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→MySQL
=Database=
==MySQL==
=== Installation ===
To get started, [https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Managing_Confined_Services/chap-Managing_Confined_Services-MySQL.html installing MySQL on RHEL] is as simple as <source lang="bash">yum install mysql-server</source>. However, you might get a message that your system is not registered to Red Hat Subscription Management (RHN in the old days), and thus the packages are not visible. To remedy this, you would of course use <code>subscription-manager</code> to register the host with Red Hat Subscription Management.
<source lang="bash">
/usr/bin/mysqladmin -u root password 'new-password'
/usr/bin/mysqladmin -u root -h `hostname` password 'new-password'
# but it's easier and better to run
/usr/bin/mysql_secure_installation
# which will give you the option of removing the test database and removing the anonymous user created by default. This is a must for production servers.
</source>
You can start the MySQL daemon with:
<source lang="bash">cd /usr ; /usr/bin/mysqld_safe &</source>
You can test the MySQL daemon with mysql-test-run.pl
<source lang="bash">cd /usr/mysql-test ; perl mysql-test-run.pl</source>
It's a good idea to setup a local configuration file for the system 'root' user, who can connect to the database server as db user 'root' by default when using the mysql command line client (ie. when you are user 'root' and type 'mysql' at the command line in a bash shell)
<source lang="bash">cat /root/.my.cnf</source>
<source lang="ini">
[client]
user=root
password=giveMeSomeDBgoodne55
</source>
[[Category:Database]]
==PostGres==
==phpMyAdmin==
