{"id":2161,"date":"2017-03-18T23:24:37","date_gmt":"2017-03-18T14:24:37","guid":{"rendered":"http:\/\/www.nightmare-yk.com\/?p=2161"},"modified":"2017-03-18T23:24:37","modified_gmt":"2017-03-18T14:24:37","slug":"linux%e7%9b%a3%e8%a6%96%e3%82%b5%e3%83%bc%e3%83%90-nagios","status":"publish","type":"post","link":"http:\/\/www.nightmare-yk.com\/?p=2161","title":{"rendered":"Linux\u76e3\u8996\u30b5\u30fc\u30d0-nagios-"},"content":{"rendered":"

\u304a\u4e45\u3057\u3076\u308a\u3067\u3059\uffe3O\uffe3)\u30ce<\/p>\n

\u672c\u5f53\u306b\u4e45\u3057\u3076\u308a\u306e\u6280\u8853\u6295\u7a3f\u306b\u306a\u308a\u307e\u3059\u3002
\n\u4ed5\u4e8b\u3067\u4e45\u3005\u306bLinux\u3092\u6271\u3046\u3053\u3068\u306b\u306a\u308a\u3001\u4e8b\u524d\u306b\u4e0b\u8abf\u3079\u304c\u3066\u3089\u8a18\u4e8b\u306b\u3057\u307e\u3057\u305f(\u00b4\u25bd\uff40)
\n\u4eca\u56de\u306f\u3001nagios\u30b5\u30fc\u30d0\u306b\u95a2\u3057\u3066\u3067\u3059\uff01\uff01
\n\u4eca\u307e\u3067zabbix\u3068\u304bcacti\u3068\u304b\u3084\u3063\u3066\u304d\u307e\u3057\u305f\u304c\u3001nagios\u306f\u3084\u3063\u3066\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u524d\u8077\u306e\u3068\u304d\u89e6\u3063\u3066\u304a\u3051\u3070\u3088\u304b\u3063\u305f\u306a\uff1b\uffe3\u30ed\uffe3\uff09<\/p>\n

\u3067\u306f\u3001\u65e9\u901f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304b\u3089\u59cb\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u2606
\n <\/p>\n

\u25c6 \u30b5\u30fc\u30d0\u5074<\/span>
\n\u307e\u305a\u306f\u3001\u5fc5\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u3057\u307e\u3059\u3002\u76e3\u8996\u72b6\u6cc1\u306f\u3001web\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3001web\u30b5\u30fc\u30d0\u3068\u3057\u3066apache\u3092\u5165\u308c\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n
\n
\n
# yum install epel-release httpd php<\/pre>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/table>\n
\u6b21\u306b\u3001nagios\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u3057\u307e\u3059\u3002
\nnagios\u306b\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067localhost\u306e\u76e3\u8996\u8a2d\u5b9a\u304c\u5165\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u76e3\u8996\u3067\u304d\u308b\u3088\u3046\u306bnagios\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3082\u5165\u308c\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n
\n
\n
# yum install nagios nagios-plugins-all<\/pre>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/table>\n
apache\u306enagios\u8a2d\u5b9a\u304c\u81ea\u52d5\u7684\u306b\u5165\u308b\u306e\u3067\u3068\u308a\u3042\u3048\u305a\u78ba\u8a8d\u7a0b\u5ea6\u3067\uff01
\n\u305f\u3060\u3001\u307b\u3093\u3068\u306f\u901a\u4fe1\u5236\u9650\u3068\u304b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5468\u308a\u306f\u3084\u3063\u305f\u307b\u3046\u304c\u3044\u3044\u304b\u306a\u3068\u601d\u3044\u307e\u3059\u304c\uff08\uffe3\u25a1\uffe3\uff1b\uff09<\/p>\n\n\n
\n
\n
# cat \/etc\/httpd\/conf.d\/nagios.conf<\/pre>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/table>\n
nagios\u306e\u7ba1\u7406\u753b\u9762\u3067\u306f\u3001basic\u8a8d\u8a3c\u3092\u4f7f\u3046\u305f\u3081\u30e6\u30fc\u30b6\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n
\n
\n
# htpasswd \/etc\/nagios\/passwd nagiosadmin\r\nNew password:\r\nRe-type new password:\r\nUpdating password for user nagiosadmin<\/pre>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/table>\n
\u5404\u30b5\u30fc\u30d0\u3092\u8d77\u52d5\u3057\u3001\u81ea\u52d5\u8d77\u52d5\u8a2d\u5b9a\u3082ON\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n
\n
\n
# systemctl start httpd\r\n# systemctl start nagios\r\n# systemctl enable httpd\r\n# systemctl enable nagios<\/pre>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/table>\n
\u3053\u3053\u307e\u3067\u3053\u308c\u3070\u3001web\u304b\u3089\u7ba1\u7406\u753b\u9762\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\uff01\uff01
\nhttp:\/\/\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9\/nagios\/
\n\"\"<\/a><\/p>\n
\u304b\u306a\u308a\u7c21\u5358\u3067\u3059\u306d(\uff1d\u2312\u25bd\u2312\uff1d)
\nlocalhost\u306e\u76e3\u8996\u3082\u51fa\u6765\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\u3002
\n\u3067\u306f\u6b21\u306b\u3001\u76e3\u8996\u8a2d\u5b9a\u306e\u65b9\u6cd5\u3092\u8a66\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01
\n <\/p>\n
\u25c6 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074<\/span>
\n\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306bnagios\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n\n\n
\n
\n
# yum install nagios-plugins-all<\/pre>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/table>\n
\u6b21\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u8a2d\u5b9a\u3092\u5165\u308c\u3066\u3044\u304d\u307e\u3059\uff01
