How to clean reinstall hassio ?

1. stop services

systemctl stop hassio-supervisor.service
systemctl stop hassio-apparmor.service

2. stop docker container

docker ps #list containers
docker container stop @containerid # remove @containerid with image name start with homeassistant
docker container prune # remove all stopped containers

3. remove docker images

docker images # list all images
docker image remove @imagename # remove @imangename start with homeassistant

4. remove data when install hassio.

# if you install like this 'hassio_install.sh -m raspberrypi3 -d /share/ha_data', remove all data in /share/ha_data
rm -rf /share/ha_data
rm -f /etc/systemd/system/hassio-*