RASA create and activate event without miniconda

python3 -m venv rasa_env

and then run the command below

source rasa_env/bin/activate

if RASA is not installed, you may have to run

pip install rasa

remove an existing environment and create fresh environment in ubuntu

deactivate

rm -rf rasa_env

python3.10 -m venv rasa_env
# alternatively check the python version and use that version only python with version like below
python -m venv rasa_env

source rasa_env/bin/activate
# in windows command is
.\rasa_env\Scripts\Activate

pip install rasa

rasa init