check_http 404 not found

nickanderson82 · Post by **nickanderson82** » Fri Sep 29, 2017 2:35 pm

Nagios server cfg file is:
# Define host for the local machine

define host{
use linux-server ; Name of host template to use
; This host definition will inherit all variables that are defined
; in (or inherited by) the linux-server host template definition.
host_name xxx.xxx.com
alias xxx.xxx.com
address xxx.xxx.com
}

###############################################################################
###############################################################################
#
# SERVICE DEFINITIONS
#
###############################################################################
###############################################################################

# Define a service to "ping" the local machine

define service{
use generic-service ; Name of service template to use
host_name xxx.xxx.com
service_description PING
check_command check_ping!100.0,20%!500.0,60% -4
}

# Define a service to check HTTP on the local machine.
# Disable notifications for this service by default, as not all users may have HTTP enabled.

define service{
use generic-service ; Name of service template to use
host_name xxx.xxx.com
service_description HTTP
check_command check_http
notifications_enabled 0
}

-------

Nagios status information displays warning:
HTTP WARNING: HTTP/1.1 404 Not Found - 492 bytes in 5.007 second response time

I am not sure what the check_command edit should be or if i need to look elsewhere. The ping works as intended

kyang · Post by **kyang** » Fri Sep 29, 2017 2:42 pm

Try doing this

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vi /var/www/html/index.html

in the index.html add this

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<HTML>
<BODY>
Nagios Server
</BODY>
</HTML>

save the file

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:wq

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chmod 755 /var/www/html/index.html
chown apache:apache /var/www/html/index.html
service httpd restart

Does this solve the http error on localhost?

nickanderson82 · Post by **nickanderson82** » Fri Sep 29, 2017 2:50 pm

What exactly is that changing? I don't want to affect something that doesn't need to be changed

That HTTP WARNING: HTTP/1.1 404 Not Found - 492 bytes in 5.007 second response time
/\/\/\ That is listed in the status on my nagios page

Its like the check_command for check_http is wrong in my cfg file

dwhitfield · Post by **dwhitfield** » Fri Sep 29, 2017 2:52 pm

We'd need to see how the command is defined, probably in the commands.cfg.

nickanderson82 · Post by **nickanderson82** » Fri Sep 29, 2017 2:57 pm

# 'check_http' command definition
define command{
command_name check_http
command_line $USER1$/check_http -I $HOSTADDRESS$ $ARG1$
}

dwhitfield · Post by **dwhitfield** » Fri Sep 29, 2017 3:29 pm

Please run /usr/local/nagios/libexec/check_http xxx.xxx.com and post the output here in a code block.

Also, can you PM me the URL so I can test it?

nickanderson82 · Post by **nickanderson82** » Fri Sep 29, 2017 3:36 pm

I pm-ed the url

but I get
HTTP WARNING: HTTP/1.1 404 Not Found - 492 bytes in 0.007 second response time |time=0.006990s;;;0.000000 size=492B;;;0

nickanderson82 · Post by **nickanderson82** » Mon Oct 02, 2017 8:36 am

Any ideas?

kyang · Post by **kyang** » Mon Oct 02, 2017 10:53 am

@dwhitfield has informed me with your url.

It seems to work when using the -H for host address instead of -I for IP address.

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/usr/local/nagios/libexec/check_http -H xxx.xxx.com

Output

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HTTP OK: HTTP/1.1 302 Found - 501 bytes in 0.182 second response time |time=0.182388s;;;0.000000 size=501B;;;0

nickanderson82 · Post by **nickanderson82** » Mon Oct 02, 2017 11:46 am

Should I change it to:
# 'check_http' command definition
define command{
command_name check_http
command_line $USER1$/check_http -H $HOSTADDRESS$ $ARG1$
}

Instead of the -I

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