How To Install virt-backup on CentOS 8

virt-backup is Backup script for libvirt managed VM

Introduction

In this tutorial we learn how to install virt-backup on CentOS 8.

What is virt-backup

This script allows you to backup Virtual Machines managed by libvirt. It has only be tested with KVM based VM This script will dump (or mount as a set of chunks) * each block devices * optionnally the memory (if –state flag is given) * the XML description of the VM

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

Install virt-backup 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 virt-backup using dnf by running the following command:

sudo dnf -y install virt-backup

Install virt-backup 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 virt-backup using yum by running the following command:

sudo yum -y install virt-backup

How To Uninstall virt-backup on CentOS 8

To uninstall only the virt-backup package we can use the following command:

sudo dnf remove virt-backup

virt-backup Package Contents on CentOS 8

/usr/bin/virt-backup
/usr/share/doc/virt-backup
/usr/share/doc/virt-backup/README
/usr/share/licenses/virt-backup
/usr/share/licenses/virt-backup/COPYING
/var/lib/libvirt/backup

References

Summary

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