Passbolt web configure

[Duffman]

Hi @bandbkaminski

I am not a CentOS user. I hoping the links below might help

The health check is talking about your gpg key setup GPG key & CentOS7

I would also check out this post from Garrett

Connection refused when doing initial web-based setup after install

I agree. Start with : sudo apt install passbolt-ce-server and if it says already installed, then try: sudo dpkg-reconfigure passbolt-ce-server to kickstart a refresh on the configuration steps.