diff --git a/README.md b/README.md
index 8857d2a..363c830 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,26 @@
 - debian.ansible.basics
 - debian.ansible.docker
 - debian.ansible.traefik.server
+
+# Installation
+´´´
+ansible-playbook --connection=local --inventory $(hostname), --limit $(hostname) matrix.yml
+´´´
+
+# User Administration
+Admin User is created while installation.
+Username: mx-admin
+Password can be found with 
+´´´
+cat /home/docker/matrix.$(hostname)/env
+´´´
+Create a new user with
+´´´
+docker compose -f /home/docker/matrix.$(hostname)/docker-compose.yml exec -ti matrix.defiant.dedyn.io register_new_matrix_user -c /data/homeserver.yaml --no-admin http://localhost:8008
+´´´
+List users
+. /home/docker/matrix.$(hostname)/env ; docker compose -f /home/docker/matrix.$(hostname)/docker-compose.yml exec -ti matrix.defiant.dedyn.io--db psql -U $POSTGRES_USER -d synapse -c "SELECT name from users"
+
+
+# Debugging
+https://federationtester.matrix.org