[root@resolute ~]# /usr/bin/mysqladmin ping
/usr/bin/mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user 'root'@'localhost' (using password: NO)'
[root@resolute ~]# /usr/bin/mysqladmin -uroot ping
/usr/bin/mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user 'root'@'localhost' (using password: NO)'
[root@resolute ~]# /usr/bin/mysqladmin ping -u NOBODY
mysqld is alive
[root@resolute ~]#