MySQL /etc/mysql/mysql.cnf

Original ๐Ÿ“‹ Debian 9 (Stretch) 33 lines

Details

Size
33 lines
MD5
53ae2664855ebc0842cc85c90a995cec
SHA256
1795e83b09cbec984caca2187642ab98a5dd78f57ec4a0268c4a0487749fe9c0
/etc/mysql/mysql.cnf
# Copyright (c) 2015, 2021, 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 also distributed 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 included with MySQL.
#
# 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  Server configuration file.
#
# For explanations see
# http://dev.mysql.com/doc/mysql/en/server-system-variables.html

# * IMPORTANT: Additional settings that can override those from this file!
#   The files must end with '.cnf', otherwise they'll be ignored.
#
!includedir /etc/mysql/conf.d/
!includedir /etc/mysql/mysql.conf.d/

Copy & Paste

curl:
curl https://exampleconfig.com/api/v1/config/original/53ae2664855ebc0842cc85c90a995cec?hint=mysql.cnf
wget:
wget -O mysql.cnf https://exampleconfig.com/api/v1/config/original/53ae2664855ebc0842cc85c90a995cec?hint=mysql.cnf

For AI Agents

<prompt><role>DevOps agent</role><source url='https://exampleconfig.com/api/v1/config/original/53ae2664855ebc0842cc85c90a995cec?hint=mysql.cnf' /><config><app>MySQL</app><os>Debian 9 (Stretch)</os><location>/etc/mysql/mysql.cnf</location><lines>33</lines><md5>53ae2664855ebc0842cc85c90a995cec</md5><sha256>1795e83b09cbec984caca2187642ab98a5dd78f57ec4a0268c4a0487749fe9c0</sha256></config></prompt>

Paste into Claude, ChatGPT, or any AI assistant.

Install MySQL

Debian

sudo apt update && sudo apt install mysql-server

Red Hat Enterprise Linux

sudo yum install mysql-server

Ubuntu

sudo apt update && sudo apt install mysql-server

File Location

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

FAQ

When should I use this mysql.cnf?

Use it to restore a missing default, confirm what shipped, or diff against your current MySQL config.

How do I restore MySQL defaults?

Download the file, back up the current one in /etc/mysql/mysql.cnf, replace it, then reload or restart MySQL.

Is mysql.cnf safe for production?

It is the vendor default for Debian 9 (Stretch). Treat it as a baseline and review security and performance settings before production use.

How does this differ from other OS versions?

Defaults vary by distro and version. This copy matches Debian 9 (Stretch).

Can I use this for MySQL troubleshooting?

Yes. Diff it against yours to find drift, then restore only the sections you need.