Problem in starting nagios

[nag ios]

I have installed the plugins and tried but in the browser when typed

http://localhost/nagios/

it didnt work , getting the error in browser as

Not Found

The requested URL /nagios was not found on this server.
------------------------------
Apache/2.2.17 (Ubuntu) Server at localhost Port 80

On Sun, Jun 19, 2011 at 1:55 PM, Kumar, Ashish <xml.devel at gmail.com> wrote:

>
> On 19 June 2011 13:43, nag ios <nagiostool at gmail.com> wrote:
>
>> When i ran this command
>> sudo /usr/local/nagios/bin/nagios  /usr/local/nagios/etc/nagios.cfg -d &
>>
>> I got the following output is anything wrong?????
>>
>> [1] 6369
>> krishna at krishna:/usr/local/nagios/etc$
>> Nagios Core 3.2.3
>> Copyright (c) 2009-2010 Nagios Core Development Team and Community
>> Contributors
>> Copyright (c) 1999-2009 Ethan Galstad
>> Last Modified: 10-03-2010
>> License: GPL
>>
>> Website: http://www.nagios.org
>> Nagios 3.2.3 starting... (PID=6370)
>> Local time is Sun Jun 19 13:35:15 IST 2011
>> sh: /usr/local/nagios/libexec/check_ping: not found
>> Warning: Return code of 127 for check of host 'localhost' was out of
>> bounds. Make sure the plugin you're trying to run actually exists.
>> sh: /usr/local/nagios/libexec/check_load: not found
>> Warning: Return code of 127 for check of service 'Current Load' on host
>> 'localhost' was out of bounds. Make sure the plugin you're trying to run
>> actually exists.
>>
>>
>
>  Smells like you haven't installed nagios-plugins pack.
> http://nagios.org/download/plugins
>
>
>
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