MariaDB /etc/mysql/debian-start

Authentic ๐Ÿ“‹ Debian 9 (Stretch) 43 lines

Compatibility

Currently viewing:
Debian 9 (Stretch)
Also compatible:
Ubuntu 18.04 LTS (Bionic Beaver)
Different versions:

File Info

Size
43 lines
MD5
698c5abe65f83aec900a3f0e3500e758
SHA256
70cd8740d2a8163e0f354cf5959319efcdc0d65a1b7380b6940af9452d3648a3

Quick Commands

curl:
curl https://exampleconfig.com/api/v1/config/original/698c5abe65f83aec900a3f0e3500e758?hint=debian-start
wget:
wget -O debian-start https://exampleconfig.com/api/v1/config/original/698c5abe65f83aec900a3f0e3500e758?hint=debian-start
/etc/mysql/debian-start
#!/bin/bash
#
# This script is executed by "/etc/init.d/mysql" on every (re)start.
#
# Changes to this file will be preserved when updating the Debian package.
#
# NOTE: This file is read only by the traditional SysV init script, not systemd.
#

source /usr/share/mysql/debian-start.inc.sh

if [ -f /etc/default/mysql ]; then
  . /etc/default/mysql
fi

MYSQL="/usr/bin/mysql --defaults-file=/etc/mysql/debian.cnf"
MYADMIN="/usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf"
MYUPGRADE="/usr/bin/mysql_upgrade --defaults-extra-file=/etc/mysql/debian.cnf"
MYCHECK="/usr/bin/mysqlcheck --defaults-file=/etc/mysql/debian.cnf"
MYCHECK_SUBJECT="WARNING: mysqlcheck has found corrupt tables"
MYCHECK_PARAMS="--all-databases --fast --silent"
MYCHECK_RCPT="${MYCHECK_RCPT:-root}"

## Checking for corrupt, not cleanly closed (only for MyISAM and Aria engines) and upgrade needing tables.

# The following commands should be run when the server is up but in background
# where they do not block the server start and in one shell instance so that
# they run sequentially. They are supposed not to echo anything to stdout.
# If you want to disable the check for crashed tables comment
# "check_for_crashed_tables" out.
# (There may be no output to stdout inside the background process!)

# Need to ignore SIGHUP, as otherwise a SIGHUP can sometimes abort the upgrade
# process in the middle.
trap "" SIGHUP
(
  upgrade_system_tables_if_necessary;
  check_root_accounts;
  check_for_crashed_tables;
) >&2 &

exit 0

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

Complete MariaDB Configuration Guide

What is debian-start?
Get the original 'debian-start' configuration file for MariaDB from a clean Debian 9 (Stretch) 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/debian-start', this 43-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 9?
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 debian-start 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/debian-start. Make sure to backup your existing configuration first, then restart the MariaDB service to apply the changes.

Is this debian-start file secure for production use?

This is the factory-default configuration that ships with MariaDB on Debian 9 (Stretch). 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 9 (Stretch). 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.