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
Copy
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.
Copy
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
Copy
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.
Copy
After updating yum database, We can install virt-backup
using yum
by running the following command:
sudo yum -y install virt-backup
Copy
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
Copy
References
Summary
In this tutorial we learn how to install virt-backup
on CentOS 8 using yum and dnf.