Dedicated server
Installing Docker manually on a server does not differ much from the local installation.
Two additional steps are required that include setting the Docker daemon to listen on the network socket and setting security certificates.
Let's start from the first step. By default, due to security reasons, Docker runs via a non-networked Unix socket that only allows local communication. It's necessary to add listening on the chosen network interface socket so that the external clients can connect. https://docs.docker.com/engine/admin/ describes in detail all the configuration steps needed for each Linux distribution.
In the case of Ubuntu, the Docker daemon is configured by the systemd, so in order to change the configuration of how ...
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