[hstefan@myhost im_magic]$ sudo mysqld --user=hstefan --password=<PASS>
101223  4:05:25 [Note] Plugin 'FEDERATED' is disabled.
101223  4:05:25 [Note] Plugin 'ndbcluster' is disabled.
mysqld: Can't find file: './mysql/plugin.frm' (errno: 13)
101223  4:05:25 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it.
101223  4:05:26  InnoDB: Operating system error number 13 in a file operation.
InnoDB: The error means mysqld does not have the access rights to
InnoDB: the directory.
InnoDB: File name ./ibdata1
InnoDB: File operation call: 'create'.
InnoDB: Cannot continue operation.