MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stability.
Forgotten / overlooked issue (cf #610):
Add a newline after password has been entered, else we get an info or a bad on the same line:
$ ./mysqltuner.pl
>> MySQLTuner 2.0.4
* Jean-Marie Renouard <jmrenouard@gmail.com>
* Major Hayden <major@mhtx.net>
>> Bug reports, feature requests, and downloads at http://mysqltuner.pl/
>> Run with '--help' for additional options and output filtering
[--] Skipped version check for MySQLTuner script
Please enter your MySQL administrative login: root
Please enter your MySQL administrative password: [OK] Currently running supported MySQL version 8.0.30-0ubuntu0.20.04.2
or, in case of incorrect credentials:
Please enter your MySQL administrative password: [!!] Attempted to use login credentials, but they were invalid.
Expecting:
Please enter your MySQL administrative password:
[OK] Currently running supported MySQL version 8.0.30-0ubuntu0.20.04.2
Please enter your MySQL administrative password:
[!!] Attempted to use login credentials, but they were invalid.
Forgotten / overlooked issue (cf #610): Add a newline after password has been entered, else we get an info or a bad on the same line:
or, in case of incorrect credentials:
Please enter your MySQL administrative password: [!!] Attempted to use login credentials, but they were invalid.
Expecting: