Hi Giorgio,
I tried all the ways to fix the problem but still no luck. Do not know how
to run the custom scripts, i will explain in detail here, please someone
guide me here,
Nagios server:
Running the below command, this command will go to nagios client
(172.16.17.18) and execute check_netstat script. The netstat script will
check for port 80 listen status also if there are any TIME_WAIT connections
happens, then it should alert us (WARNING - STATUS= TIME_WAIT port status on
airlin | WARNING - STATUS=TIME_WAIT port status on airlin). For testing I
made some connections happend to be listen on port 80 and as TIME_WAIT
status. But it still reports as (OK, which means this is reporting
incorrectly)
[nag...@lnx-nagios ~]$ /usr/local/nagios/libexec/check_nrpe -H 172.16.17.18
-c check_netstat
OK - The port is up and running NO established connections on airlin
on Nagios client:,
I executed below command here, and this reports exactly correct as there are
some TIME_WAIT listening on port 80
[nag...@airlin nagios]$ netstat -an | grep 80
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN
tcp 0 0 172.16.17.18:80 10.10.19.85:2293
TIME_WAIT
[nag...@airlin nagios]$ /usr/local/nagios/libexec/check_netstat
WARNING - STATUS= TIME_WAIT port status on airlin | WARNING -
STATUS=TIME_WAIT port status on airlin.
The same warning message should appear when I execute first command on
nagios server but it reports incorrectly as (OK, no port status)....
I am running above commands as nagios user because this as preivileges to
run nrpe.
the check_nrpe , nrpe , check_netstat owned by nagios:nagios on both the
servers.
in /etc/sudoers file I wrote below line on both the servers
nagios ALL=/bin/netstat
and
[r...@airlin libexec]# sudo -u nagios sudo -l
Password:
User nagios may run the following commands on this host:
(root) /bin/netstat
in the check_netstat script I wrote the netstat command as,
netstat -an | grep 80 > synport12
should I add sudo here???
Please help your valuable suggestions......
thanks
On Thu, Apr 9, 2009 at 8:52 PM, Giorgio Zarrelli <gior...@zarrelli.org>wrote:
> Hi
>
> As I told before, that netstat command won't work "out of the box", with an
> unprivileged user.
>
> Giorgio
>
> Marc Powell (m...@ena.com) scritto:
> >
> >
> > On Apr 9, 2009, at 8:26 AM, asa...@gmail.com wrote:
> >
> > > Hi,
> > >
> > > I did copy the scipt to the remote host as check_netstat and used
> > > check_nrpe method to excute from nagios server. It looks when
> > > executing the command on remote server works well,
> > >
> > > [r...@airlin libexec]# /usr/local/nagios/libexec/check_netstat
> > > WARNING - STATUS= TIME_WAIT port status on airlin | WARNING -
> > > STATUS=TIME_WAIT port status on airlin
> >
> > You're testing as root here. Test as the user nrpe runs as. It could
> > very well be a difference in privileges...
> >
> > --
> > Marc
> >
> >
> >
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--
Shankar Asam
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