Install MySQLTuner in CentOS/RHEL
How to install MySQLTuner in CentOS/RHEL 7 to help with tuning MySQL server instances
mysqltuner
Practical mysqltuner guides from the GetPageSpeed engineering team: configuration, performance tuning and security for production Linux servers.
2 articles
MySQLTuner fix for “Reduce or eliminate unclosed connections and network issues”
Find out how to eliminate unclosed MySQL connections