When I try to install xtrabackup I have a conflict :
yum install percona-xtrabackup
Transaction check error:
file /etc/my.cnf from install of Percona-Server-shared-56-5.6.30-rel76.3.el7.x86_64 conflicts with file from package mysql-community-server-5.7.13-1.el7.x86_64
Installing Percona XtraBackup on Red Hat Enterprise Linux
Ready-to-use packages are available from the Percona XtraBackup software repositories and the download page. The
------------------------------------------------------------------------------------------------Select version —Percona XtraBackup 2.2.9
Software —Red Hat Enterprise Linux / Centos / Oracle Linux6
Hardware—i386 (32Bit) i686 (32Bit) x86_64 (64Bit)