Update install_steps_ubuntu.md

source/installation/install_steps_ubuntu.md

@@ -39,38 +39,33 @@ there might be better places compared to where I created it, but it works...
 **if the compiler prompts somthing like "error: linker 'cc' not found":**
 `sudo apt install build-essential`
 `cargo build --release`
+ 
 
 8. Copy the configuration files (best done with the GUI filemanager of Ubuntu)
 copy files from "bffh/examples"
 paste them into "bffh/target/release/examples"
 
 9. Install mosquitto MQTT broker
-Diflouroborane uses mosquitto MQTT broker to communicate with the Shellies. 
-`sudo apt-add-repository ppa:mosquitto-dev/mosquitto-ppa`
-`sudo apt-get update`
-`sudo apt-get install mosquitto`
-`sudo apt-get install mosquitto-clients`
-`sudo apt clean`
-*find out which linux release is installed (for Ubuntu -> google)*
-`uname -a`
-`sudo wget http://repo.mosquitto.org/debian/mosquitto-bullseye.list`
-*change "bullseye" according to your distro: bullseye, buster, stretch, jessie, ...*
+Diflouroborane uses mosquitto MQTT broker to communicate with the Shellies. Starting from Ubuntu version 18.04, Mosquitto is already inside the official repositories.
+`sudo apt update -y && sudo apt install mosquitto mosquitto-clients -y`
+
 
 10. Configuring mosquitto broker
 for some reason, starting with version 2.x mosquitto does not allow external communication via the broker per default. This needs to be changed via a config file:
 11. Stop mosquitto
 `sudo service mosquitto stop`
-12. Change into the "etc/mosquitto/" directory (lots of `cd ..` then `cd etc`, `cd mosquitto`)
-13. Create a configuration file:
-`sudo touch file test.conf`
-14. Edit the configuration fil:
-`sudo nano -w test.conf`
+12. Change into the "etc/mosquitto/" directory (lots of `cd ..` then `cd etc/mosquitto`)
+13. Edit the configuration fil:
+`sudo nano  mosquitto.conf`
 add:
 `listener 1883` 
 `allow_anonymous true`
 Save (Strg-O) and close (Strg-X)
-15. Start mosquitto
-`mosquitto -v -c /etc/mosquitto/test.conf`
+14. Enable mosquitto to start at each start of the system
+`sudo systemctl enable mosquitto`
+15. Restart the system.
+
+After restarting, the system is ready to be configured
 
 16. Find the IP adress of your computer
 **- new console**
@@ -128,4 +123,4 @@ To connect to the demo instance
 - press: "Connect to new Server"
 - press: "Demo Host Address"
 - User: "Testuser"
-- Passw: "secret"
+- Passw: "secret"