MariaDB /etc/mysql/conf.d/mysql.cnf

Authentic ๐Ÿ“‹ Debian 12 (Bookworm) 31 lines

Compatibility

Currently viewing:
Debian 12 (Bookworm)
Also compatible:
Ubuntu 20.04 LTS (Focal Fossa) Ubuntu 22.04 LTS (Jammy Jellyfish) Ubuntu 24.04 LTS (Noble Numbat)
Different versions:

File Info

Size
31 lines
MD5
a5791297e25094a8322f515e6ee76dfa
SHA256
2e50d13a897dec67bb221e46c518651859007687d29095a3576aad6253e9a98c

Quick Commands

curl:
curl https://exampleconfig.com/api/v1/config/original/a5791297e25094a8322f515e6ee76dfa?hint=mysql.cnf
wget:
wget -O mysql.cnf https://exampleconfig.com/api/v1/config/original/a5791297e25094a8322f515e6ee76dfa?hint=mysql.cnf
/etc/mysql/conf.d/mysql.cnf
# Copyright (c) 2015, 2025, Oracle and/or its affiliates.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2.0,
# as published by the Free Software Foundation.
#
# This program is designed to work with certain software (including
# but not limited to OpenSSL) that is licensed under separate terms,
# as designated in a particular file or component or in included license
# documentation.  The authors of MySQL hereby grant you an additional
# permission to link the program and your derivative works with the
# separately licensed software that they have either included with
# the program or referenced in the documentation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License, version 2.0, for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA

#
# The MySQL  Client configuration file.
#
# For explanations see
# http://dev.mysql.com/doc/mysql/en/server-system-variables.html

[mysql]

How to Install MariaDB

Alpine Linux

sudo apk add mariadb

Debian

sudo apt update && sudo apt install mariadb-server

Red Hat Enterprise Linux

sudo yum install mariadb-server

Ubuntu

sudo apt update && sudo apt install mariadb-server

Configuration File Location

File Path
/etc/mysql/conf.d/mysql.cnf
Directory
/etc/mysql/conf.d/
Significance
System-wide configuration directory
Description
Files in /etc/ contain system-wide configuration settings that affect all users.

Complete MariaDB Configuration Guide

What is mysql.cnf?
Get the original 'mysql.cnf' configuration file for MariaDB from a clean Debian 12 (Bookworm) installation. This is the factory-default configuration for the popular MySQL-compatible database, perfect for migration planning, performance tuning, and understanding MariaDB-specific optimizations.
Technical Details
Found at '/etc/mysql/conf.d/mysql.cnf', this 31-line file includes Aria storage engine settings, enhanced MyISAM performance, improved replication features, and advanced security options. Used by Wikipedia, Google, and millions of applications requiring high-performance database operations.
Common Configuration Question
How do you configure MariaDB for optimal performance and what are the key differences from MySQL on Debian 12?
Why Use This Configuration?
This default configuration showcases MariaDB's enhanced features including better thread handling, improved optimizer, and additional storage engines. Essential for database administrators and developers migrating from MySQL or building new applications.

Frequently Asked Questions

When should I use this mysql.cnf file?

Use this original configuration file when you need to restore MariaDB to its default state after misconfiguration, during fresh installations, or as a baseline for customization. It's particularly useful for troubleshooting when your current config isn't working properly.

How do I restore MariaDB to default settings?

Download this file and replace your current configuration at /etc/mysql/conf.d/mysql.cnf. Make sure to backup your existing configuration first, then restart the MariaDB service to apply the changes.

Is this mysql.cnf file secure for production use?

This is the factory-default configuration that ships with MariaDB on Debian 12 (Bookworm). While it provides a secure baseline, you should review and customize security settings based on your specific production requirements and compliance needs.

What's the difference between this and other OS versions?

This configuration is specifically from Debian 12 (Bookworm). Different operating systems and versions may have slightly different default settings, security patches, or feature availability. Check the compatibility section above for other OS versions.

Can I use this configuration file for MariaDB troubleshooting?

Yes, this original configuration is excellent for troubleshooting. Compare it with your current settings to identify modifications that might be causing issues, or temporarily replace your config with this one to isolate problems.