Fix admin_manual warnings

Signed-off-by: Joas Schilling <coding@schilljs.com>

admin_manual/configuration_server/caching_configuration.rst

@@ -305,6 +305,8 @@ prevent session corruption when using Redis as your session handler: ::
 More information on configuration of phpredis session handler can be found on the
 `PhpRedis GitHub page <https://github.com/phpredis/phpredis>`_
 
+..  _install_redis_label:
+
 Additional Redis installation help
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

admin_manual/configuration_server/dashboard_configuration.rst

@@ -5,7 +5,7 @@ Dashboard app
 The Nextcloud Dashboard is your starting point of the day, giving users an overview of your upcoming appointments, urgent emails, chat messages, incoming tickets, latest tweets and much more! Users can add the widgets they like and change the background to their liking.
 
 Enabling the dashboard app
--------------------------
+--------------------------
 
 The Dashboard App is shipped and enabled by default. If it is not enabled
 simply go to your Nextcloud Apps page to enable it.
@@ -27,4 +27,4 @@ The default layout of the dashboard for all users can be set with the following
 
   occ config:app:set dashboard layout --value="files,activity,calendar"
 
-Changing the default layout will not affect existing users that already have a custom layout stored.
+Changing the default layout will not affect existing users that already have a custom layout stored.

admin_manual/installation/example_ubuntu.rst

@@ -1,5 +1,6 @@
 .. _ubuntu_installation_label:
 
+========================================
 Example installation on Ubuntu 22.04 LTS
 ========================================
 
@@ -13,7 +14,9 @@ following commands in a terminal::
 
 * This installs the packages for the Nextcloud core system. 
   If you are planning on running additional apps, keep in mind that they might
-  require additional packages.  See :ref:`prerequisites_label` for details.
+  require additional packages.  See `Prerequisites for manual installation <https://docs.nextcloud.com/server/latest/admin_manual/installation/source_installation.html#prerequisites-for-manual-installation>`_ for details.
+
+.. TODO ON RELEASE: Update version number above on release
 
 Now you need to create a database user and the database itself by using the
 MySQL command line interface. The database tables will be created by Nextcloud

admin_manual/installation/nginx.rst

@@ -24,7 +24,7 @@ NGINX configuration
 - Some environments might need a ``cgi.fix_pathinfo`` set to ``1`` in their
   ``php.ini``.
 
-.. nginx_webroot_example:
+.. _nginx_webroot_example:
 
 Nextcloud in the webroot of NGINX
 ---------------------------------
@@ -36,7 +36,7 @@ webroot of your nginx installation. In this example it is
 .. literalinclude:: nginx-root.conf.sample
    :language: nginx
 
-.. nginx_subdir_example:
+.. _nginx_subdir_example:
 
 Nextcloud in a subdir of the NGINX webroot
 ------------------------------------------
@@ -59,7 +59,7 @@ The configuration differs from the "Nextcloud in webroot" configuration above in
 Tips and tricks
 ---------------
 
-.. nginx_php_handler_tips:
+.. _nginx_php_handler_tips:
 
 PHP-Handler Configuration / Avoiding "502 Bad Gateway"
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

admin_manual/installation/source_installation.rst

@@ -502,14 +502,14 @@ Installation via install script
 
 One of the easiest ways of installing is to use the Nextcloud VM or NextcloudPI scripts. It's basically just two steps:
 
-1. Download the latest `installation script <https://github.com/nextcloud/vm/blob/master/nextcloud_install_production.sh/>`_.
+1. Download the latest `VM installation script <https://github.com/nextcloud/vm/blob/master/nextcloud_install_production.sh/>`_.
 2. Run the script with::
 
     sudo bash nextcloud_install_production.sh
     
 or
 
-1. Download the latest `installation script <https://raw.githubusercontent.com/nextcloud/nextcloudpi/master/install.sh/>`_.
+1. Download the latest `PI installation script <https://raw.githubusercontent.com/nextcloud/nextcloudpi/master/install.sh/>`_.
 2. Run the script with::
 
     sudo bash install.sh

admin_manual/release_notes.rst

@@ -1,3 +1,5 @@
+:orphan:
+
 =============
 Release notes
 =============