How To Install virt-backup on CentOS 8

原创于 2025-04-20 09:38:34 发布 · 699 阅读

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#centos #linux #运维

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.

在 RHEL 8.x 服务器上安装并启用 EPEL 仓库

登录或 SSH 到你的 RHEL 8.x 服务器，并执行以下 dnf 命令来安装 EPEL rpm 包，

[root@linuxtechi ~]# dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm -y

上面命令的输出将如下所示，

dnf-install-epel-repo-rehl8

EPEL rpm 包成功安装后，它将自动启用并配置其 yum/dnf 仓库。运行以下 dnf 或 yum 命令，以验证是否启用了 EPEL 仓库，

[root@linuxtechi ~]# dnf repolist epel
或者
[root@linuxtechi ~]# dnf repolist epel -v

epel-repolist-rhel8

Install virt-backup on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

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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.

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

sudo dnf -y install virt-backup

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Install virt-backup on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

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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.

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

sudo yum -y install virt-backup

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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

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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

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