Problem with Zabbix Frontend on separated installation

[Cenzoooo]

Hello,

I am unable to access Zabbix Frontend after installation of every 3 components separately, each on Ubuntu 18.04 OS.

Zabbix Server is installed on 1 VM, Zabbix DB on 2nd and Zabbix Frontend on 3rd. Zabbix server is UP and can connect to Zabbix DB.

For Frontend installation did following things:

installed apache2
installed php7.2
installed zabbix-frontend-php

When I try to access to IP address of VM where is frontend i see default index.html from apache2. But when i put http://IP/Zabbix i get an error 404: Not Found


The requested URL /Zabbix was not found on this server.


After frontend installation, I noticed that I don't have "zabbix.conf" file in /etc/apache2/conf-available/ folder, instead i have "zabbix-frontend-php.conf".

What am I doing wrong?
Please help!


******EDIT******

I solved problem, but now have another one... On setup.php I am getting following error:

Cannot connect to the database.
Details

• The frontend does not match Zabbix database. Current database version (mandatory/optional): 3050162/3050162. Required mandatory version: 3000000. Contact your system administrator.

Zabbix Server is on 4.0.1, and I don't see what is version of Zabbix frontend.



******EDIT******


Problem solved again, it was incorrect version indeed. I have 4.0.0 rc3 on Server and 4.0.2 on Frontend.

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