Nagios Support Forum

Posted: **Tue Jan 19, 2016 10:15 am**

hello i hope im in the correct forum.
so i have installd Nagios Core 4.1.1
on CentOS release 6.7 VM .

my issue is this :
monitoring Bandwidth Usage by : in the file /usr/local/nagios/etc/objects/switch.cfg

"
# Monitor bandwidth via MRTG logs

define service{
use generic-service ; Inherit values from a template
host_name firewalls
service_description Port 9 Bandwidth Usage
check_command check_local_mrtgtraf!/var/www/mrtg/172.10.170.99_2.log!AVG!1000000,1000000!5000000,5000000!10
}
"

origenly the check_local_mrtgtraf log file was to : /www/

and i get a yellow warning : MRTG data has expired (221 minutes old)
my cron jobs : (after trying endless other forums ..)

*/5 * * * * LANG=C /usr/bin/mrtg /etc/mrtg/mymrtg.cfg >/dev/null 2>&1
*/5 * * * * LANG=C LC_ALL=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg --lock-file /var/lock/mrtg/mrtg_l --confcache-file /var/lib/mrtg/mrtg.ok
*/5 * * * * /usr/bin/env LANG=C /usr/bin/mrtg /etc/mrtg/mymrtg.cfg –logging /var/log/mrtg.log
*/5 * * * * /usr/bin/env LANG=C /usr/bin/mrtg /etc/httpd/conf/mrtg.cfg --logging /var/log/mrtg.log

my mrtg.log :
2016-01-19 12:35:01 -- Started mrtg with config '/etc/httpd/conf/mrtg.cfg'
2016-01-19 12:40:02 -- Started mrtg with config '/etc/httpd/conf/mrtg.cfg'
2016-01-19 12:45:01 -- Started mrtg with config '/etc/httpd/conf/mrtg.cfg'
2016-01-19 12:50:02 -- Started mrtg with config '/etc/httpd/conf/mrtg.cfg'
2016-01-19 12:55:01 -- Started mrtg with config '/etc/httpd/conf/mrtg.cfg'
2016-01-19 13:00:02 -- Started mrtg with config '/etc/httpd/conf/mrtg.cfg'
2016-01-19 13:05:01 -- Started mrtg with config '/etc/httpd/conf/mrtg.cfg'
2016-01-19 13:10:01 -- Started mrtg with config '/etc/httpd/conf/mrtg.cfg'
2016-01-19 13:15:02 -- Started mrtg with config '/etc/httpd/conf/mrtg.cfg'
2016-01-19 13:20:01 -- Started mrtg with config '/etc/httpd/conf/mrtg.cfg'

last time 2016--01-19 13:20:01 -- Started mrtg with config '/etc/httpd/conf/mrtg.cfg was 4 hours ago, maybe it relatd.

please help!

Regards,

Posted: **Tue Jan 19, 2016 5:47 pm**

Is there any errors in the /var/log/cron log file?
Can you login to the server and run the following commands and post the output?

Code: Select all

LANG=C /usr/bin/mrtg /etc/mrtg/mymrtg.cfg
LANG=C LC_ALL=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg --lock-file /var/lock/mrtg/mrtg_l
LANG=C /usr/bin/mrtg /etc/mrtg/mymrtg.cfg
LANG=C /usr/bin/mrtg /etc/httpd/conf/mrtg.cfg

Posted: **Wed Jan 20, 2016 2:47 am**

Thanks for the fast replay!

my cron log shows :
Jan 20 09:35:01 localhost CROND[11936]: (root) CMD (/usr/bin/env LANG=C /usr/bin/mrtg /etc/httpd/conf/mrtg.cfg --logging /var/log/mrtg.log)
Jan 20 09:40:01 localhost CROND[11975]: (root) CMD (LANG=C /usr/bin/mrtg /etc/mrtg/mymrtg.cfg >/dev/null 2>&1)
Jan 20 09:40:01 localhost CROND[11976]: (root) CMD (/usr/bin/env LANG=C /usr/bin/mrtg /etc/mrtg/mymrtg.cfg \342\200\223logging /var/log/mrtg.log)
Jan 20 09:40:01 localhost CROND[11977]: (root) CMD (/usr/bin/env LANG=C /usr/bin/mrtg /etc/httpd/conf/mrtg.cfg --logging /var/log/mrtg.log)
Jan 20 09:40:01 localhost CROND[11978]: (root) CMD (LANG=C LC_ALL=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg --lock-file /var/lock/mrtg/mrtg_l --confcache-file /var/lib/mrtg/mrtg.ok)
Jan 20 09:40:01 localhost CROND[11980]: (root) CMD (/usr/lib64/sa/sa1 1 1)
Jan 20 09:45:01 localhost CROND[12019]: (root) CMD (LANG=C LC_ALL=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg --lock-file /var/lock/mrtg/mrtg_l --confcache-file /var/lib/mrtg/mrtg.ok)
Jan 20 09:45:01 localhost CROND[12020]: (root) CMD (/usr/bin/env LANG=C /usr/bin/mrtg /etc/mrtg/mymrtg.cfg \342\200\223logging /var/log/mrtg.log)
Jan 20 09:45:01 localhost CROND[12021]: (root) CMD (LANG=C /usr/bin/mrtg /etc/mrtg/mymrtg.cfg >/dev/null 2>&1)
Jan 20 09:45:01 localhost CROND[12022]: (root) CMD (/usr/bin/env LANG=C /usr/bin/mrtg /etc/httpd/conf/mrtg.cfg --logging /var/log/mrtg.log)

