Podemos ver que funcione el Apache correctamente consultando su página de /server-status.

Apache Server Status for host
Server Version: Apache/2.0.52 (Unix) DAV/2 mod_ssl/2.0.52 OpenSSL/0.9.7e mod_jk2/2.0.4
Server Built: Jan 27 2005 14:27:39
--------------------------------------------------------------------------------
Current Time: Monday, 08-Sep-2008 11:19:00 MEST
Restart Time: Friday, 05-Sep-2008 16:18:07 MEST
Parent Server Generation: 15
Server uptime: 2 days 19 hours 53 seconds
Total accesses: 672483 - Total Traffic: 3.4 GB
CPU Usage: u10.17 s12.54 cu0 cs0 - .00941% CPU load
2.79 requests/sec - 14.6 kB/second - 5.2 kB/request
39 requests currently being processed, 10 idle workers
WWKWWWWWKKKWKKK_W_KKWK__KKWKW_WK.WW.W_KKK.W.K_W_._._...........K
K..............................................K................
................................................................
................................................................
Scoreboard Key:
"_" Waiting for Connection, "S" Starting up, "R" Reading Request,
"W" Sending Reply, "K" Keepalive (read), "D" DNS Lookup,
"C" Closing connection, "L" Logging, "G" Gracefully finishing,
"I" Idle cleanup of worker, "." Open slot with no current process
Srv PID Acc M CPU  SS Req Conn Child Slot Client VHost Request
(...)

Para que dicha información aparezca debemos tener configurado Apache con mod_status y tener descomentadas en el httpd.conf las líneas:

<Location /server-status>
     SetHandler server-status
     Order deny,allow
     Deny from all
     #Allow from .example.com
     Allow from 192
 </Location>

Para que muestre toda la información también tendremos que asegurarnos que esté descomentada la línea ExtendedStatus On.