# wget http://archive.mariadb.org//mariadb-5.5.44/bintar-linux-x86/mariadb-5.5.44-linux-i686.tar.gz
# tar xf mariadb-5.5.44-linux-x86_64.tar.gz -C /usr/local
# cd /usr/local

# mkdir -pv /mydata/data

# useradd -r mysql
#chown -R mysql.mysql /mydata/data

# cd /usr/local
# ln -sv mariadb-5.5.44-linux-x86_64/ mysql

# cd /usr/local/mysql
# chown -R root.mysql ./*

# mkdir /etc/mysql
# cp support-files/my-large.cnf /etc/mysql/my.cnf/
# vim /etc/mysql/my.cnf

# cp support-files/mysql.server /etc/rc.d/init.d/mysqld
# chmod +x /etc/rc.d/init.d/mysqld
# chkconfig --add mysqld
# service mysqld start

# vim /etc/profile.d/mysqld.sh
  export PATH=/usr/local/mysql/bin:$PATH
# . /etc/profile.d/mysqld.sh