#70 update installation guide

installation/install-guide.md

@@ -1,5 +1,14 @@
 # Installation Guide
-This guide applies to Cortex 2 and newer only.
+
+---
+⚠️   _**Please read carrefully this documentation. Depending on you make a fresh installation or update an existing version, repository or packages names may vary.**_
+
+Current supported versions of Cortex are:
+- Version 3.1.0 and later that supports **only** Elasticsearch 7.x.
+
+Instruction to  install Cortex supporting Elasticsearch 6.x (EoL in Nov. 2020) are still detailled in this documentation. 
+
+---
 
 Before installing Cortex, you need to choose the installation option which suits your environment as described below, install the analyzers then proceed to the configuration using the [Quick Start Guide](../admin/quick-start.md). For more advanced configuration options, please refer to the [Administration Guide](../admin/admin-guide.md).
 
@@ -45,26 +54,58 @@ Run the following command to import the GPG key :
 sudo rpm --import https://raw.githubusercontent.com/TheHive-Project/TheHive/master/PGP-PUBLIC-KEY
 ```
 
+---
 
-#### Stable versions
+#### Release versions
+
+The release repository contains packages for **Cortex 3.1.0+**.
 
-And setup your system to connect the RPM repository. Create and edit the file `/etc/yum.repos.d/thehive-project.repo`:
+
+
+Setup your system to connect the RPM repository. Create and edit the file `/etc/yum.repos.d/thehive-project.repo`:
 
 ```bash
 [thehive-project]
 enabled=1
 priority=1
 name=TheHive-Project RPM repository
-baseurl=http://rpm.thehive-project.org/stable/es7
+baseurl=https://rpm.thehive-project.org/release/noarch
 gpgcheck=1
 ```
 
-Then you will able to install the package using `yum`:
+Then you will able to install  **Cortex 3.1.0+**  the package using `yum`:
+
+```bash
+yum install cortex
+```
+
+---
+
+
+#### Stable versions (or legacy versions)
+
+
+The main repository  is a legacy repository and contains packages for **Cortex 3.0.1** that **does not support Elasticsearch version 7.x**, but version 6.x.
+
+Setup your system to connect the RPM repository. Create and edit the file `/etc/yum.repos.d/thehive-project.repo`:
+
+```bash
+[thehive-project]
+enabled=1
+priority=1
+name=TheHive-Project RPM repository
+baseurl=https://rpm.thehive-project.org/stable/noarch
+gpgcheck=1
+```
+
+Then you will able to install **Cortex 3.0.1** package using `yum`:
 
 ```bash
 yum install cortex
 ```
 
+---
+
 #### Following beta versions
 
 To follow beta versions of Cortex, use the following setup:
@@ -86,7 +127,7 @@ Then you will able to install the package using `yum`:
 yum install cortex
 ```
 
-⚠️ **We do not recommend that configuration for production servers**
+⚠️   **We do not recommend that configuration for production servers**
 
 Once the package is installed, [install the analyzers](#analyzers-and-responders) as outlined in the next section and proceed to the configuration using the [Quick Start Guide](../admin/quick-start.md). For more advanced configuration options, please refer to the [Administration Guide](../admin/admin-guide.md).
 
@@ -96,15 +137,46 @@ Debian packages are published on a our DEB packages repository. All packages are
 
 `0CD5 AC59 DE5C 5A8E 0EE1  3849 3D99 BB18 562C BC1C`
 
+#### Release versions
+
+---
+The release repository contains packages for **Cortex 3.1.0+**.
+
+---
+
+Setup apt configuration  with the `release` repository:
+
+```bash
+curl https://raw.githubusercontent.com/TheHive-Project/TheHive/master/PGP-PUBLIC-KEY | sudo apt-key add -
+echo 'deb https://deb.thehive-project.org release main' | sudo tee -a /etc/apt/sources.list.d/thehive-project.list
+sudo apt-get update
+```
+
+Then you will able to install  **Cortex 3.1.0+**  the package using `apt` command:
+
+```bash
+apt install cortex
+```
+
 #### Stable versions
 
-To install the  Debian package, use the following commands:
+---
+The main repository  is a legacy repository and contains packages for **Cortex 3.1.0** that **does not support Elasticsearch version 7.x**, but version 6.x.
+
+---
+
+Setup apt configuration  with the `main` repository:
 
 ```bash
 curl https://raw.githubusercontent.com/TheHive-Project/TheHive/master/PGP-PUBLIC-KEY | sudo apt-key add -
-echo 'deb https://deb.thehive-project.org stable main es7' | sudo tee -a /etc/apt/sources.list.d/thehive-project.list
+echo 'deb https://deb.thehive-project.org main main' | sudo tee -a /etc/apt/sources.list.d/thehive-project.list
 sudo apt-get update
-sudo apt-get install cortex
+```
+
+Then you will able to install  **Cortex 3.1.0+**   package using `apt` command:
+
+```bash
+apt install cortex
 ```
 
 #### Following beta versions
@@ -118,7 +190,7 @@ sudo apt-get update
 sudo apt-get install cortex
 ```
 
-⚠️ **We do not recommend that configuration for production servers**
+⚠️   **We do not recommend that configuration for production servers**
 
 ### Docker
 To use the Docker image, you must use [Docker](https://www.docker.com/) (courtesy of Captain Obvious).