Thanks - I decided to go with check_open_files.pl
http://exchange.nagios.org/directory/Plugins/Uncategorized/Operating-Systems/Linux/check-open-files/details
I didn't find help_me/read_me info for this plugin.
After I installed it on the target box into /usr/local/nagios/libexec and just
executed it, I got:
----------
[root@target_host libexec]# ./check_open_files.pl
Usage: -w <warn> -c <crit> [-t <timeout>] [-v version] [-h help]
[root@target_host libexec]#
======
That told me that I should run it at least with "-w some_value1 -c some_value2"
Then I tried to run it with different -w -c values and I am not clear why I am
getting different threshold values (bold, red) :
===============
[root@ target_host libexec]# ./check_open_files.pl -w 500 -c 10000
OK: open files (4590) is below threshold
(16194515/323890300)|open_files=4590;16194515;323890300
[root@ target_host libexec]# ./check_open_files.pl -w 1000 -c 10000
OK: open files (4590) is below threshold
(32389030/323890300)|open_files=4590;32389030;323890300
[root@ target_host libexec]# ./check_open_files.pl -w 10 -c 100
OK: open files (4590) is below threshold
(323890/3238903)|open_files=4590;323890;3238903
===============
Why do I get in response 2 threshold values and why are they different each
time I enter another number of warning and critical limits?
===============
By the way, total system files limits on the target box is:
[root@ target_host libexec]# cat /proc/sys/fs/file-max
3238903
===============
Thanks.
-----Original Message-----
From: Edwin Zoeller
[mailto:edwin.zoel...@ama-assn.org]<mailto:[mailto:edwin.zoel...@ama-assn.org]>
Sent: Friday, June 08, 2012 8:47 AM
To: Nagios Users List
Subject: Re: [Nagios-users] monitor number of open files on linux
Check_open_files.pl
-----Original Message-----
From: Parkman, Mikhail
[mailto:mikhail_park...@cable.comcast.com]<mailto:[mailto:mikhail_park...@cable.comcast.com]>
Sent: Friday, June 08, 2012 10:20 AM
To: Nagios Users List
Subject: [Nagios-users] monitor number of open files on linux
Can somebody recommend plugin to monitor number of opened files.
Thanks.
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Exclusive live event will cover all the ways today's security and
threat landscape has changed and how IT managers can respond. Discussions
will include endpoint security, mobile security and the latest in malware
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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