Nagios Support Forum

Posted: **Thu Jan 11, 2018 4:56 pm**

Hi,

We have a Nagios XI server and wanted to install NA on it. I ran installer and got an error during MySQL step.
Can we host Nagios XI together with NA? If so, how can we resolve the error below.

Running 'backend'...
backend step completed OK
Running 'db'...
Stopping mysqld: [ OK ]
Starting mysqld: [ OK ]
Enter the MySQL root password to continue...
stty: standard input: Invalid argument

===================
INSTALLATION ERROR!
===================
Installation step failed - exiting.
Check for error messages in the install log (install.log).

If you require assistance in resolving the issue, please include install.log
in your communications with Nagios Enterprises technical support.

The step that failed was: 'db'

Posted: **Fri Jan 12, 2018 12:13 pm**

Installing Nagios NA alongside Nagios XI on the same server is NOT supported! We clearly state in our documentation:

Installation Prerequisites
Important: Nagios Enterprises highly recommends and will only support installing Nagios Network Analyzer
on a newly installed, "clean" system (a bare minimal install with nothing else installed or configured).

Attempting to install Nagios Network Analyzer on a pre-existing system with other applications already
installed can cause the Nagios Network Analyzer installation process to fail, critical system components and
settings (e.g. database servers) to be modified in a way that negatively affects other applications, and
previously installed applications to be automatically upgraded or removed. While installing Network Analyzer
on a system with other applications is possible, it is not recommended due to the possible interactions and
complexity of multiple components that are required for Nagios Network Analyzer to function. If you choose to
ignore these warnings, you do so at your own risk.

https://assets.nagios.com/downloads/nag ... ctions.pdf

I would recommend installing Nagios Network Analyzer on the clean system (different server).

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