Add RHEL 9 (+ derivatives) install guide (#5721)

* rhel->rhel8 rename of the include file for install guides

* Add RHEL 9

* Add Alma, Oracle, and Rocky Linux 9 pre-emptively

* Add Alma Linux 9 EOL date

docs/install_guides/_includes/install-guide-rhel9-derivatives.rst

@@ -0,0 +1,20 @@
+.. include:: _includes/supported-arch-x64+aarch64.rst
+
+.. include:: _includes/linux-preamble.rst
+
+-------------------------------
+Installing the pre-requirements
+-------------------------------
+
+Red Hat Enterprise Linux (RHEL) 9 and its derivatives have all required packages available in official repositories.
+Install them with dnf:
+
+.. prompt:: bash
+
+    sudo dnf -y install python39 git java-11-openjdk-headless @development nano
+
+.. Include common instructions:
+
+.. include:: _includes/create-env-with-venv.rst
+
+.. include:: _includes/install-and-setup-red-unix.rst

docs/install_guides/alma-linux-8.rst

@@ -4,4 +4,4 @@
 Installing Red on Alma Linux 8.4-8.x
 ====================================
 
-.. include:: _includes/install-guide-rhel-derivatives.rst
+.. include:: _includes/install-guide-rhel8-derivatives.rst

docs/install_guides/alma-linux-9.rst

@@ -0,0 +1,7 @@
+.. _install-alma-linux-9:
+
+==============================
+Installing Red on Alma Linux 9
+==============================
+
+.. include:: _includes/install-guide-rhel9-derivatives.rst

docs/install_guides/centos-stream-8.rst

@@ -4,4 +4,4 @@
 Installing Red on CentOS Stream 8
 =================================
 
-.. include:: _includes/install-guide-rhel-derivatives.rst
+.. include:: _includes/install-guide-rhel8-derivatives.rst

docs/install_guides/centos-stream-9.rst

@@ -4,15 +4,4 @@
 Installing Red on CentOS Stream 9
 =================================
 
-CentOS Stream 9 has all required packages available in official repositories.
-Install them with dnf:
-
-.. prompt:: bash
-
-    sudo dnf -y install python39 git java-11-openjdk-headless @development nano
-
-.. Include common instructions:
-
-.. include:: _includes/create-env-with-venv.rst
-
-.. include:: _includes/install-and-setup-red-unix.rst
+.. include:: _includes/install-guide-rhel9-derivatives.rst

docs/install_guides/index.rst

@@ -14,6 +14,7 @@ we recommend **Ubuntu 22.04 LTS**.
    windows
    mac
    alma-linux-8
+   alma-linux-9
    arch
    centos-7
    centos-stream-8
@@ -24,10 +25,13 @@ we recommend **Ubuntu 22.04 LTS**.
    opensuse-leap-15
    opensuse-tumbleweed
    oracle-linux-8
+   oracle-linux-9
    raspberry-pi-os-10
    raspberry-pi-os-11
    rhel-8
+   rhel-9
    rocky-linux-8
+   rocky-linux-9
    ubuntu-1804
    ubuntu-2004
    ubuntu-2204

docs/install_guides/oracle-linux-8.rst

@@ -4,4 +4,4 @@
 Installing Red on Oracle Linux 8.4-8.x
 ======================================
 
-.. include:: _includes/install-guide-rhel-derivatives.rst
+.. include:: _includes/install-guide-rhel8-derivatives.rst

docs/install_guides/oracle-linux-9.rst

@@ -0,0 +1,7 @@
+.. _install-oracle-linux-9:
+
+================================
+Installing Red on Oracle Linux 9
+================================
+
+.. include:: _includes/install-guide-rhel9-derivatives.rst

docs/install_guides/rhel-8.rst

@@ -4,4 +4,4 @@
 Installing Red on Red Hat Enterprise Linux (RHEL) 8.4-8.x
 =========================================================
 
-.. include:: _includes/install-guide-rhel-derivatives.rst
+.. include:: _includes/install-guide-rhel8-derivatives.rst

docs/install_guides/rhel-9.rst

@@ -0,0 +1,7 @@
+.. _install-rhel-9:
+
+===================================================
+Installing Red on Red Hat Enterprise Linux (RHEL) 9
+===================================================
+
+.. include:: _includes/install-guide-rhel9-derivatives.rst

docs/install_guides/rocky-linux-8.rst

@@ -4,4 +4,4 @@
 Installing Red on Rocky Linux 8
 ===============================
 
-.. include:: _includes/install-guide-rhel-derivatives.rst
+.. include:: _includes/install-guide-rhel8-derivatives.rst

docs/install_guides/rocky-linux-9.rst

@@ -0,0 +1,7 @@
+.. _install-rocky-linux-9:
+
+===============================
+Installing Red on Rocky Linux 9
+===============================
+
+.. include:: _includes/install-guide-rhel9-derivatives.rst