Add news item about RHEL9 availability

docs/index.md

@@ -10,6 +10,36 @@
 
 Archive of [(Old) News](news/old-news).
 
+
+
+### Red Hat Enterprise Linux 9 available
+
+!!! note ""
+    18.05.2022
+
+<div class="news_block admonition quote">
+<pre>
+Dear Linux users,
+
+Red Hat Enterprise Linux (RHEL) 9  is now avilable for installation at CERN
+
+AIMS2 PXE boot targets:
+
+   RHEL_9_0_X86_64
+   RHEL_9_0_AARCH64
+
+Installation path:
+
+<a href="http://linuxsoft.cern.ch/enterprise/rhel/server/9/9.0/">http://linuxsoft.cern.ch/enterprise/rhel/server/9/9.0/</a>
+
+For more information about RHEL, please refer to <a href="https://linux.web.cern.ch/rhel">https://linux.web.cern.ch/rhel</a>
+
+Best regards,
+Ben Morrice for <a href="mailto:Linux.Support@cern.ch">Linux.Support@cern.ch</a>
+</pre>
+</div>
+
+
 ### CentOS Stream 9 available
 
 !!! note ""