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I have a problem with nagios supervision. I would like to check that MariaDB is running on my web server, but Nagios returns "CRITICAL PROCESSES: 0 processes with command name 'mariadbd'".

Here is my Nagios configuration:

define service { use generic-service host_name p8_client service_description Checking MariaDB check_command chk_procs!1:!mariadbd } define command { command_name chk_procs command_line $USER1$/check_procs -c $ARG1$ -C $ARG2$ }

And here is what my web server returns to me:

user@debian11:~$ ps aux | grep mariadbd mysql 606 0.0 4.8 1544548 98320 ? Ssl 17:32 0:00 /usr/sbin/mariadbd user 3193 0.0 0.0 6284 640 pts/0 S+ 17:38 0:00 grep mariadbd

Thank you in advance for your help.

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  • Have you try to exec from command line something like: check_procs -c 1: -C mariadbd and check the result. Also -v in above command may give more information Commented Nov 15, 2024 at 17:35
  • Is your Nagios host the same as your web server p8_client? Because you run this check on your nagios host. You would need nrpe or something other way to query other servers if your mariadb is not on nagios host. Commented Dec 20, 2024 at 16:04

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