diff --git a/README.md b/README.md
index 4410e01..4a0505a 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,10 @@
 
 ## Admin handbook
 
+- All containers have `tmux` installed for shared hacking sessions.
+- A node exporter is installed and scraped by the Prometheus on `monitoring.berlin.ccc.de`
+- Most services provide a Grafana dashboard on `monitoring.berlin.ccc.de`
+
 ### Update a container
 
 ```shell
@@ -11,16 +15,23 @@ nix run .#apps.nixos-diff   # Show what changes would be applied
 nixos-rebuild switch        # Apply changes
 ```
 
-## Special things
+### Special things
 
 Production:
 
-- [Matrix](./README.matrix.md)
+- [Synapse (matrix.berlin.ccc.de)](./README.matrix.md)
+- [Postgres (sql.berlin.ccc.de)](./README.postgres.md)
+- [NGINX (www.berlin.ccc.de)](./README.www.md)
 
 Testing:
 
-- [Hedgedoc](./README.hedgedoc.md)
-- [Postgres](./README.postgres.md)
+- [Hedgedoc (md.berlin.ccc.de)](./README.hedgedoc.md)
+- [Grafana (monitoring.berlin.ccc.de)](./README.grafana.md)
+- [Prometheus (monitoring.berlin.ccc.de)](./README.prometheus.md)
+
+## Always looking for co-maintainers
+
+Wanna join the Admin team? Contact us!
 
 ---