channel
/usr/sbin/rhn_register
/usr/sbin/rhnreg_ks
/usr/sbin/spacewalk-channel
/usr/share/man/man8/rhn-channel.8.gz
/usr/share/man/man8/rhn_register.8.gz
/usr/share/man/man8/rhnreg_ks.8.gz
/usr/share/man/man8/spacewalk-channel.8.gz
/usr/share/setuptool/setuptool.d/99rhn_register

References

rhn-setup website

Summary

In this tutorial we learn how to install rhn-setup on CentOS 8 using yum and dnf.