this post was submitted on 25 Feb 2024
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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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Docker is a ~~developer~~* tool, not really something you should be using without some technical knowledge, or at least some experience in the terminal. It's purely a terminal application, so you just type "docker" in the terminal to use it. You can also type "man docker" to view the manual (which shows arguments and command you can use) but again, that won't help much without some prior knowledge.
The things you're trying to use look like self-hosted web servers, which is a lot to set up for someone who's new to the terminal. I won't stop you if you want, but be warned. I'd recommend using something simpler like cozy, which you should be able to find and download in the software store.
*Edit: it's not only a developer tool, it's used for deployment as well. I lumped the two together. It's still a tool made for people with more familiarity using the terminal though.
Docker is a deployment tool. Not a developer tool.
Unless you’re trying to simplify your deployment stack there isn’t really a compelling reason to install it unless you’re trying to learn something new for the fun of it.
With that said you need things to deploy to make it useful. Like a database server, web server, etc.
First, it's not. Second - so what if it is? Sounds like gatekeeping to me. They've expressed interest in learning how to use it, that's enough.
If they want to use it that's fine. I'm just cautioning against using a command line tool like that until they feel somewhat comfortable with the terminal.
The terminal is not some arcane source of dark power to be feared. It's one of the defining characteristics of the Linux ecosystem. Anybody looking to use Linux should be expecting to use it and tools that are built for it.
It's not like they could even really do any damage with docker either.