\n\u307e\u305a\u3001\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n
\n
\n
# cp -p \/etc\/nagios\/objects\/templates.cfg \/etc\/nagios\/objects\/templates.cfg.org\r\n# diff \/etc\/nagios\/objects\/templates.cfg.org \/etc\/nagios\/objects\/templates.cfg\r\n197a198,238\r\n>\r\n> define host{\r\n>         name                            test-server\r\n>         use                             generic-host\r\n>         check_period                    24x7\r\n>         check_interval                  5\r\n>         retry_interval                  1\r\n>         max_check_attempts              3\r\n>         check_command                   check-host-alive\r\n>         notification_period             24x7\r\n>         notification_interval           60\r\n>         notification_options            d,u\r\n>         contact_groups                  admins\r\n>         register                        0\r\n>         }\r\n>\r\n> define service{\r\n>         name                            test-server             ; The 'name' of this service template\r\n>         active_checks_enabled           1                       ; Active service checks are enabled\r\n>         passive_checks_enabled          1                       ; Passive service checks are enabled\/accepted\r\n>         parallelize_check               1                       ; Active service checks should be parallelized (disabling this can lead to major performance problems)\r\n>         obsess_over_service             1                       ; We should obsess over this service (if necessary)\r\n>         check_freshness                 0                       ; Default is to NOT check service 'freshness'\r\n>         notifications_enabled           1                       ; Service notifications are enabled\r\n>         event_handler_enabled           1                       ; Service event handler is enabled\r\n>         flap_detection_enabled          1                       ; Flap detection is enabled\r\n>         failure_prediction_enabled      1                       ; Failure prediction is enabled\r\n>         process_perf_data               1                       ; Process performance data\r\n>         retain_status_information       1                       ; Retain status information across program restarts\r\n>         retain_nonstatus_information    1                       ; Retain non-status information across program restarts\r\n>         is_volatile                     0                       ; The service is not volatile\r\n>         check_period                    24x7                    ; The service can be checked at any time of the day\r\n>         max_check_attempts              1                       ; Re-check the service up to 3 times in order to determine its final (hard) state\r\n>         normal_check_interval           5                       ; Check the service every 10 minutes under normal conditions\r\n>         retry_check_interval            2                       ; Re-check the service every two minutes until a hard state can be determined\r\n>         contact_groups                  admins                  ; Notifications get sent out to everyone in the 'admins' group\r\n>         notification_options            w,c                     ; Send notifications about warning, unknown, critical, and recovery events\r\n>         notification_interval           60                      ; Re-notify about service problems every hour\r\n>         notification_period             24x7                    ; Notifications can be sent out at any time\r\n>         register                        0                       ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL SERVICE, JUST A TEMPLATE!\r\n>         }\r\n<\/pre>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/table>\n
\u6b21\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u540d\u306f\u306a\u3093\u3067\u3082\u554f\u984c\u306a\u3044\u3067\u3059\u3002<\/p>\n\n\n
\n
\n
# cat \/etc\/nagios\/conf.d\/test.cfg\r\ndefine host{\r\n        use                     test-server\r\n        host_name               test-server\r\n        alias                   \u30c6\u30b9\u30c8\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\r\n        address                 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074IP\u30a2\u30c9\u30ec\u30b9\r\n        }\r\n\r\ndefine service{\r\n        use                             test-server\r\n        host_name                       test-server\r\n        service_description             alive\r\n        check_command                   check-host-alive\r\n        }\r\n<\/pre>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/table>\n
\u8a2d\u5b9a\u304c\u554f\u984c\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n
\n
\n