and all the commend you add didnt gave any output :
root@localhost: ~#LANG=C /usr/bin/mrtg /etc/mrtg/mymrtg.cfg
root@localhost: ~#LANG=C LC_ALL=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg --lock-file /var/lock/mrtg/mrtg_l
root@localhost: ~#LANG=C /usr/bin/mrtg /etc/mrtg/mymrtg.cfg
root@localhost: ~#LANG=C /usr/bin/mrtg /etc/httpd/conf/mrtg.cfg

Posted: **Wed Jan 20, 2016 5:50 pm**

Can you verify the time on your machine and post the result?

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grep 'date.timezone' /etc/php.ini
date

Posted: **Thu Jan 21, 2016 6:25 am**

yes -

root@localhost: ~#grep 'date.timezone' /etc/php.ini
; http://www.php.net/manual/en/datetime.c ... e.timezone
;date.timezone =
root@localhost: ~#date
Thu Jan 21 13:22:43 EST 2016

i even set it now to Asia\Jerusalem and still :

root@localhost: ~#grep 'date.timezone' /etc/php.ini
; http://www.php.net/manual/en/datetime.c ... e.timezone
date.timezone = Asia/Jerusalem

and restarting http + nagios,
but still : MRTG data has expired.

Posted: **Thu Jan 21, 2016 5:10 pm**

Are the file in this folder getting updated?

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/var/www/mrtg/

You said that the folder was in /www/ did you edit the config files to point to the new folder?

Can you login as root to the server and run the following and post the output here?

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ls -l /var
ls -l /var/www
ls -l /var/www/mrtg

Posted: **Wed Jan 27, 2016 4:09 am**

im sorry the file wanst www i didnt write the whole path for some reason..
the original file he was taking the settings from was : /var/lib/mrtg/

and there was no log file there only the : mrtg.ok
so as i checked i saw all the logs are in /var/www/mrtg/

so i redirected it to there and from red alarm it became yellow - working but not updated.
the error that was before when i get the red alarm was : "cant find log file"

as to your requst :

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root@localhost: mrtg#ls -l /var
total 76
drwxr-xr-x.  2 root root 4096 Jan 18 10:25 account
drwxr-xr-x. 14 root root 4096 Jan 18 11:44 cache
drwxr-xr-x.  2 root root 4096 Jan 19 03:20 crash
drwxr-xr-x.  2 root root 4096 Nov 22  2013 cvs
drwxr-xr-x.  3 root root 4096 Jan 18 10:25 db
drwxr-xr-x.  3 root root 4096 Jan 18 10:25 empty
drwxr-xr-x.  2 root root 4096 Sep 23  2011 games
drwxr-xr-x. 31 root root 4096 Jan 21 14:06 lib
drwxr-xr-x.  2 root root 4096 Sep 23  2011 local
drwxrwxr-x.  6 root lock 4096 Jan 27 04:02 lock
drwxr-xr-x. 11 root root 4096 Jan 27 04:02 log
lrwxrwxrwx.  1 root root   10 Jan 18 10:22 mail -> spool/mail
drwxr-xr-x.  2 root root 4096 Sep 23  2011 nis
drwxr-xr-x.  2 root root 4096 Sep 23  2011 opt
drwxr-xr-x.  2 root root 4096 Sep 23  2011 preserve
drwxr-xr-x. 23 root root 4096 Jan 27 04:02 run
drwxr-xr-x. 13 root root 4096 Jan 20 16:32 spool
drwxrwxrwt.  2 root root 4096 Jan 21 13:48 tmp
drwxr-xr-x.  7 root root 4096 Jan 19 03:33 www
drwxr-xr-x.  3 root root 4096 Jan 18 10:24 yp

