Usage for Ubuntu 20.10 and newer

Install podman: sudo apt -y install podman runc buildah skopeo.

Setup /etc/containers/registries.conf.

[registries.search]
registries = ['quay.io', 'docker.io']

Clear outdated images: podman rmi -a -f
Import podman image: podman load -q -i mint-TIMESTAMP.tar.

Enjoy it!

# for the first time start
./docker/ubuntu/first.sh
# fot the next time start
./docker/ubuntu/next.sh
# start servers
> sudo supervisord -c /etc/supervisor/supervisord.conf
> netstat -ant | grep 'LISTEN'
# connect to redis
> redis-cli
# connect to postgresql
> psql -U postgres -h 127.0.0.1 -p 5433