source: content/databases/mysql/mysql-config.xml@ 9dcba70

<sect2>
<title>Configuring MySQL</title>

<sect3>
<title>Config files</title>

<para><filename>/etc/my.cnf</filename>, <filename>~/.my.cnf</filename></para>

</sect3>

<sect3>
<title>Configuration Information</title>

<para>There are several default configurations file available in
<filename class="directory">/usr/share/mysql</filename> which you can use.</para>

<screen><userinput><command>cp /usr/share/mysql/my-medium.cnf /etc/my.cnf</command>
</userinput></screen>

<para>We can now install a database and change the ownership to the
unpriviledged user and group.</para>

<screen><userinput><command>mysql_install_db
chown -R mysql:mysql /var/lib/mysql</command></userinput></screen>

<para>Further configuration requires that the mysql server be running:</para>

<screen><userinput><command>mysqld_safe --user=mysql 2&gt;&amp;1 &gt;/dev/null &amp;</command>
</userinput></screen>

<para>A default installation, does not setup a password for the administrator.
So here we will login and set one. We strongly suggest changing
'new-password' to your own.</para>

<screen><userinput><command>mysql -uroot mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2 to server version: 3.23.51-log

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql&gt; UPDATE user SET password=password('new-password') WHERE user='root';
Query OK, 2 rows affected (0.00 sec)
Rows matched: 2  Changed: 2  Warnings: 0

mysql&gt; FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)

mysql&gt; EXIT;
bye
</command></userinput></screen>

<para>Now that we are done with the configuration of the server, we can
shut it down.</para>

<screen><userinput><command>kill `pidof -x mysqld_safe mysqld`</command></userinput></screen>


<sect4>
<title>MySQL init.d script</title>

<para>To automate the running of MySQL, use the following command to create
the init.d script:</para>

<screen><userinput><command>cat &gt; /etc/rc.d/init.d/mysql &lt;&lt; "EOF"
#!/bin/bash
# Begin $rc_base/init.d/

# Based on sysklogd script from LFS-3.1 and earlier.
# Rewritten by Gerard Beekmans  - gerard@linuxfromscratch.org

source /etc/sysconfig/rc
source $rc_functions

case "$1" in
        start)
                echo "Starting MySQL daemon..."
                /usr/bin/mysqld_safe --user=mysql 2&gt;&amp;1 &gt;/dev/null &amp;
                evaluate_retval
                ;;

        stop)
                echo "Stopping MySQL daemon..."
                killproc mysqld
                ;;

        restart)
                $0 stop
                sleep 1
                $0 start
                ;;

        status)
                statusproc /usr/sbin/mysqld
                ;;

        *)
                echo "Usage: $0 {start|stop|restart|status}"
                exit 1
                ;;
esac

# End $rc_base/init.d/
EOF
chmod 755 /etc/rc.d/init.d/mysql</command></userinput></screen>

<para>Create the symbolic links to this file in the relevant
<filename class="directory">rc.d</filename> directory
with the following commands:</para>

<screen><userinput><command>cd /etc/rc.d/init.d &amp;&amp;
ln -sf ../init.d/mysql ../rc0.d/K26mysql &amp;&amp;
ln -sf ../init.d/mysql ../rc1.d/K26mysql &amp;&amp;
ln -sf ../init.d/mysql ../rc2.d/K26mysql &amp;&amp;
ln -sf ../init.d/mysql ../rc3.d/S34mysql &amp;&amp;
ln -sf ../init.d/mysql ../rc4.d/S34mysql &amp;&amp;
ln -sf ../init.d/mysql ../rc5.d/S34mysql &amp;&amp;
ln -sf ../init.d/mysql ../rc6.d/K26mysql</command></userinput></screen>

</sect4>

</sect3>

</sect2>