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Unable to view MRTG in Nagios

Posted: Mon Apr 06, 2015 1:29 pm
by sirgumby1
I am running Nagios Core version 4.1.0rc1 on Ubuntu 14.10. I have installed Nagios and all prerequisites. I am able to monitor hosts using PING but it is just an up/down monitor.

My issue is regarding MRTG and viewing the information pulled from SNMP. I cannot view the stats in nagios. When I navigate to the Nagios server where I have MRTG installed (nagios/mrtg), I get the following error: You don't have permission to access /mrtg on this server.

I have edited the apache2.conf file as follows:
Alias /mrtg "var/www/mrtg/"
<Directory "/var/www/mrtg/">
Options Indexes FollowSymLinks
AllowOverride None
Require all granted
</Directory>

Below is the error.log that I receive from Apache regarding the errors due to "server configuration"... I receive the error each time I try to connect.
/etc/apache2/var
[Mon Apr 06 11:14:41.386944 2015] [authz_core:error] [pid 21180] [client <IP address of client>:60500] AH01630: client denied by server configuration: /etc/apache2/var
[Mon Apr 06 11:15:57.373903 2015] [authz_core:error] [pid 21181] [client 127.0.0.1:59606] AH01630: client denied by server configuration: /etc/apache2/var
[Mon Apr 06 11:17:14.395091 2015] [authz_core:error] [pid 21183] [client 127.0.0.1:58376] AH01630: client denied by server configuration: /etc/apache2/var
[Mon Apr 06 11:20:53.204280 2015] [mpm_prefork:notice] [pid 21175] AH00169: caught SIGTERM, shutting down
[Mon Apr 06 11:20:54.236487 2015] [mpm_prefork:notice] [pid 21522] AH00163: Apache/2.4.10 (Ubuntu) PHP/5.5.12-2ubuntu4.3 configured -- resuming normal operations
[Mon Apr 06 11:20:54.236530 2015] [core:notice] [pid 21522] AH00094: Command line: '/usr/sbin/apache2'
[Mon Apr 06 11:23:46.702305 2015] [authz_core:error] [pid 21527] [client <IP address of client>:60605]

Does anyone have any idea how I can make this viewable so I can see the graphs of my routers/switches?

This is my first experience with Nagios, I apologize for my ignorance before hand and appreciate any help anyone can give!

Re: Unable to view MRTG in Nagios

Posted: Mon Apr 06, 2015 6:29 pm
by Box293
Is SELinux enabled?

Code: Select all

getenforce
If it is, you can set it to permissive:

Code: Select all

sed -i 's/SELINUX=enforcing/SELINUX=permissive/g' /etc/selinux/config
setenforce 0