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<p>This article applies to the following UW Web servers:</p>
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<h1>Installing and Starting MySQL</h1>
<h3>Summary</h3>
<p><a href="http://www.mysql.com/">MySQL</a> is a free database server
which is well suited as a backend for small database-driven Web sites
developed in PHP or Perl. While C&C does not support MySQL, these
instructions outline the steps for installing, configuring, and
troubleshooting MySQL as a server on your own account.</p>
<p><b>Notes:</b></p>
<ul>
<li>Please read about <a href="http://www.washington.edu/computing/web/publishing/using-servers.html">running
servers on your own account</a> before getting started with MySQL.
</li><li>MySQL requires a significant
amount of disk space. A new installation may take ~85 MB. You might want to
<a href="https://uwnetid.washington.edu/disk/">check your quota</a>. If your
quota is less than the current maximum you can request additional disk space from
help@cac.
</li></ul>
<p><b>Included on this page:</b></p>
<ul>
<li><a href="#1">Instructions</a>
</li><li><a href="#trouble">Troubleshooting</a>
</li><li><a href="#3">Resources</a>
</li></ul>
<h3><a name="1">Instructions</a></h3>
<p>Setting up a MySQL server on your account is an involved process, but it boils down
to three main acts:
</p><p></p><ul>
<li>Download and place the MySQL program in your home directory (steps 1-6)
</li><li>Configure MySQL's basic settings, create the default databases, and start the MySQL server (steps 7-11)
</li><li>Set up access permissions (steps 12-15)
</li></ul>
<h4>Download and place the MySQL program in your home directory</h4>
<ol>
<a name="step1"></a>
<li> <p>Log in to your Homer or Dante account with <a href="http://www.washington.edu/computing/software/uwick/teraterm">Tera Term</a>
or another terminal emulator.</p>
<a name="step2"></a>
</li><li> <p>Press the O key for Other, then press the W key to drop into the
<a href="http://www.washington.edu/computing/web/publishing/environs.html">Web development environment</a> (Ovid, Vergil or Socrates). Stay in your home directory; at no point during this installation should you <tt>cd</tt> to <tt>public_html</tt>.</p>
<p><b>Tip:</b> Follow the instructions in this article very carefully! A single typo could render the entire installation unsuccessful.</p>
<a name="step3"></a>
</li><li><p>Download <strong>MySQL 4.1.15 for AIX 4.3.3.0 (PowerPC)</strong>. This
is the newest version of MySQL that will work on the UW servers. Use wget or
lynx to download and save the file to your account depending on what host
you're on.</p>
<p>On ovid:<br>
<span class="code">wget
http://www.washington.edu/computing/web/publishing/mysql-standard-4.1.15-ibm-aix4.3.3.0-powerpc.tar.gz</span></p>
<p>On vergil:<br>
<span class="code">lynx -dump
http://www.washington.edu/computing/web/publishing/mysql-standard-4.1.15-ibm-aix4.3.3.0-powerpc.tar.gz
> mysql-standard-4.1.15-ibm-aix4.3.3.0-powerpc.tar.gz</span><br><br>
</p>
<p><b>Note</b>: You can obtain the full source code for this database from the <a href="http://www.mysql.com/">www.mysql.com</a> website.</p>
<a name="step4"></a>
</li><li><p>Unzip the file you just downloaded:</p>
<p><span class="code">gunzip -cd
mysql-standard-4.1.15-ibm-aix4.3.3.0-powerpc.tar.gz | tar xvf - </span></p>
<a name="step5"></a>
</li><li><p>Create a symbolic link to the MySQL directory:</p>
<p><span class="code">ln -s mysql-standard-4.1.15-ibm-aix4.3.3.0-powerpc mysql</span></p>
</li></ol>
<h4>Configure MySQL's basic settings, create the default databases, and start the MySQL server</h4>
<ol start="6">
<a name="step7"></a>
<li><p>Change directories and run the script that sets up default permissions for users of your MySQL server:</p>
<p></p><table class="code">
<tbody><tr><td>
cd mysql<br>
./scripts/mysql_install_db
</td></tr>
</tbody></table>
<p>The script informs you that a root password should be set. You will do this in a few more steps.</p>
<a name="step8"></a>
</li><li>
<p>If you are <a href="http://www.washington.edu/computing/web/publishing/mysql-upgrade.html">upgrading an existing version of MySQL</a>, move back your <tt>.my.cnf</tt> file:</p>
<p><span class="code">mv ~/.my.cnf.temp ~/.my.cnf</span></p>
<p>This requires that you keep the same port number for your MySQL server when installing the new software.</p>
<a name="step9"></a>
</li><li>
<p>If you are installing MySQL for the first time,
get the path to your home directory:</p>
<p><span class="code">echo $HOME</span></p>
<p>Note this down, as you'll need the information in the next step.</p>
<p>Create a new file called <tt>.my.cnf</tt> in your home directory. This file
contains account-specific settings for your MySQL server.</p>
<p><span class="code">pico ~/.my.cnf</span></p>
<p>Copy and paste the following lines into the file, making the substitutions listed below:</p>
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