Open up your httpd.conf and add the following lines at the bottom:

<Location /server-status>
SetHandler server-status
Order deny,allow
Deny from all
Allow from 127.0.0.1
</Location>

Restart the apache --> # service httpd restart

Then type 'apachectl fullstatus |grep PID |more' (no quotes)
or
Go to http://your.hostname.com/server-status/