Error: Could not open command file 'nagios.cmd' for update!

Aldo Foot lunixer at gmail.com
Mon Dec 15 18:48:31 CET 2008


On Fri, Dec 12, 2008 at 5:47 PM, Aldo Foot <lunixer at gmail.com> wrote:
> On Fri, Dec 12, 2008 at 5:02 PM, Aldo Foot <lunixer at gmail.com> wrote:
>> I'm running CentOS 5 and Nagios 3.0.6.
>>
>> When I click on "Re-schedule the next check of this service" I get an error:
>>
>> Error: Could not open command file
>> '/usr/local/nagios/var/rw/nagios.cmd' for update!
>> The permissions on the external command file and/or directory may be
>> incorrect. Read the FAQs on how to setup proper permissions.
>> An error occurred while attempting to commit your command for processing.
>>
>> I read the FAQ here:
>> http://www.nagios.org/faqs/viewfaq.php?faq_id=58&expand=false&showdesc=false
>>
>> and followed the instructions here:
>> http://nagios.sourceforge.net/docs/2_0/commandfile.html
>>
>> and have these file permissions:
>>
>> # ls -ld /usr/local/nagios/var/rw
>> drwxrwsr-x 2 nagios nagcmd 4096 Dec 12 16:49 /usr/local/nagios/var/rw
>>
>> # ls -l /usr/local/nagios/var/rw
>> prw-rw---- 1 nagios nagcmd 0 Dec 12 16:15 nagios.cmd
>>
>> Note that if I disable the system firewall there is no error.
>> I won't get into much detail on the firewall side (building a local
>> policy file), because
>> I'd like to know whether there is a simpler, better solution to this.
>>
>> thanks in advanced.
>> ~af
>
> To add more info:
>
> I have the account and group set as shown here.
>
> # grep nag /etc/passwd
> nagios:x:501:501::/home/nagios:/bin/bash
>
> # grep nag /etc/group
> nagios:x:501:
> nagcmd:x:502:nagios,apache
>
> pretty much that's how it's outlined in the documentation.
> ~af

Does anyone have information about my question?
Why does nagios fails to schedule commands when the firewall is running?

thanks.
~af

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