How To Install efibootmgr on CentOS 8

efibootmgr is EFI Boot Manager

Introduction

In this tutorial we learn how to install efibootmgr on CentOS 8.

What is efibootmgr

efibootmgr displays and allows the user to edit the Intel Extensible Firmware Interface (EFI) Boot Manager variables. Additional information about EFI can be found at http

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

Install efibootmgr 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 efibootmgr using dnf by running the following command:

sudo dnf -y install efibootmgr

Install efibootmgr 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 efibootmgr using yum by running the following command:

sudo yum -y install efibootmgr

How To Uninstall efibootmgr on CentOS 8

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

sudo dnf remove efibootmgr

efibootmgr Package Contents on CentOS 8

/usr/lib/.build-id
/usr/lib/.build-id/5a
/usr/lib/.build-id/5a/53c0b8833a60f921e91754e5a42cb0e1cbb1df
/usr/lib/.build-id/79
/usr/lib/.build-id/79/e2750bab450f433471b69a771d749fab18d500
/usr/sbin/efibootdump
/usr/sbin/efibootmgr
/usr/share/doc/efibootmgr
/usr/share/doc/efibootmgr/README
/usr/share/licenses/efibootmgr
/usr/share/licenses/efibootmgr/COPYING
/usr/share/man/man8/efibootdump.8.gz
/usr/share/man/man8/efibootmgr.8.gz

References

Summary

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