Improve documentation

doc/install_ontop.md

@@ -1,6 +1,12 @@
 # Installation on existing client
 
-An easy method to test the lmn-client is to run the playbook manual on a fresh installed client.
+A straightforward way to test the lmn-client is to manually run the playbook on a freshly installed client.
+
+This can be done in the following ways:
+
+    On the client using ansible-pull
+    On the client by checking out the lmn-client repository and running the playbook locally
+    On a target device by checking out the lmn-client repository locally and executing the playbook against the target device
 
 ## Direct call via ansible-pull
 
@@ -9,10 +15,10 @@ With two simple commands you can install the lmn-client with default configurati
 Steps:
 
 * Install debian on client (via USB or PXE)
-* Install additional packages: ansible
+* Install additional packages: ansible  
   `sudo apt install ansible`
-* Run Playbook
-  `ansible-pull -i inventory.yml -l localhost, --url=https://codeberg.org/DigitalSouveraeneSchule/lmn-client.git -C main lmn-client.yml`
+* Run Playbook  
+  `sudo ansible-pull --verbose -i inventory-sample.yml -l localhost --url=https://codeberg.org/DigitalSouveraeneSchule/lmn-client.git -C main lmn-client.yml`
 
 ## Checkout git and run ansible locally
 
@@ -24,10 +30,12 @@ Steps:
 * Install debian on client (via USB or PXE)
 * Install additional packages: ansible, git  
   `sudo apt install ansible git`
-* Checkout Repository
+* Checkout Repository  
   `git clone https://codeberg.org/DigitalSouveraeneSchule/lmn-client.git`
+* Change into repository directory  
+  `cd lmn-client`
 * Create inventory  
-  `cp inventory.yml inventory-myschool.yml`
+  `cp inventory-sample.yml inventory-myschool.yml`
 * Edit inventory-myschool.yml  
   e.g.: `nano inventory-myschool.yml`
 * Run Playbook