MySQL /etc/my.cnf
Compatibility
File Info
- Size
- 27 lines
- MD5
- fe2f3d6d19d68dd1363a1dfc7b757c95
- SHA256
- 9c8b66aec85e40c595bd1b3324db589622aed377cc56bb69d237baeba4fcb302
Quick Commands
curl https://exampleconfig.com/api/v1/config/original/fe2f3d6d19d68dd1363a1dfc7b757c95?hint=my.cnf
wget -O my.cnf https://exampleconfig.com/api/v1/config/original/fe2f3d6d19d68dd1363a1dfc7b757c95?hint=my.cnf
# For advice on how to change settings please see # http://dev.mysql.com/doc/refman/8.4/en/server-configuration-defaults.html [mysqld] # # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size = 128M # # Remove the leading "# " to disable binary logging # Binary logging captures changes between backups and is enabled by # default. It's default setting is log_bin=binlog # disable_log_bin # # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid
How to 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
Configuration File Location
Complete MySQL Configuration Guide
- What is my.cnf?
- Access the authentic 'my.cnf' (my.cnf) configuration file from a fresh MySQL installation on Red Hat Enterprise Linux 9 (Plow). This is the exact default configuration that ships with the official MySQL package, essential for database recovery, performance tuning, and understanding baseline settings.
- Technical Details
- Located at '/etc/my.cnf', this 27-line file controls InnoDB buffer pool, query cache, connection limits, binary logging, and replication settings. Powers millions of databases worldwide, from small applications to enterprise data warehouses processing terabytes daily.
- Common Configuration Question
- How do you configure MySQL for optimal performance, security, and high availability on Red Hat Enterprise Linux 9?
- Why Use This Configuration?
- This factory-default configuration includes memory optimization, security hardening, and performance tuning parameters. Critical for database administrators, backend developers, and DevOps engineers managing production MySQL deployments.
Frequently Asked Questions
When should I use this my.cnf file?
Use this original configuration file when you need to restore MySQL 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 MySQL to default settings?
Download this file and replace your current configuration at /etc/my.cnf. Make sure to backup your existing configuration first, then restart the MySQL service to apply the changes.
Is this my.cnf file secure for production use?
This is the factory-default configuration that ships with MySQL on Red Hat Enterprise Linux 9 (Plow). 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 Red Hat Enterprise Linux 9 (Plow). 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 MySQL 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.
