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--- communitycloud:services:monitoring [2016/08/30 13:12]
tkilla
+++ communitycloud:services:monitoring [2017/09/23 04:09] (current)
tkilla [Plugins]
@@ Line 3: / Line 3: @@
   * munin graphs
   * monit service check & alarm system
+===== monit =====
+syntax is a bit tricky, but it is a reliable system..
+TBD
+monit mailq via external script: https://lists.nongnu.org/archive/html/monit-general/2015-01/msg00015.html
 ===== munin =====
@@ Line 20: / Line 30: @@
   munin-node-configure --suggest   # test
   munin-node-configure --shell     # install symlinks
+**Test a plugin:**
+  munin-run <plugin-name>
+**Test Server connection:**
+It should reply with the same hostname as setup in munin.conf. If not, edit munin-node.conf host_name on client
+  telnet <ip or localhost> <port>   # default port is 4949
 **Debug:**
@@ Line 64: / Line 85: @@
 ==== Plugins ====
+=== smart ===
+  ln -s /usr/share/munin/plugins/smart_ /etc/munin/plugins/smart_sda
+  ln -s /usr/share/munin/plugins/smart_ /etc/munin/plugins/smart_sdb
 === nginx ===
@@ Line 91: / Line 118: @@
     }
   }
+required packages:
+  apt-get install  libio-all-lwp-perl
 /etc/munin/plugin-conf.d/munin-node:
   [nginx*]
-  env.url http://127.0.0.1/nginx_status
+   env.url http://127.0.0.1/nginx_status
+=== apache ===
+needs the apache status page
+config:
+  [apache]
+   env.url   http://127.0.0.1:%d/server-status?auto
+   env.ports 80
+packages:
+  apt install libwww-perl
+symlinks:
+  ln -s /usr/share/munin/plugins/apache_* /etc/munin/plugins/
@@ Line 104: / Line 152: @@
   GRANT PROCESS, REPLICATION CLIENT ON *.* TO 'munin'@'localhost';
-  apt-get install libcache-{perl,cache-perl}
+  apt-get install libcache-{perl,cache-perl} libdbd-mysql-perl
 /etc/munin/plugin-conf.d/munin-node:
   [mysql*]
-  env.mysqlconnection DBI:mysql:information_schema;host=127.0.0.1;port=3306
+   env.mysqlconnection DBI:mysql:information_schema;host=127.0.0.1;port=3306
-  env.mysqluser munin
+   env.mysqluser munin
-  env.mysqlpassword PASSWD_HERE
+   env.mysqlpassword PASSWD_HERE
-  env.cachenamespace munin_mysql_pri
+   env.cachenamespace munin_mysql_pri
+   # for myisam / queries..:
+   env.mysqlopts -h localhost -u munin --password=PASSWD_HERE
+enable replication graph:
+  ln -s /usr/share/munin/plugins/mysql_ /etc/munin/plugins/mysql_replication
+bugfix: https://github.com/munin-monitoring/munin/pull/109/
 === php-fpm ===
@@ Line 128: / Line 185: @@
   env.target https://<domain>/
+=== processes ===
+just name the symlink like the program you want to monitor (e.g. rsync):
+  ln -s /usr/share/munin/plugins/ps_ /etc/munin/plugins/ps_rsync
+----
 === todo ===
+very good list and setup of plugins: http://kevin.deldycke.com/2011/06/munin-monitor-debian-squeeze-server/
 nginx access by project
@@ Line 141: / Line 210: @@
 Alerts:
-https://www.linuxquestions.org/questions/linux-software-2/munin-changing-cpu-notify-threshold-606308/
+Do not work..for me.. yet..:
+  * https://www.linuxquestions.org/questions/linux-software-2/munin-changing-cpu-notify-threshold-606308/
+  * http://blog-en.openalfa.com/how-to-configure-alerts-in-munin

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