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Cockpit: Your entrypoint to the Containers Management World

Containers are one of the top trend today. Starting working or playing with them could be really hard also if you’ve well understood the theory at their base.

With this article I’ll try to show you some useful tips and tricks to start into containers world, thanks also to the great web interface provided by the Cockpit project.

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Cockpit overview

Cockpit is an interactive server admin interface.  You’ll find below some a of its great features:

  • Cockpit comes “out of the box” ready for the admin to interact with the system immediately, without installing stuff, configuring access controls, making choices, etc.
  • Cockpit has (as near as makes no difference) zero memory and process footprint on the server when not in use. The job of a server is not to show a pretty UI to admins, but to serve stuff to others. Cockpit starts on demand via socket activation and exits when not in use.
  • Cockpit does not take over your server in such a way that you can then only perform further configuration in Cockpit.
  • Cockpit itself does not have a predefined template or state for the server that it then imposes on the server. It is imperative configuration rather than declarative configuration.
  • Cockpit dynamically updates itself to reflect the current state of the server, within a time frame of a few seconds.
  • Cockpit is firewall friendly: it opens one port for browser connections: by default that is 9090.
  • Cockpit can look different on different operating systems, because it’s the UI for the OS, and not a external tool.
  • Cockpit is pluggable: it allows others to add additional UI pieces.

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