Difference between revisions of "Mysql"

__NOTOC__

= MySQL =

== MySQL server with SSL ==

# Create a certificate as described in [[openssl|OpenSSL]] section.

# Add the following under each directive on `/etc/my.cnf`, if the directive doesn't exists it should be created

<pre><nowiki>

[client]

ssl-ca=/etc/pki/openssl/cacert.pem

ssl-cert=/etc/pki/openssl/client-cert.pem

ssl-key=/etc/pki/openssl/client-key.pem

[mysqld]

ssl-ca=/etc/pki/openssl/cacert.pem

ssl-cert=/etc/pki/openssl/server-cert.pem

ssl-key=/etc/pki/openssl/server-key.pem

</nowiki></pre>

# Restart the server

<pre><nowiki>

service mysqld restart

</nowiki></pre>

# Test ssl on Mysql

## Login into MySQL Server

<pre><nowiki>

mysql -u root -p

</nowiki></pre>

# Check SSL Cipher

<pre><nowiki>

mysql> show status like 'Ssl_cipher';

+--------------+-------------------+

| Variable_name| Value |

+--------------+-------------------+

| Ssl_cipher | DHE-RSA-AES256-SHA|

+--------------+-------------------+

1 row in set (0.01 sec)

</nowiki></pre>

# Done

== Master-Master Replication ==

Good links:

* [[http://www.howtoforge.com/mysql5_master_master_replication_debian_etch]]

* [[http://www.neocodesoftware.com/replication]]

== InnoDB ==

When work with this engine don't forget to do a "commit" after any INSERT/UPDATE execution.