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MariaDB is one of the popular open-source database management system used by small to large enterprises. It is a fork of MySQL, developed by MariaDB Corporation Ab, led by the original developers of MySQL.

MariaDB is fully compatible with MySQL database for ensuring a drop-in replacement capability. It is used as a database server in LAMP and LEMP stack.

In this post, we will see how to install MariaDB on CentOS 7 / RHEL 7.

Install MariaDB on CentOS 7 / RHEL 7

You can install MariaDB package on CentOS 7 / RHEL 7 using two sources.

Install MariaDB from Official MariaDB Mirror

MariaDB foundation offers MariaDB packages for CentOS 7 / RHEL 7. Packages provided by MariaDB community is always fresh and is supported by them.

Add MariaDB repository to the system that MariaDB offers for CentOS 7 / RHEL 7.

### CentOS 7 ### cat <<EOF >> /etc/yum.repos.d/mariadb.repo
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.4/centos7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1
EOF ### RHEL 7 ### cat <<EOF >> /etc/yum.repos.d/mariadb.repo
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.4/rhel7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1
EOF
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Install MariaDB server using the following command.

yum install -y MariaDB-server MariaDB-client

Install MariaDB from Base Repository

Installing MariaDB from base OS repository is a straightforward way. But, the repository may have a bit old version of MariaDB package.

yum -y install mariadb-server mariadb

Manage MariaDB Service

Start the MariaDB service with the following command.

systemctl start mariadb

Verify whether MariaDB is running or not.

systemctl status mariadb
MariaDB Service Status
MariaDB Service Status

Enable MariaDB service to start automatically on system startup.

systemctl enable mariadb

Secure MariaDB Installation

Use the mysql_secure_installation command to perform the initial setup of the MariaDB server.

This command is generally recommended to run in production Linux servers to remove anonymous users, test database, and disallows remote root login.

mysql_secure_installation

Official MariaDB Mirror

NOTE: 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 current
password for the root user. If you've just installed MariaDB, and
haven't set the root password yet, you should just press enter here. Enter current password for root (enter for none): << Just press enter
OK, successfully used password, moving on... Setting the root password or using the unix_socket ensures that nobody
can log into the MariaDB root user without the proper authorisation. You already have your root account protected, so you can safely answer 'n'. Switch to unix_socket authentication [Y/n] N << Disable Unix Socket Authentication ... skipping. You already have your root account protected, so you can safely answer 'n'. Change the root password? [Y/n] Y << Change Root Password
New password: << Enter Password
Re-enter new password: << Re-Enter Password
Password updated successfully!
Reloading privilege tables.. ... Success! By default, a MariaDB installation has an anonymous user, allowing anyone
to log into MariaDB without having to have a user account created for
them. This is intended only for testing, and to make the installation
go a bit smoother. You should remove them before moving into a
production environment. Remove anonymous users? [Y/n] Y << Remove Anonymous Users ... Success! Normally, root should only be allowed to connect from 'localhost'. This
ensures that someone cannot guess at the root password from the network. Disallow root login remotely? [Y/n] Y << Disallow root login remotely ... Success! By default, MariaDB comes with a database named 'test' that anyone can
access. This is also intended only for testing, and should be removed
before moving into a production environment. Remove test database and access to it? [Y/n] Y  << Remove test database - Dropping test database... ... Success! - Removing privileges on test database... ... Success! Reloading the privilege tables will ensure that all changes made so far
will take effect immediately. Reload privilege tables now? [Y/n] Y << Reload Tables ... Success! Cleaning up... All done! If you've completed all of the above steps, your MariaDB
installation should now be secure. Thanks for using MariaDB!

Base OS Repository

NOTE: 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 current
password for the root user. If you've just installed MariaDB, and
you 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): << Just Press Enter
OK, successfully used password, moving on... Setting the root password ensures that nobody can log into the MariaDB
root user without the proper authorisation. Set root password? [Y/n] Y << Set MariaDB root password
New password:  << Enter password
Re-enter new password: << Re-Enter password
Password updated successfully!
Reloading privilege tables.. ... Success! By default, a MariaDB installation has an anonymous user, allowing anyone
to log into MariaDB without having to have a user account created for
them. This is intended only for testing, and to make the installation
go a bit smoother. You should remove them before moving into a
production environment. Remove anonymous users? [Y/n] Y  << Remove Anonymous user ... Success! Normally, root should only be allowed to connect from 'localhost'. This
ensures that someone cannot guess at the root password from the network. Disallow root login remotely? [Y/n] Y << Disasslow root login remotely ... Success! By default, MariaDB comes with a database named 'test' that anyone can
access. This is also intended only for testing, and should be removed
before moving into a production environment. Remove test database and access to it? [Y/n] Y << Remove test database - Dropping test database... ... Success! - Removing privileges on test database... ... Success! Reloading the privilege tables will ensure that all changes made so far
will take effect immediately. Reload privilege tables now? [Y/n] Y << Reload Tables ... Success! Cleaning up... All done! If you've completed all of the above steps, your MariaDB
installation should now be secure. Thanks for using MariaDB!

Access MariaDB

Login into MariaDB server.

mysql -u root -p

If you have installed MariaDB from the official repository, you need not to enter the password to login to MariaDB shell when you are Unix root user.

Welcome to the MariaDB monitor. Commands end with ; or g.
Your MariaDB connection id is 22
Server version: 10.4.7-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or 'h' for help. Type 'c' to clear the current input statement. MariaDB [(none)]>

Install phpMyAdmin

If you are new to MariaDB, then consider installing phpMyAdmin to manage database over a web browser.

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READ: How To Install phpMyAdmin with Apache on CentOS 7 / RHEL 7

READ: How To Install phpMyAdmin with Nginx on CentOS 7 / RHEL 7

Conclusion

That’s All. I hope you have learned how to install MariaDB on CentOS 7 / RHEL 7 and did the initial setup. Read Beginner MariaDB Articles to know more about working with MariaDB.

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