Update README.md

README.md

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 # weather
 Some pythonscripts that get weather data from SMHI and calculates evapotranspiration.
-
-Needs a mysql database:
+Create a user to run scripts:
+````
+useradd -s /usr/sbin/nologin -r -M -d /opt/weather weather
+````
+Clone repo:
+````
+git clone https://github.com/mickenordin/weather.git /opt/weather
+````
+Chown:
+````
+chown -R weather:weather /opt/weather
+````
+Create mysql database:
 
 ````
 mysql -e "CREATE DATABASE weather"
 mysql -e "CREATE USER 'weather'@'localhost' IDENTIFIED BY 'password'"
 mysql -e "GRANT ALL PRIVILEGES ON weather.* TO 'weather'@'localhost'"
 mysql weather < weather.sql
+````
+Configure and run:
+````
 vim weather.ini
 ./getweather.py
 ./aggregateweather.py