Cockpit

An open-source easy-to-use web-based server manager

Screenshots

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Hunter's comment

Now let me show you with an open source web-based application that is commonly used by System administrators to manage servers.

Cockpit is a remote manager for Linux servers that is easy to use, lightweight, simple but powerful. The user interface makes it possible to view live Linux sessions through a web browser, if you work as SysAdmin, you must have heard or even used this Cockpit.

Link

https://cockpit-project.org/