Nagios Support Forum

Hi All We are using nagios core ,nrdp,ncpa client for passive monitoring .But for some reason check Type is coming as Active for one particular server while adding to monitoring and hence all service is showing as critical state. Rest all servers type is coming as Passive and hence no issues. Any su...

yes did it .. still didnt work .. had to reinstall the nagios core finaly

Here is it define command { command_name check_local_load command_line $USER1$/check_load -w $ARG1$ -c $ARG2$ } define command { command_name check_local_disk command_line $USER1$/check_disk -w $ARG1$ -c $ARG2$ -p $ARG3$ } Nothing in resource.cfg file Not only this but all services swap,memory,uptim...

Hello Team We do have a nagios Core (Version 4.3.4) running on Ubuntu 16.04 successfuly.Tried to install VMware-vSphere-Perl-SDK-6.5.0-4566394.x86_64.tar.gz inorder to monitor ESxi hosts.After follwing the pre-requisites and installation all the monitoring agents (for all the hosts monitored not the...

We were able to fix the passive check issue by installing apt-get install php-simplexml package . dpa.clt what operating system and version did you install php-simplexml on? I wanted to document this in a KB article. @Box293 ,I installed this package on ubuntu 16.04LTS which is the core nagios serv...

@npolovenko @Box293 Thanks a lot for your guidance .
We were able to fix the passive check issue by installing apt-get install php-simplexml package .
And now passive check is working as expected .

Thanks again

Also please note that we have not written any external commands for check dummy !0 or check dummy!2 Please find ncpa_passive log as below 2018-01-10 06:37:39,698 3386 INFO Running check: services?service=ncpa_listener&status=running 2018-01-10 06:37:39,745 3386 INFO Running check: services?servi...

Please find the ncpa information below root@client01:/usr/local/ncpa/etc# cat ncpa.cfg |grep -v '#' [general] check_logging = 1 check_logging_time = 30 exclude_fs_types = aufs,autofs,binfmt_misc,cifs,cgroup,debugfs,devpts,devtmpfs,encryptfs,efivarfs,fuse,hugelbtfs,mqueue,nfs,overlayfs,proc,pstore,rp...

Also receiving below message in nagios.log file [1515474415] Warning: The results of host 'fgsmipurepo01' are stale by 0d 0h 0m 5s (threshold=0d 0h 1m 15s). I'm forcing an immediate check of the host. [1515474425] Warning: The results of service 'Memory Usage' on host 'client01' are stale by 0d 0h 0...

Please see the configuration passive_host define host { use generic-host name passive_host active_checks_enabled 0 passive_checks_enabled 1 flap_detection_enabled 1 register 0 check_period 24x7 max_check_attempts 5 check_interval 5 retry_interval 1 check_freshness 1 process_perf_data 1 retain_status...