# \/usr\/sbin\/nagios -v \/etc\/nagios\/nagios.cfg\r\n:\r\n:\r\nTotal Warnings: 0\r\nTotal Errors:   0\r\n\r\nThings look okay - No serious problems were detected during the pre-flight check<\/pre>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/table>\n
\u30a8\u30e9\u30fc\u304c\u306a\u3051\u308c\u3070\u3001\u53cd\u6620\u3055\u305b\u307e\u3059\u266a<\/p>\n\n\n
\n
\n
# systemctl restart nagios<\/pre>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/table>\n
web\u306e\u7ba1\u7406\u753b\u9762\u304b\u3089\u76e3\u8996\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u5897\u3048\u305f\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\uff08\u2010\uff3e\u25bd\uff3e\u2010\uff09
\n\"\"<\/a>
\n 
\n <\/p>\n
\u3067\u306f\u3001\u6700\u5f8c\u306b\u4e00\u90e8\u76e3\u8996\u306e\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u3066\u304a\u304d\u307e\u3059\u3002
\n\/etc\/nagios\/conf.d\/test.cfg\u306b\u8ffd\u52a0\u3057\u3066\u53cd\u6620\u3059\u308c\u3070\u3067\u304d\u307e\u3059\u2606<\/p>\n
\u25a0http
\n\u4e0b\u8a18\u306f\u3001http:\/\/IP\u30a2\u30c9\u30ec\u30b9\/test\/index.html\u306e\u30da\u30fc\u30b8\u304c\u8868\u793a\u3067\u304d\u308b(200\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u8fd4\u308b)\u3053\u3068\u3092\u76e3\u8996\u3059\u308b\u8a2d\u5b9a\u3067\u3059\u3002\u3061\u306a\u307f\u306b!\u304c\u5f15\u6570\u306e\u533a\u5207\u308a\u6587\u5b57\u3068\u306a\u308a\u307e\u3059\u2606<\/p>\n\n\n
\n
\n
define service{\r\n        use                             test-server\r\n        host_name                       test-server\r\n        service_description             httpd\r\n        check_command                   check_http!-u \/test\/index.html\r\n        }\r\n<\/pre>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/table>\n
\u25a0snmp
\n\u4e0b\u8a18\u306f\u3001\u30e1\u30e2\u30ea\u7a7a\u304d\u5bb9\u91cf(UCD-SNMP-MIB::memAvailReal.0)\u304c100000KB\u3092\u4e0b\u56de\u3063\u305f\u969b\u3001CRITICAL\u306e\u30a8\u30e9\u30fc\u3068\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u7bc4\u56f2\u306e\u6307\u5b9a\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u51fa\u6765\u307e\u3059\u3002
\n\u3061\u306a\u307f\u306b\u3001A\u2192A\u3092\u8d85\u3048\u305f\u3089\u30a8\u30e9\u30fc\u3001A:B\u2192A\u3068B\u306e\u7bc4\u56f2\u3092\u306f\u307f\u51fa\u3057\u305f\u3089\u30a8\u30e9\u30fc\u3001B:\u2192B\u672a\u6e80\u306a\u3089\u30a8\u30e9\u30fc\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n
\n
\n
# snmp\r\ndefine service{\r\n        use                             test-server\r\n        host_name                       test-server\r\n        service_description             snmp\r\n        check_command                   check_snmp!-P 2c -C public -o UCD-SNMP-MIB::memAvailReal.0 -c 100000:\r\n        }<\/pre>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/table>\n
\u76e3\u8996\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u306d\uff01\uff01
\n\"\"<\/a><\/p>\n
\u4ed6\u306b\u3082\u3044\u308d\u3044\u308d\u306a\u76e3\u8996\u304c\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002
\n\u6b21\u306f\u3001datadog\u3092\u8abf\u3079\u3066\u307f\u3088\u3046\u304b\u306a\u266a<\/p>\n
\n            
<\/div><\/fb:like><\/div>\n            
<\/g:plusone><\/div>\n    <\/div>\n
\n","protected":false},"excerpt":{"rendered":"
\u304a\u4e45\u3057\u3076\u308a\u3067\u3059\uffe3O\uffe3)\u30ce \u672c\u5f53\u306b\u4e45\u3057\u3076\u308a\u306e\u6280\u8853\u6295\u7a3f\u306b\u306a\u308a\u307e\u3059\u3002 \u4ed5\u4e8b\u3067\u4e45\u3005\u306bLinux\u3092\u6271\u3046\u3053\u3068\u306b\u306a\u308a\u3001\u4e8b\u524d\u306b\u4e0b\u8abf\u3079\u304c\u3066\u3089\u8a18\u4e8b\u306b\u3057\u307e\u3057\u305f(\u00b4\u25bd\uff40) \u4eca\u56de\u306f\u3001nagios\u30b5\u30fc\u30d0\u306b\u95a2\u3057\u3066\u3067\u3059\uff01\uff01 \u4eca\u307e\u3067zabbix\u3068\u304bcacti\u3068\u304b\u3084\u3063\u3066\u304d\u307e\u3057\u305f\u304c\u3001nagios\u306f\u3084\u3063\u3066\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u524d\u8077\u306e\u3068\u304d\u89e6\u3063\u3066\u304a\u3051 […]<\/p>\n","protected":false},"author":1,"featured_media":2173,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[3],"tags":[210,22,353,355,354],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.nightmare-yk.com\/wp-content\/uploads\/2017\/03\/nagios4.png?fit=1112%2C928","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/posts\/2161"}],"collection":[{"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2161"}],"version-history":[{"count":10,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/posts\/2161\/revisions"}],"predecessor-version":[{"id":2175,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/posts\/2161\/revisions\/2175"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/media\/2173"}],"wp:attachment":[{"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2161"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}