1. 配置yum源，在/etc/yum.repos.d/下创建MariaDB.repo文件，内容如下(根据操作系统实际情况选择)：

# MariaDB 5.5 CentOS5-x86
# MariaDB 5.5 CentOS repository list – created 2013-08-08 08:08 UTC
# http://mariadb.org/mariadb/repositories/
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/5.5.32/centos6-x86
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1

# MariaDB 5.5 CentOS5-amd64
# MariaDB 5.5 CentOS repository list – created 2013-08-08 08:08 UTC
# http://mariadb.org/mariadb/repositories/
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/5.5.32/centos5-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1

# MariaDB 5.5 CentOS6-x86
# MariaDB 5.5 CentOS repository list – created 2013-08-08 08:08 UTC
# http://mariadb.org/mariadb/repositories/
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/5.5.32/centos6-x86
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1

# MariaDB 5.5 CentOS6-amd64
# MariaDB 5.5 CentOS repository list – created 2013-08-08 08:08 UTC
# http://mariadb.org/mariadb/repositories/
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/5.5.32/centos6-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1




2. YUM安装MariaDB 5.5.32，命令如下：
yum install MariaDB-server MariaDB-client



3. 启动MariaDB服务器，命令如下：
service mysql start


4. 设定数据库服务器管理员密码：
SET PASSWORD FOR ‘root’@'localhost’ = PASSWORD(‘root_password’);

 

5. 删除不安全的数据库账户，命令如下：
use mysql;
delete from user where user=”" or password=”";



6. 修改数据库账户用户密码，命令如下：
mysqladmin -u root -p password New_password
Enter Old_password