Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
Error!: can't connect to database
fatal_error(array (
  0 => 'can\'t connect to database',
)) at /var/www/html/include/db/omnibiomarker.db.inc.php:14
connect(array (
)) at /var/www/html/include/db/probe.db.inc.php:29
get(array (
  0 => '',
)) at /var/www/html/check_sample_data.php:90