In case no one is aware, the -n, or "--ignore-auth" option on check_mysql doesn't work with mariadb servers. Specifically, I'm running 10.0.27-MariaDB-0ubuntu0.16.04.1
It works fine on a server actually running mysql. No issues working with MariaDB if you authenticate. Layne Breitkreutz DevOps Engineer McAfee Labs Direct: 503.466.4311 [cid:image002.png@01D11638.14DF1940] McAfee is now part of Intel Security.