download ubuntu server (https://ubuntu.com/download/server/thank-you?version=25.04&architecture=amd64)
prepare USB flash drive with BalenaEtcher (https://etcher.balena.io/)
install ubuntu minimal server, do not forget to configure network interfaces and install openssh.
once install is complete, reboot machine and confirm that you can ssh with your user account.
install bluetooth if your system have it 
	sudo apt install bluetooth bluez
install docker engine (https://docs.docker.com/engine/install/ubuntu/)
	for pkg in docker.io docker-doc docker-compose docker-compose-v2 podman-docker containerd runc; do sudo apt-get remove $pkg; done
	sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
configure docker to run from non-root user (https://docs.docker.com/engine/install/linux-postinstall/#manage-docker-as-a-non-root-user)
	sudo groupadd docker
	sudo usermod -aG docker $USER
install homeassistant, configuration will be store localy in /apps/homeassistant/config folder
	sudo mkdir -p /apps/homeassistant/config; sudo chown -R $USER /apps/homeassistant/config; sudo chmod -R 0755 /apps/homeassistant/config
	docker run -d --name homeassistant --privileged --restart=unless-stopped -e TZ=America/Toronto -v /apps/homeassistant/config:/config -v /run/dbus:/run/dbus:ro --network=host ghcr.io/home-assistant/home-assistant:2025.9
homeassistant is available on port 8123 on your ubuntu server

my additional configuration steps

# configure homeassistant to use postgres
	docker stop homeassistant; docker rm homeassistant
	sudo rm /apps/homeassistant/config/home-assistant_v2.db
	echo "recorder:" >> /apps/homeassistant/config/configuration.yaml
	echo "  db_url: postgresql://dbuser:mysecretpassword@10.0.0.15/homeassistant-db" >> /apps/homeassistant/config/configuration.yaml

# install postgress, data will be store localy in /apps/postgresql/data folder
	sudo mkdir -p /apps/postgresql/data; sudo chown -R $USER /apps/postgresql/data; sudo chmod -R 0755 /apps/postgresql/data
	docker run -d --name homeassistant-db --restart=unless-stopped -p 5432:5432 -e POSTGRES_DB=homeassistant-db -e POSTGRES_USER=dbuser -e POSTGRES_PASSWORD=mysecretpassword -e PGDATA=/var/lib/postgresql/data/pgdata -v /apps/postgresql/data:/var/lib/postgresql/data postgres

# install mqtt server https://hub.docker.com/_/eclipse-mosquitto https://www.digitalocean.com/community/tutorials/how-to-install-and-secure-the-mosquitto-mqtt-messaging-broker-on-ubuntu-18-04
	sudo mkdir -p /apps/mosquitto/config /apps/mosquitto/data /apps/mosquitto/log; sudo chown -R $USER /apps/mosquitto; sudo chmod -R 0755 /apps/mosquitto
	echo "listen 1883
	persistence true
	persistence_location /mosquitto/data/
	log_dest file /mosquitto/log/mosquitto.log
	allow_anonymous false
	password_file /mosquitto/config/passwd" >> /apps/mosquitto/config/mosquitto.conf
	docker run -d --restart=unless-stopped --name mqtt  -p 1883:1883 -v "/apps/mosquitto/config:/mosquitto/config" -v "/apps/mosquitto/data:/mosquitto/data" -v "/apps/mosquitto/log:/mosquitto/log" eclipse-mosquitto
	docker exec mqtt mosquitto_passwd -b -c /mosquitto/config/passwd mqtt-user mqtt-password
	#https://www.home-assistant.io/integrations/mqtt

# install zigbee2mqtt https://www.zigbee2mqtt.io/guide/installation/02_docker.html#running-the-container
	sudo mkdir -p /apps/zigbee2mqtt/data; sudo chown -R $USER /apps/zigbee2mqtt; sudo chmod -R 0755 /apps/zigbee2mqtt
	ls -l /dev/serial/by-id
	docker run -d --name zigbee2mqtt --restart=unless-stopped --device=/dev/serial/by-id/usb-ITead_Sonoff_Zigbee_3.0_USB_Dongle_Plus_88729ed0803bec11a4d2a4957a0af07f-if00-port0:/dev/ttyUSB0 -p 8080:8080 -v /apps/zigbee2mqtt/data:/app/data -v /run/udev:/run/udev:ro -e TZ=America/Toronto ghcr.io/koenkk/zigbee2mqtt

# install matter server https://github.com/home-assistant-libs/python-matter-server/blob/main/docs/docker.md
	sudo mkdir -p /apps/matter/data; sudo chown -R $USER /apps/; sudo chmod -R 0755 /apps/
	docker run -d --name matter-server --restart=unless-stopped --security-opt apparmor=unconfined -v /apps/matter/data:/data -v /run/dbus:/run/dbus:ro --network=host ghcr.io/home-assistant-libs/python-matter-server:stable --storage-path /data --paa-root-cert-dir /data/credentials --bluetooth-adapter 0

# install rhasspy voice asistant service
	sudo mkdir -p /apps/rhasspy/profiles; sudo chown -R $USER /apps/; sudo chmod -R 0755 /apps/
	docker run -d -p 12101:12101 --name rhasspy --restart unless-stopped -v "/apps/rhasspy/profiles:/profiles" -v "/etc/localtime:/etc/localtime:ro" --device /dev/snd:/dev/snd rhasspy/rhasspy --user-profiles /profiles --profile ru

# install whisper
	sudo mkdir -p /apps/whisper/data; sudo chown -R $USER /apps/; sudo chmod -R 0755 /apps/
	docker run -d -p 10300:10300 --name whisper --restart unless-stopped -v /apps/whisper/data:/data rhasspy/wyoming-whisper --model tiny-int8 --language ru

# install piper
	sudo mkdir -p /apps/piper/data; sudo chown -R $USER /apps/; sudo chmod -R 0755 /apps/
	docker run -d -p 10200:10200 --name piper --restart unless-stopped -v /apps/piper/data:/data rhasspy/
wyoming-piper --voice ru_RU-irina-medium