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root@localhost: mrtg#ls -l /var/www
total 20
drwxr-xr-x. 2 root   root   4096 Dec 15 10:51 cgi-bin
drwxr-xr-x. 3 root   root   4096 Jan 18 11:44 error
drwxr-xr-x. 3 root   root   4096 Jan 19 14:32 html
drwxr-xr-x. 3 root   root   4096 Jan 18 11:45 icons
drwxr-xr-x. 2 nagios nagios 4096 Jan 19 11:36 mrtg

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root@localhost: mrtg#ls -l /var/www/mrtg
total 288
-rw-r--r--. 1 nagios nagios  1511 Jan 19 11:36 172.10.170.99_26-day.png
-rw-r--r--. 1 nagios nagios  6376 Jan 19 11:36 172.10.170.99_26.html
-rw-r--r--. 1 nagios nagios 48217 Jan 19 11:36 172.10.170.99_26.log
-rw-r--r--. 1 nagios nagios  1367 Jan 19 11:35 172.10.170.99_26-month.png
-rw-r--r--. 1 nagios nagios 48213 Jan 19 11:35 172.10.170.99_26.old
-rw-r--r--. 1 nagios nagios  1455 Jan 19 11:35 172.10.170.99_26-week.png
-rw-r--r--. 1 nagios nagios  1742 Jan 19 04:30 172.10.170.99_26-year.png
-rw-r--r--. 1 nagios nagios  1511 Jan 19 11:36 172.10.170.99_2-day.png
-rw-r--r--. 1 nagios nagios  6414 Jan 19 11:36 172.10.170.99_2.html
-rw-r--r--. 1 nagios nagios 48237 Jan 19 11:36 172.10.170.99_2.log
-rw-r--r--. 1 nagios nagios  1367 Jan 19 11:35 172.10.170.99_2-month.png
-rw-r--r--. 1 nagios nagios 48217 Jan 19 11:35 172.10.170.99_2.old
-rw-r--r--. 1 nagios nagios  1455 Jan 19 11:35 172.10.170.99_2-week.png
-rw-r--r--. 1 nagios nagios  1742 Jan 19 04:30 172.10.170.99_2-year.png
-rw-r--r--. 1 nagios nagios   350 Nov 12  2012 favicon.ico
-rw-r--r--. 1 nagios nagios  2772 Jan 19 15:36 index.html
-rw-r--r--. 1 nagios nagios   343 Nov 12  2012 mrtg-l.gif
-rw-r--r--. 1 nagios nagios   538 Nov 12  2012 mrtg-l.png
-rw-r--r--. 1 nagios nagios  1144 Nov 12  2012 mrtg-m.gif
-rw-r--r--. 1 nagios nagios   414 Nov 12  2012 mrtg-m.png
-rw-r--r--. 1 nagios nagios  1779 Nov 12  2012 mrtg-r.gif
-rw-r--r--. 1 nagios nagios  1759 Nov 12  2012 mrtg-r.png
-rw-r--r--. 1 nagios nagios  4696 Nov 12  2012 mrtg-ti.gif
-rw-r--r--. 1 nagios nagios  4293 Nov 12  2012 mrtg-ti.png

thank you!

Posted: **Wed Jan 27, 2016 6:13 pm**

What do you have defined for the check_local_mrtgtraf command? What's the status of the getenforce command? SELinux might be preventing MRTG from reading things.

Posted: **Thu Jan 28, 2016 3:02 am**

Hi,

this is from command.cfg :

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# 'check_local_mrtgtraf' command definition
define command{
        command_name    check_local_mrtgtraf
        command_line    $USER1$/check_mrtgtraf -F $ARG1$ -a $ARG2$ -w $ARG3$ -c $ARG4$ -e $ARG5$
        }

switch.cfg :

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define service{
        use                     generic-service ; Inherit values from a template
        host_name               Fortigate100D
        service_description     Port 9 Bandwidth Usage
        check_command           check_local_mrtgtraf!/var/www/mrtg/172.10.170.99_2.log!AVG!1000000,1000000!5000000,5000000!10
        }

where do i find getenforce ? i dont see it in command.cfg..

SELinux is disabled :
/etc/selinux/config :

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# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#     enforcing - SELinux security policy is enforced.
#     permissive - SELinux prints warnings instead of enforcing.
#     disabled - No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of these two values:
#     targeted - Targeted processes are protected,
#     mls - Multi Level Security protection.
SELINUXTYPE=targeted
setenforce 0

Posted: **Thu Jan 28, 2016 4:14 pm**

Can you post the following files so we can review them?

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/etc/mrtg/mymrtg.cfg
/etc/mrtg/mrtg.cfg
/etc/mrtg/mymrtg.cfg
/etc/httpd/conf/mrtg.cfg

I would like to see if one of the config files are setup to the correct path you are storing the files.

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