My first server was called xenon because I misread Xeon for Xenon but I decided to stick with it. My new server is called argon. For beefy servers I will now go with noble gases. Now that I think about it maybe I will use other elements in the future. Bismut sounds cool.
I have only one cloud VM and called it firstborn. 🤷
All my PCs get names I like Aveline, Elisabeth, Amanda, Amelie, Astrid, Eve…
I have yet to decide on a naming scheme for mobile phones.
Networking hardware gets descriptive names for their location and purpose.
In linux user and group names don’t matter. Only the gid and uid matter. Think of user and group names as human names like domains are for IPS.
In docker when you use mounts, all your containers that want to share data must agree on the gid and uids.
In rootless docker and podman the subuids and subgids make it a little more complicated since IDs get mapped between host and container, but its still the IDs that matter.