Centos：

# wget https://www.percona.com/redir/downloads/percona-release/redhat/0.1-4/percona-release-0.1-4.noarch.rpm
# rpm -ivh percona-release-0.1-4.noarch.rpm
# yum -y --nogpgcheck install percona-xtrabackup-24.x86_64

Ubuntu：

$ wget https://repo.percona.com/apt/percona-release_latest.$(lsb_release -sc)_all.deb
$ sudo dpkg -i percona-release_latest.$(lsb_release -sc)_all.deb
$ sudo apt-get update
$ sudo apt-get install percona-xtrabackup-24

 

参考：

https://www.percona.com/doc/percona-xtrabackup/2.4/installation/yum_repo.html

https://www.percona.com/doc/percona-xtrabackup/2.4/installation/apt_repo.html