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/usr/local/nagios/libexec/check_swap -w 20 -c 10 Missing Host or Password arguments /usr/local/nagios/libexec/check_swap version 1.9.2 last updated 03.17.2011 * OVERVIEW * This utility was written 10/25/2004 as a method for automating the collection of SNMP based information, for the ultimate goal o...

Yes, I have tried check_swap without -H option, but I still get the same error.

FIles attached.

Thanks for your help. It works. However, I have another issue with check swap. Here is content in nrpe.client.cfg ..... command[check_swap]=/usr/local/nagios/libexec/check_swap -H localhost -w 20 -c 10 ... On Nagios master dashboard, on the line Swap usage under status information: Missing Host or P...

I try to monitor remote host, so I add remote host as indicated in the attached file, but it only works for current load and current users, and it fails for other services. Thanks very much for your help.

There're dozens of repeated messages in nagios log file as follows: [1423698292] wproc: Core Worker 2838: job 11 (pid=3084) timed out. Killing it [1423698292] wproc: Core Worker 2838: job 11 with pid 3084 reaped at timeout. timeouts=11; started=12 [1423698293] wproc: Core Worker 2839: job 11 (pid=30...

I updated the nagios.cfg for the following entry
check_external_commands=1
and add the Apache user account to the nagios group.
When I restart nagios, the error is gone.
Thanks for your help.

I followed all steps, but the same error still show up in the logs.
/usr/local/nagios/var/rw# ls -al
total 7
drwxrwsr-x 2 nagios nagios 3 Feb 9 11:09 .
drwxrwxr-x 5 nagios nagios 10 Feb 9 11:12 ..
srw-rw---- 1 nagios nagios 0 Feb 9 11:09 nagios.qh

root@ddcldp103:/usr/local/nagios/var# ls -l /usr/local/nagios/var/rw total 1 prwxrwx--x 1 nagios nagios 0 Jan 28 17:17 nagios.cmd srw-rw---- 1 nagios nagios 0 Feb 6 10:57 nagios.qh after start up nagios /usr/local/nagios/var# ls -l /usr/local/nagios/var/rw total 1 prwxrwx--x 1 nagios nagios 0 Jan 28...

nagios.cfg /usr/local/nagios/etc# ls -l /usr/local/nagios/var total 632 drwxrwxr-x 2 nagios nagios 11 Feb 5 23:59 archives -rw-r--r-- 1 nagios nagios 5 Feb 3 17:43 nagios.lock -rw-r--r-- 1 nagios nagios 245510 Feb 6 09:11 nagios.log -rw-r--r-- 1 nagios nagios 14935 Feb 5 17:35 objects.cache -rw----...