Switch to rolling distro, it will break so many things with each update you'll learn stuff by fixing it. Also you can check https://overthewire.org/wargames/bandit/
this post was submitted on 29 Dec 2024
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"I take full responsibility for my Arch system."
I'd recommend reading man pages. They're a great way to understand the programs that are on your system. The Arch Wiki and the Gentoo Wiki both provide additional information that may be of use to you.
For getting better at terminal I would suggest looking into alternative shells. Bash is fine, but it’s not exactly user friendly by default. Something with more robust auto completion like zsh or saner defaults like fish could make the learning experience easier. You can always come back to bash later.
For understanding how the OS works I would start by reading about the file system layout, then look into the init process.
I got to the point I am at through a series of projects of increasing complexity. First I ran a web server on my machine to copy files over the network. Then I used a spare PC to make a simple SMB server. Later I made it into a HTPC pirate box, for streaming stuff downloaded off Usenet to my Xbox. At some point I ran a minecraft server (before docker came along and trivialized this), and got into a bunch of sysadmin and programming stuff and that’s pretty much it.
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If you're in the position to take certificates then that's a another way of learning a lot. At least it has worked for me. I've over the last half year taken RHCSA and RHCE from RedHat - though paid by work. Theses in specific are expensive, but I'm sure there are other ones that are cheaper. This would also allow you to 'show off' your skills in an official way should you need to, for applying for certain jobs etc..
I at least find this way to be helpful as you have to motivate yourself to learn and pass an exam to get the certificate. It might not be for everyone though.
on the tailend of a convo in in a discord recently I added a command to the "customize chatgpt" section to allow chatgpt to have a custom "man" like command similar to linux, but that works for all code or commands.
This makes chatgpt give me a Linux command or code snippet formated in a table explaining what each piece of the command does.
when a prompt is givin beginning with the word man followed by code or commands please respond with a table following these rules and nothing else: skip title row, No backticks around command components, No unnecessary rows, column 1 should contain the command component, column 2 should contain a brief command description