Could NRPE be in some ways related to nss_ldap [Solved]

[Gaurav Ghimire]

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Gaurav Ghimire wrote:
> Dear all,
> 
> I have a remote server monitored using NRPE. Recently what I found was when my LDAP server went off, I was given a "CHECK_NRPE: Socket timeout
> after 10 seconds." . This could have been the cause had nsswitch.conf in the box with NRPE installed has hosts queried via LDAP as well. But
> that isn't the case. Can there be any other reason? Any one ever came across this situation.
> 
> Regards

Dear all,

Yes the problem was with my nsswitch.conf. I was on a guess that nrpe was querying my ldap servers for the services, but it wasn't the case (my
nsswitch.conf was configured to query only files for the services). Instead NRPE was querying LDAP for the group that was causing the timeouts.
The default timeout for NRPE was of 10 seconds and that for my LDAP server was more than 10, that was causing the error.

Doing "group files [unavail=return] ldap" in my nsswitch.conf and reducing the gid for nagios group to less than 500 helped solve the problem.

Regards,
- --
Gaurav Ghimire
System Administrator
Subisu Cablenet (P.) Ltd.
148 Thirbum Sadak
Baluwatar, Kathmandu
Nepal


T: 00977 1 4429616/17 Ext.: 110
F: 00977 1 4430572

http://www.subisu.net.np

First and Only True Cable Internet Service Provider in Nepal

(An ISO 9001:2000 Certified Company)
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