title: Drupal Error PDOException: SQLSTATE[HY000] [2002] Can't connect to local MySQL
body: <p>When i try to access to the content administrator drupal show me the error. </p>
  
  <p><code>PDOException: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) in lock_may_be_available() (line 167 of /home/..../public_html/page/includes/lock.inc).</code></p>
  
  <p>I check the Disk Space, if the mysql engine is up. any one know to fix that bug.</p>
  
  <p>I read so many post and only say me that error is beacouse the DB is goes to the hell, jajaja. but i dont know if exist other way to repair the db without truncate it</p>