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a4be499f61
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@1292 af4574ff-66df-0310-9fd7-8a98e5e911e0
124 lines
3.8 KiB
XML
124 lines
3.8 KiB
XML
<sect2>
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<title>Configuring <application>My<acronym>SQL</acronym></application></title>
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<sect3>
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<title>Config files</title>
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<para><filename>/etc/my.cnf</filename>, <filename>~/.my.cnf</filename></para>
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</sect3>
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<sect3>
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<title>Configuration Information</title>
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<para>There are several default configurations file available in
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<filename class="directory">/usr/share/mysql</filename> which you can use.</para>
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<screen><userinput><command>cp /usr/share/mysql/my-medium.cnf /etc/my.cnf</command>
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</userinput></screen>
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<para>We can now install a database and change the ownership to the
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unprivileged user and group.</para>
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<screen><userinput><command>mysql_install_db
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chown -R mysql:mysql /var/lib/mysql</command></userinput></screen>
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<para>Further configuration requires that the mysql server be running:</para>
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<screen><userinput><command>mysqld_safe --user=mysql 2>&1 >/dev/null &</command>
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</userinput></screen>
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<para>A default installation does not setup a password for the administrator.
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So here we will login and set one. We strongly suggest changing
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'new-password' to your own.</para>
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<screen><userinput><command>mysql -uroot mysql</command></userinput>
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Welcome to the MySQL monitor. Commands end with ; or \g.
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Your MySQL connection id is 2 to server version: 3.23.51-log
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Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
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<prompt>mysql></prompt> <userinput><command>UPDATE user SET password=password('<replaceable>new-password</replaceable>') WHERE user='root';</command></userinput>
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Query OK, 2 rows affected (0.00 sec)
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Rows matched: 2 Changed: 2 Warnings: 0
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<prompt>mysql></prompt> <userinput><command>FLUSH PRIVILEGES;</command></userinput>
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Query OK, 0 rows affected (0.00 sec)
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<prompt>mysql></prompt> <userinput><command>EXIT;</command></userinput>
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bye
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</screen>
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<para>Now that we are done with the configuration of the server, we can
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shut it down.</para>
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<screen><userinput><command>kill `pidof -x mysqld_safe mysqld`</command></userinput></screen>
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<sect4>
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<title><application>My<acronym>SQL</acronym></application> init.d script</title>
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<para>To automate the running of <application>My<acronym>SQL</acronym></application>, use the following command to create
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the init.d script:</para>
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<screen><userinput><command>cat > /etc/rc.d/init.d/mysql << "EOF"</command>
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#!/bin/bash
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# Begin $rc_base/init.d/
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# Based on sysklogd script from LFS-3.1 and earlier.
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# Rewritten by Gerard Beekmans - gerard@linuxfromscratch.org
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source /etc/sysconfig/rc
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source $rc_functions
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case "$1" in
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start)
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echo "Starting MySQL daemon..."
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/usr/bin/mysqld_safe --user=mysql 2>&1 >/dev/null &
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evaluate_retval
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;;
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stop)
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echo "Stopping MySQL daemon..."
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killproc mysqld
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;;
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restart)
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$0 stop
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sleep 1
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$0 start
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;;
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status)
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statusproc /usr/sbin/mysqld
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;;
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*)
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echo "Usage: $0 {start|stop|restart|status}"
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exit 1
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;;
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esac
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# End $rc_base/init.d/
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<command>EOF
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chmod 755 /etc/rc.d/init.d/mysql</command></userinput></screen>
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<para>Create the symbolic links to this file in the relevant
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<filename class="directory">rc.d</filename> directory
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with the following commands:</para>
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<screen><userinput><command>cd /etc/rc.d/init.d &&
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ln -sf ../init.d/mysql ../rc0.d/K26mysql &&
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ln -sf ../init.d/mysql ../rc1.d/K26mysql &&
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ln -sf ../init.d/mysql ../rc2.d/K26mysql &&
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ln -sf ../init.d/mysql ../rc3.d/S34mysql &&
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ln -sf ../init.d/mysql ../rc4.d/S34mysql &&
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ln -sf ../init.d/mysql ../rc5.d/S34mysql &&
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ln -sf ../init.d/mysql ../rc6.d/K26mysql</command></userinput></screen>
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</sect4>
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</sect3>
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</sect2>
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