yuminstallnagiosnsca*nagios-plugins*2、更改配置文件nagios.cfgcheck_external_commands=1（enablecommandsfile）command_check_interval=-1（checktheexternalcommandfileasoftenaspossible）cfg_dir=/etc/nagios/conf.d此目录下放置hosts和services的配置文件[root@yourhostnameconf.d]#cathosts.cfgdefinehost{uselinux-serverhost_nameuseyourhostnamealiasmyselfaddress192.168.4.63}[root@yourhostnameconf.d]#catmyself.cfgdefineservice{usegeneric-service,services-pnphost_nameuseyourhostname#主机名必须匹配service_descriptioncheck-swapactive_checks_enabled0check_freshness1passive_checks_enabled1check_commandcheck_dummy!2}[root@yourhostnameclient]#pwd/etc/nagios/client
[root@yourhostnameclient]#catcheck_ser.sh#!/bin/bashhostname=`hostname`Plugin_path=/usr/lib64/nagios/plugins/#1.swapresult=$($Plugin_path/check_swap-w50%-c20%)status=$?output=$(echo"$result"|awk-F'|''{print$1}')echo-e"$hostname;check-swap;$status;$output"
[root@yourhostnameclient]#catnagios_check#!/bin/bashNSER=yourmasterCHECK_PATH="/etc/nagios/client/"RESULT_FILE="/tmp/nagios_result"/bin/bash"$CHECK_PATH"/*.sh>/tmp/nagios_result/usr/sbin/send_nsca-H"$NSER"-to10-d";"-c/etc/nagios/send_nsca.cfg</tmp/nagios_result
[root@yourhostnameclient]#crontab-l*/5****/bin/sh/etc/nagios/client/nagios_check
编辑commands.cfg配置文件，添加definecommand{command_namecheck_dummycommand_line/usr/lib64/nagios/plugins/check_dummy$ARG1$}编辑templates.cfg配置文件，defineservice{namegeneric-service;The'name'ofthisservicetemplateactive_checks_enabled0;Activeservicechecksareenabledpassive_checks_enabled1;Passiveservicechecksareenabled/acceptedparallelize_check1;Activeservicechecksshouldbeparallelized(disablingthiscanleadtomajorperformanceproblems)obsess_over_service1;Weshouldobsessoverthisservice(ifnecessary)check_freshness0;DefaultistoNOTcheckservice'freshness'notifications_enabled1;Servicenotificationsareenabledevent_handler_enabled1;Serviceeventhandlerisenabledflap_detection_enabled1;Flapdetectionisenabledfailure_prediction_enabled1;Failurepredictionisenabledprocess_perf_data1;Processperformancedataretain_status_information1;Retainstatusinformationacrossprogramrestartsretain_nonstatus_information1;Retainnon-statusinformationacrossprogramrestartsis_volatile0;Theserviceisnotvolatilecheck_period24x7;Theservicecanbecheckedatanytimeofthedaymax_check_attempts3;Re-checktheserviceupto3timesinordertodetermineitsfinal(hard)statenormal_check_interval10;Checktheserviceevery10minutesundernormalconditionsretry_check_interval2;Re-checktheserviceeverytwominutesuntilahardstatecanbedeterminedcontact_groupsadmins;Notificationsgetsentouttoeveryoneinthe'admins'groupnotification_optionsw,u,c,r;Sendnotificationsaboutwarning,unknown,critical,andrecoveryeventsnotification_interval60;Re-notifyaboutserviceproblemseveryhournotification_period24x7;Notificationscanbesentoutatanytimeregister0;DONTREGISTERTHISDEFINITION-ITSNOTAREALSERVICE,JUSTATEMPLATE!}
[root@yourhostnamenagios]#/etc/init.d/nscastatusnsca(pid30650)isrunning...