this post was submitted on 05 Jan 2026
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Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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XMPP server, do some decentralised communication under your control. It will federate to other servers, allowing you to speak to other people and join public chats. An old Raspberry Pi should easily be able to server 100 or 200 users. Try Prosody for that or Snikket if you prefer containers and everything working out of the box.
You could also use it as a NAS, if you don't need a fast NAS. It will probably be enough to stream HD media using VLC on a cheap Android TV device/dongle.