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{{tag>icinga nagios monitoring troubleshooting}}

====== Icinga/nagios troubleshooting ======
==== Remote command execution failed: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ ====

Try removing the old host key from /home/nagios/.ssh/known_hosts.

==== check_mysql: slave query error: Access denied: you need (at least one of) the SUPER,REPLICATION CLIENT privilege(s) for this operation ====

  GRANT REPLICATION CLIENT ON *.* TO 'replication'@'127.0.0.1' IDENTIFIED BY 'sql';


==== check_mysql: ./check_mysql: error while loading shared libraries: libmysqlclient.so.18: cannot open shared object file: No such file or directory ====
Happens on Debian 10. Install this.

  apt install libmariadb-dev-compat libmariadb-dev

Then recompile the plugins again.

====== Tested on ======
  * 

====== See also ======
  * [[wiki:new_icinga_host_setup_linux|New icinga host setup - linux]]
  * [[New host setup - windows]]
  * [[wiki:nagios_troubleshooting|Nagios troubleshooting]]
====== References ======
  * https://support.nagios.com/kb/article.php?id=569#Debian