1. Install the Percona yum repository by running the following command as the root user or with sudo:
    yum installhttps://repo.percona.com/yum/percona-release-latest.noarch.rpm

Enable the repository:
percona-release enable-only tools release

If Percona XtraBackup is intented to be used in combination with the upstream MySQL Server, you only need to enable the toolsrepository:
percona-release enable-only tools

2. Install Percona XtraBackup by running:
yum install percona-xtrabackup-80



Make sure that you have the libev package installed before installing Percona XtraBackup.

The libev package is available from the EPEL repositories.