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In this tutorial, I’ll show you how to upgrade MariaDB 5.5 to MariaDB 10.3 on CentOS 7.5 (1804).

This tutorial assumes that you are running a stock/default installation of CentOS 7.5, and have already installed MariaDB 5.5.

 

1. Make sure you’re running MariaDB 5.5

Run the following command:

mysql -v

Should output the following:

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 2
Server version: 5.5.60-MariaDB MariaDB Server

Perfect, let’s keep going!

 

2. Add the MariaDB 10.3 Repository

Run the following command to add the MariaDB 10.3 repository to yum:

nano /etc/yum.repos.d/maria10-3.repo

Paste the following into the editor

# MariaDB 10.3 CentOS repository list - created 2018-11-19 23:14 UTC
# http://downloads.mariadb.org/mariadb/repositories/
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.3/centos7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1

Save and close the editor, then move to the next step

 

3. Upgrade to MariaDB 10.3 and verify success

Run the following command to upgrade to MariaDB 10.3:

yum -y upgrade maria*

Output should look something like this:

=============================================================================================================================================
 Package                            Arch                       Version                                     Repository                   Size
=============================================================================================================================================
Installing:
 MariaDB-client                     x86_64                     10.3.10-1.el7.centos                        mariadb                      53 M
     replacing  mariadb.x86_64 1:5.5.60-1.el7_5
 MariaDB-compat                     x86_64                     10.3.10-1.el7.centos                        mariadb                     2.8 M
     replacing  mariadb-libs.x86_64 1:5.5.60-1.el7_5
 MariaDB-server                     x86_64                     10.3.10-1.el7.centos                        mariadb                     123 M
     replacing  mariadb-server.x86_64 1:5.5.60-1.el7_5
Installing for dependencies:
 MariaDB-common                     x86_64                     10.3.10-1.el7.centos                        mariadb                     157 k

Transaction Summary
=============================================================================================================================================

Once yum does it’s thing, restart the MariaDB daemon:

systemctl restart mariadb

Then verify that the service has started and the installation is complete:

mysql -v

You should see output similar to the following:

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 8
Server version: 10.3.10-MariaDB MariaDB Server

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Sweet, you’re now running MariaDB 10.3!

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