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Difference between revisions of "Package:MySQL"
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|Homepage=http://www.mysql.com/ | |Homepage=http://www.mysql.com/ | ||
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MySQL is the M in the lamp/lemp/llmp stack. It is a popular & common database that accepts SQL statements. | {{PageNeedsUpdates}} | ||
MySQL is the M in the lamp/lemp/llmp stack. It is a popular, & common database that accepts SQL statements. {{package|dev-db/mariadb}} & {{package|dev-db/percona-server}} are drop in replacements for MySQL. | |||
== Installation == | === Installation === | ||
{{console|body=###i## emerge mysql}} | |||
=== First Run === | ==== First Run ==== | ||
MySQL requires configuration upon instillation. | MySQL requires configuration upon instillation. | ||
To deploy MySQL: | To deploy MySQL: | ||
{{console|body=###i## emerge --config dev-db/mysql}} | |||
=== Init === | ==== Init ==== | ||
To start mysql: | |||
{{console|body=###i## rc-service mysql start}} | |||
To start upon boot: | |||
{{console|body=###i## rc-update add mysql default}} | |||
=== Usage === | |||
To use mysql you will need to run MySQL as the funtoo root user, logging in as the mysql database root user. The system root user is not the same as the database root user, and passwords for both should be different. | |||
{{console|body=###i## mysql -u root -p | |||
Enter password: | |||
mysql> | |||
}} | |||
mysql is now blinking at you ready for SQL statements. | |||
Root use is discouraged, for every database you require, create a user, and a database specific for the application, then allow the user access with as stripped down as possible permissions. We will use phpBB examples of creating a phpBB user & database. | |||
{{console|body=###i## mysql -u root -p | |||
Enter password: | |||
mysql> ##i##CREATE USER 'phpbb'@'localhost' IDENTIFIED BY 'changeme'; | |||
mysql> ##i##CREATE DATABASE IF NOT EXISTS `phpbb` DEFAULT CHARACTER SET `utf8` COLLATE `utf8_unicode_ci`; | |||
mysql> ##i##GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER ON `phpbb`.* TO 'phpbb'@'localhost' IDENTIFIED BY 'changeme'; | |||
mysql> ##i##\q | |||
}} | |||
=== Secure === | === Secure === | ||
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to lock down your MySQL install: | to lock down your MySQL install: | ||
{{console|body=###i## mysql_secure_installation}} | |||
==== Logging ==== | ==== Logging ==== | ||
| Line 35: | Line 54: | ||
To remove the history file: | To remove the history file: | ||
{{console|body=###i## rm /root/.mysql_history}} | |||
To automatically remove future history: | To automatically remove future history: | ||
{{console|body=###i## ln -s /dev/null /root/.mysql_history}} | |||
== ZFS == | === ZFS === | ||
If you are a zfs add the following to the mysql configuration file (/etc/mysql/my.cnf). | If you are a zfs add the following to the mysql configuration file (/etc/mysql/my.cnf). | ||
{{console|body=###i## echo "innodb_use_native_aio = 0" >> /etc/mysql/my.cnf}} | |||
== Media == | === Media === | ||
=== Programming === | ==== Programming ==== | ||
{{#widget:YouTube|id=yPu6qV5byu4}} | {{#widget:YouTube|id=yPu6qV5byu4}} | ||
{{EbuildFooter}} | {{EbuildFooter}} | ||
Latest revision as of 04:50, April 10, 2015
MySQL
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MySQL is the M in the lamp/lemp/llmp stack. It is a popular, & common database that accepts SQL statements. dev-db/mariadb & No results are drop in replacements for MySQL.
Installation
root # emerge mysql
First Run
MySQL requires configuration upon instillation.
To deploy MySQL:
root # emerge --config dev-db/mysql
Init
To start mysql:
root # rc-service mysql start
To start upon boot:
root # rc-update add mysql default
Usage
To use mysql you will need to run MySQL as the funtoo root user, logging in as the mysql database root user. The system root user is not the same as the database root user, and passwords for both should be different.
root # mysql -u root -p Enter password: mysql>
mysql is now blinking at you ready for SQL statements.
Root use is discouraged, for every database you require, create a user, and a database specific for the application, then allow the user access with as stripped down as possible permissions. We will use phpBB examples of creating a phpBB user & database.
root # mysql -u root -p Enter password: mysql> CREATE USER 'phpbb'@'localhost' IDENTIFIED BY 'changeme'; mysql> CREATE DATABASE IF NOT EXISTS `phpbb` DEFAULT CHARACTER SET `utf8` COLLATE `utf8_unicode_ci`; mysql> GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER ON `phpbb`.* TO 'phpbb'@'localhost' IDENTIFIED BY 'changeme'; mysql> \q
Secure
Lockdown
MySQL is by default insecure.
to lock down your MySQL install:
root # mysql_secure_installation
Logging
By default MySQL logs every action, including leaving plain text passwords in its history file.
To remove the history file:
root # rm /root/.mysql_history
To automatically remove future history:
root # ln -s /dev/null /root/.mysql_history
ZFS
If you are a zfs add the following to the mysql configuration file (/etc/mysql/my.cnf).
root # echo "innodb_use_native_aio = 0" >> /etc/mysql/my.cnf
Media
Programming