./mysqld_safe --skip-grant-tables --socket=/var/lib/mysql/mysql.sock -u root & 했을때 아래 메세지가 나왔습니다.
/var/localhost.localdomain.err
080711 23:38:53 mysqld started
080711 23:38:53 [Warning] Ignoring user change to 'root' because the user was set to 'nobody' earlier on the command line