Remove Google Authenticator from Plesk web server via SSH

Issue

CentOS Web Server Plesk Admin Panel is protected by 2 factor authentication using Google Authenticator. After replacing/losing the phone you can no longer generate the requested verification code.

The secret passphrase in configuration (blowfish_secret) is too short

Issue

phpMyAdmin running on CentOS 7 LAMP server shows following warning after logging in:

The secret passphrase in configuration (blowfish_secret) is too short.

CentOS 7 - check version and install updates

Check Linux version and other system info: hostnamectl

Check CentOS version: rpm --query centos-release

Upgrading Netgear ReadyNAS Pro 6 from RAIDiator 4.X to ReadyNAS OS 6.X

Legacy Netgear ReadyNAS models do not officially support the new ReadyNAS OS 6. Luckily is pretty straightforward to upgrade most of X86 based legacy ReadyNAS devices from RAIDiator 4.2 to ReadyNAS OS 6 unofficially. Needless to say, this is completely unsupported by Netgear and proceed at your own risk.

There are bunch of threads about this on Netgear Forums, but basic instructions can be found here.