well, ./check_nrpe -H centos.host.com -n -c check_load CHECK_NRPE: Error receiving data from daemon
and I see this in centos.host syslog "nrpe[22928]: Error: Could not complete SSL handshake. 1" when issue command with "-n" option. -- wbr, yuris Assaf Flatto wrote: > Assaf Flatto wrote: > >> yuris wrote: >> >> >>> Hi all, >>> >>> I have this weird trouble with getting nrpe agents work. My nagios >>> server hosts on Debian box while agents on Debian and Centos (all >>> installed from official binary packages) and the problem is check_nrpe >>> always returns this "NRPE: No output returned from plugin" error when I >>> check NRPE on any Centos host and this is true with all plugins - all of >>> them does not return anything. I turned on debug at one Centos host but >>> still it does not show me anything, when I run from nagios host: >>> >>> ./check_nrpe -H centos.host.com -c check_load >>> >>> I always get "NRPE: Unable to read output" and there is nothing in >>> syslog at agent's host in spite of debug is on. >>> >>> My assumption was that command definitions on Centos host side use path >>> to plugins that is different from Debian, for example: >>> >>> command[check_load]="/usr/lib/nagios/plugins/check_load -w 15,10,5 -c >>> 30,25,20" [Debian host] >>> command[check_load]="/usr/lib64/nagios/plugins/check_load -w 15,10,5 -c >>> 30,25,20" [Centos host] >>> >>> but I made symbolic link so that plugins could be called by the same >>> path - it didn't help. When I run command locally, all works just fine: >>> >>> su nrpe -c "/usr/lib/nagios/plugins/check_load -w 15,10,5 -c 30,25,20" >>> OK - load average: 1.28, 0.97, 0.97|load1=1.280;15.000;30.000;0; >>> load5=0.970;10.000;25.000;0; load15=0.970;5.000;20.000;0; >>> >>> while from nagios server: >>> >>> ./check_nrpe -H centos.host.com -c check_load >>> NRPE: Unable to read output >>> >>> The weird part of it is that all plugins work fine on debian hosts. >>> Nagios uses the same host, service and command definitions for all >>> monitored hosts (both debian and centos) and I really wonder what's >>> wrong with centos nrpe agents :/ >>> >>> If anyone have any ideas, please try to help. >>> >>> P.S. I use Nagios server v.3 (from Debian lenny) and Nrpe agents >>> versions are the same on Debian and Centos (v.2.12). >>> >>> >>> >>> >> from first look it seems that one of your server has SSL installed on it >> and the other does not and nagios -by default - assumes ( command >> definitions) to use nrpe with ssl . >> >> Try to execute the command on the CentOS hosts , but add "-n " after the >> host IP , and see if that will help . >> >> Assaf >> >> >> > Clarification : > > ./check_nrpe -H centos.host.com -n -c check_load > > > ------------------------------------------------------------------------------ This SF.net email is sponsored by Sprint What will you do first with EVO, the first 4G phone? Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first _______________________________________________ Nagios-users mailing list Nagios-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null
