it should get the TOC from the global _toc.yaml...

_toc.yml

@@ -17,6 +17,7 @@ chapters:
         - file: user-guide/putty
 
     - file: admin-guide/index
+      expand_sections: true
       sections:
         - file: admin-guide/architecture
         - file: admin-guide/configuration
@@ -43,6 +44,7 @@ chapters:
         - file: admin-guide/more
 
     - file: infrastructure-guide/index
+      expand_sections: true
       sections:
         - file: infrastructure-guide/infrastructure_systems
           sections:
@@ -59,6 +61,7 @@ chapters:
         - file: infrastructure-guide/troubleshooting
 
     - file: rhel8/index
+      expand_sections: true
       sections:
           - file: rhel8/installation
           - file: rhel8/software

admin-guide/configuration.md

@@ -1,14 +1,3 @@
----
-title: Configuration Guides
-description: Sysadmin Configuration Guides for Red Hat Enterprise Linux at PSI
-lead: ""
-date: 2023-05-09T10:48:23+00:00
-lastmod: 2023-05-09T10:48:23+00:00
-draft: false
-images: []
-toc: true
----
-
 # Configuration Guides
 
 Here starts a so far small collections of configuration guides for sysadmins of RHEL installations using Puppet and Hiera.