Install MariaDB 10.1 in CentOS 6.6 ref: http://qiita.com/giwa/items/a8bba1901080b7204fc2

file0.txt

$ yum remove mysql

file1.txt

vi /etc/yum.repos.d/MariaDB.repo

file2.txt

# MariaDB 10.0 CentOS repository list - created 2014-03-12 12:47 UTC
# http://mariadb.org/mariadb/repositories/
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.1/centos6-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1

file3.txt

$ yum install MariaDB-server MariaDB-client MariaDB-devel

file4.txt

$ service mysql start

file5.txt

$ mysql --version
mysql  Ver 15.1 Distrib 10.1.4-MariaDB, for Linux (x86_64) using readline 5.1

file6.txt

$ chkconfig mysql on