If you happen to have a Fritzbox with VoIP capability it contains a SIP server and you can register SIP clients on it (e.g. Fritz App Fon, linphone, twinkle) and use them to phone internally.

You can use your phone with mobile connection (not WiFi) to check if it can see the file that you made available on your web server.

When I got my Pixel 8 Pro it asked me if I want to convert the physical SIM from my Xiaomi 9 SE (and disable the old SIM). I didn’t have to take off the case and move the SIM, so I liked it.

Don’t put it in /usr/bin, that’s where your package manager puts executables, not you. Other than that, do what you want. /usr/local/bin is good, or if it’s only for your user ~/bin, ~/local/bin or ~/.local/bin - I don’t care. Also just let your users decide where they want to put the script.

Check if MariaDB has that JSON datatype:

https://github.com/wallabag/wallabag/issues/6659#issuecomment-1602507604

I searched for “lomiri rotate screen” and found this page.

You could type the model of your phone and “audio adapter” or “3.5mm adapter” into a search engine. Maybe the phone already comes with an adapter.

Oops, sorry, I misread your question.

Did you check the wiki entry?

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Reading about Kernel processes and executing threads makes very little sense compared to a hardware core with two threads.

For me it’s the opposite: a hardware core “having two threads” still sounds a bit strange. It can run two threads at the same time. Maybe Intel should have invented a better name for the thread-runner-thingie.