cat >> /etc/yum.repos.d/MariaDB.repo <

# yum search MariaDB | grep MariaDB============================= N/S Matched: MariaDB =============================MariaDB-Galera-server.x86_64 : MariaDB: a very fast and robust SQL databaseMariaDB-client.x86_64 : MariaDB: a very fast and robust SQL database serverMariaDB-common.x86_64 : MariaDB: a very fast and robust SQL database serverMariaDB-compat.x86_64 : MariaDB: a very fast and robust SQL database serverMariaDB-devel.x86_64 : MariaDB: a very fast and robust SQL database serverMariaDB-server.x86_64 : MariaDB: a very fast and robust SQL database serverMariaDB-shared.x86_64 : MariaDB: a very fast and robust SQL database serverMariaDB-test.x86_64 : MariaDB: a very fast and robust SQL database server

安装数据库

# yum install -y MariaDB-server MariaDB-client

指定默认root密码

# mysqladmin -u root password 'chen'

数据库安全配置

# /usr/bin/mysql_secure_installation/usr/bin/mysql_secure_installation: line 379: find_mysql_client: command not foundNOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB      SERVERS IN PRODUCTION USE!  PLEASE READ EACH STEP CAREFULLY!In order to log into MariaDB to secure it, we'll need the currentpassword for the root user.  If you've just installed MariaDB, andyou haven't set the root password yet, the password will be blank,so you should just press enter here.Enter current password for root (enter for none):OK, successfully used password, moving on...Setting the root password ensures that nobody can log into the MariaDBroot user without the proper authorisation.You already have a root password set, so you can safely answer 'n'.Change the root password? [Y/n]New password:Re-enter new password:Password updated successfully!Reloading privilege tables.. ... Success!By default, a MariaDB installation has an anonymous user, allowing anyoneto log into MariaDB without having to have a user account created forthem.  This is intended only for testing, and to make the installationgo a bit smoother.  You should remove them before moving into aproduction environment.Remove anonymous users? [Y/n] ... Success!Normally, root should only be allowed to connect from 'localhost'.  Thisensures that someone cannot guess at the root password from the network.Disallow root login remotely? [Y/n] ... Success!By default, MariaDB comes with a database named 'test' that anyone canaccess.  This is also intended only for testing, and should be removedbefore moving into a production environment.Remove test database and access to it? [Y/n] - Dropping test database... ... Success! - Removing privileges on test database... ... Success!Reloading the privilege tables will ensure that all changes made so farwill take effect immediately.Reload privilege tables now? [Y/n] ... Success!Cleaning up...All done!  If you've completed all of the above steps, your MariaDBinstallation should now be secure.Thanks for using MariaDB!

进入数据库

# mysql -uroot -pchenWelcome to the MariaDB monitor.  Commands end with ; or \g.Your MariaDB connection id is 12Server version: 5.5.34-MariaDB MariaDB ServerCopyright (c) 2000, 2013, Oracle, Monty Program Ab and others.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.MariaDB [(none)]> show databases;+--------------------+| Database           |+--------------------+| information_schema || mysql              || performance_schema |+--------------------+3 rows in set (0.00 sec)MariaDB [(none)]> use mysql;Reading table information for completion of table and column namesYou can turn off this feature to get a quicker startup with -ADatabase changedMariaDB [mysql]>

使用上与MySQL并无差异