Update for RHEL

Add EL8 case.
Add links

Few fixes:
RHEL is the distro, Red Hat is the editor

Signed-off-by: Nicolas Chauvet <kwizart@gmail.com>

gettingstarted/setup/linux/redhat.rst

@@ -3,24 +3,55 @@
 Red Hat
 =======
 
-Adapted (annotated) from https://www.videolan.org/vlc/download-redhat.html:
 
-Red Hat/CentOS/Scientific Linux have almost the same setups (they're all derived from Red Hat). Red Hat and derivatives have different instructions if EPEL (Extra Packages for Enterprise Linux) is not set up. Red Hat Network (RHN) users should verify that they have enabled the optionals and extras channels for RHN subscriptions.
+RHEL/CentOS/Scientific Linux have almost the same setups (they're all derived from RHEL). RHEL and derivatives have different instructions if EPEL (Extra Packages for Enterprise Linux) is not set up. Red Hat Network (RHN) users should verify that they have enabled the optionals and extras channels for RHN subscriptions.
+See also `EPEL<https://fedoraproject.org/wiki/EPEL>\_.
 
-If you want to have DVD playback ability, you will need to install the libdvdcss package too (source).
+For the latest version (up to the now-current version 3.0.x) use RPM Fusion:
+See also the `Configuration<https://rpmfusion.org/Configuration>`_.
 
-For the latest version (up to the now-current version 3.0.6) use RPM Fusion, otherwise VLC branches 2.0.x and 2.2.x are available: Red Hat/CentOS/Scientific Linux 7: (vlc-2.2.x – branch available for x86_64 architectures)
+Please report "packaging bugs" on `Bugzilla<https://bugzilla.rpmfusion.org/>`_.
+
+If you want to have DVD playback ability, you will need to install the libdvdcss package too.
+
+
+RHEL/CentOS 8: (vlc-3.0.x - available for x86_64, aarch64 and ppc64le architectures)
+
+.. code-block::
+
+    $> su -
+        # Only for RHEL7 (not needed on CentOS):
+        #> subscription-manager repos --enable "codeready-builder-for-rhel-8-*-rpms"
+        # Only for CentOS7 (not needed on RHEL):
+        #> yum config-manager --enable PowerTools # Only for CentOS
+        # For all:
+        #> yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
+        #> yum install https://download1.rpmfusion.org/free/el/rpmfusion-free-release-8.noarch.rpm
+        #> yum install vlc
+        #> yum install vlc-core             # (for minimal headless/server install)
+        #> yum install python-vlc npapi-vlc # (optionals)
+        #> yum install rpmfusion-free-release-tainted # to access tainted repository (optional)
+        #> yum install libdvdcss            # (for DVD Playback)
+
+
+RHEL/CentOS/Scientific Linux 7: (vlc-3.0.x - available for x86_64 architectures)
 
 .. code-block::
 
     $> su -
+        # Only for RHEL7 (not needed on CentOS):
+        #> subscription-manager repos --enable "rhel-*-optional-rpms" --enable "rhel-*-extras-rpms"  --enable "rhel-ha-for-rhel-*-server-rpms"
+        # For all:
         #> yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
         #> yum install https://download1.rpmfusion.org/free/el/rpmfusion-free-release-7.noarch.rpm
         #> yum install vlc
         #> yum install vlc-core             # (for minimal headless/server install)
         #> yum install python-vlc npapi-vlc # (optionals)
+        #> yum install rpmfusion-free-release-tainted # to access tainted repository (optional)
+        #> yum install libdvdcss            # (for DVD Playback)
+
 
-Red Hat/CentOS/Scientific Linux 6: (vlc-2.0.x branch – available for i686 and x86_64 architectures)
+RHEL/CentOS/Scientific Linux 6: (vlc-2.0.x - available for i686 and x86_64 architectures)
 
 .. code-block::
 
@@ -29,4 +60,6 @@ Red Hat/CentOS/Scientific Linux 6: (vlc-2.0.x branch – available for i686 and
         #> yum install https://download1.rpmfusion.org/free/el/rpmfusion-free-release-6.noarch.rpm
         #> yum install vlc
         #> yum install vlc-core             # (for minimal headless/server install)
-        #> yum install python-vlc npapi-vlc # (optionals)
\ No newline at end of file
+        #> yum install python-vlc npapi-vlc # (optionals)
+        #> yum install rpmfusion-free-release-tainted # to access tainted repository (optional)
+        #> yum install libdvdcss            # (for DVD Playback)