====== Installation ======

===== Prerequisities =====

  - Check [[en:mervis-db:requirements]]
  - Get the latest Mervis DB installation archive.
  - Get a license number. Something like: RCWDBXXXXXXXXXXX. Ask [[en:help:energocentrum-plus|]].

==== Windows ====

{{ :en:mervis-db:hwinfo2.png?nolink |}}

  - Download {{ :en:mervis-db:hwinfo2.zip |}}
  - Run ''ESG.Licenses.HwInfo.exe'' and create ''.hwdesc'' file using a valid license number.
  - Get [[en:mervis-db:100-license|activation ".licact" file]] from: https://licenses.rcware.eu/new/
  - Unpack Mervis DB files into some folder on your drive.
  - Copy the ''.licact'' file next to the ''ESG.Db.Server.Host.exe''.
  - To install Mervis DB as a Windows service run from [[https://www.google.com/search?&q=Elevated+Command+Prompt|Elevated Command Prompt]] something like: <code>ESG.Db.Server.Host.exe --installService --configFile ESG.Db.Server.Host.exe.config --instanceName MyMervisDbInstance</code>
  - More instances of Mervis DB can be installed (the --instanceName parameter). This is subject to the licensing policy.
  - For more options see: <code>ESG.Db.Server.Host.exe --help</code>
  - Change configuration in ''ESG.Db.Server.Host.exe.config'' as you like. The minimum is to set appropriately: 
    * PermanentFilesPath
    * LogsPath
    * InfrastructureDataPath 
    * Name and Password for administration
  - Log into the administration (default http://localhost:11112/)
    * Name and password can be set in ''ESG.Db.Server.Host.exe.config''
  - Create at least one User that can access the database
  - Configure Firewall to allow access to Administration, Monitoring and data API as needed.

<jumbotron>Don't allow public access to Administration, Monitoring or data API!</jumbotron>

==== Storing data from Mervis PLC ====

You can save data directly from Mervis PLC to Mervis DB. You need to install special ASP.NET interface called: [[en:mervis-db:installation:spdba|SPDBA]]