title: request tracker fails with mysql configuration error
body: <p>I am trying to install request tracker.</p>
  
  <p>the make testdeps says all the dependencies are present.</p>
  
  <p>how ever the problem is rt is unable to connect to mysql.</p>
  
  <pre><code>[root@128 rt-4.0.6]# make initialize-database
  /usr/bin/perl -I/opt/rt4/local/lib -I/opt/rt4/lib sbin/rt-setup-database --action init --prompt-for-dba-password
  In order to create or update your RT database, this script needs to connect to your  mysql instance on localhost as root
  Password:
  Working with:
  Type:       mysql
  Host:       localhost
  Name:       rt4
  User:       rt_user
  DBA:        root
  Failed to connect to dbi:mysql:;host=localhost as user 'root': Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)make: *** [initialize-database] Error 255
  
  [root@128 rt-4.0.6]# mysql
  ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
  </code></pre>
  
  <p>I am starting to think mysql is not correctly configured. The following commands wont work.</p>
  
  <pre><code>Service mysqld status 
  /etc/init.d/mysqld restart
  </code></pre>
  
  <p>there is no file /var/lib/mysql/mysql.sock.</p>
  
  <p>Please let me know whet the problem is.</p>