I usually name mine after songs that I happen to be listening to at the moment.

I use Grecian gods, based as much as possible after what they do. Towards the end it kinda breaks down.

Kronos - Primary Proxmox
Hera - Ubuntu Server VM
Charon - Pihole VM
Hades - Secondary Proxmox
Ares - Gaming Desktop
Hestia - Home assistant
Artemis - Laptop
Hermes - Roomba
Orpheus - Torrent box
Hermes - Pixel 6 Pro

I name all my computers after NZ Birds in our native language Māori. So far I have used, Pukeko, Takahe, Kakapo, Weka, Ruru, Piwakawaka and my latest laptop Kahu

I go with main character names from good anime. So Kusanagi, Vash, Lelouch, Kakashi, etc.

I used to invent "funny" names, but at some point it became a chore and I also found I'm forgetting some names or spelling when I need it.

Call me boring, but doing enterprise system admin jobs for years I recently started to adopt functional naming convention.

This is what I have now: [location code][OS code][type vm/ct][environment code][workload][index]

So the first production DB linux VM in my primary Los Angeles location will be named LA1LVMPDB1 And my second test Nextcloud container hosted in the same location will be named LA2LCTTNC2.

I still have to invent short names for workload, which is harder for specialized containers, but overall this makes it all more manageable.

All my homelab stuff is boring. Host machine names are just 'model ' + '-' + 'increment'. VMs and containers are either service or service + increment.

Whimsical names and themes are fun, but don't scale and I need the mental bandwidth for other things than mapping service to machine etc.

I do Reboot characters, since I'm old! Kind of running low now but I call each of my phones Glitch and it makes me very happy.

My main machine is Suckup (Second Universal Cybernetic-Kinetic Ultra-Micro Programmer), my laptop is Tuckup (Third Universal etc), my phone is Keitaichan (keitai being Japanese for mobile phone), my tablet is Tabbuchan (from Japanese taburetto for tablet), my NAS is Shinochan (from shinorojii, Japanese for Synology), because I am absolutely insufferable and unimaginative and I crack myself up.

I use the names of chemical elements, but with two twists: I assign them in the order in which they appear in the song "The Elements" by Tom Lehrer, and I use the German names. So I have (or had), among others, Wasserstoff, Sauerstoff, Stickstoff, etc ...

US states. If I have more than 50 different host names to manage, I should re-evaluate my hobbies. And then lazily move on to US state capitals.

I use Roman authors, with the machine/VM's purpose (often vaguely) linked to what the author was known for. For example, my NAS is called Tacitus (a historian), while my game server is called Plautus (a playwright). A couple services predate my schema (like my Pihole and OPNSense box) and are named descriptively.

"People" names that are alliterative with the actual machine type. E.g. PeterPi, WillWhitebox, NancyNAS, LarryLePotato

I name devices after Greek Gods / Goddesses. My main server is called Olympus.

On my labs cluster they are named after famous physicists

Russian spacecraft and rockets.

Currently I have N1 as my home server and my desktop is Energia. I've previously had Proton and Soyuz etc.

I don't have a very consistent naming theme. I've used various names related to music, science, and art. I have a decomissioned machine named "numbers" for example.

However, I would like to point out we have plenty more than 8 celestial bodies of interest in the solar system if you include Eris, Ceres, Pluto, Makemake, the moons of Jupiter, and more. It might not be indefinitely extendable, but may help in the short term.

Characters from the hitchhikers guide to the galaxy. Zaphod, Prosser, Arthur, slartibartfast etc

VPS/servers after particles. Quark, Boson, Hadron etc

All of my servers are named after characters from the Dragon Ball universe.

Don't recommend doing an 'obscured' naming scheme,, hate having to refer to a spreadsheet to know what server does what because I tend to spin up a lot of random stuff. Highly recommend using functional names that are easy for your brain to remember, like an acronym for whatever service or types of services it's running.

Names of Greek letters.

Alpha, Beta, Delta, Epsilon...

WoW places. Since some of my servers died, I'm currently only sitting on dark portal (Firewall), and the Stranglethorn Valley server with Gurubashi Arena (Plex), Booty Bay (you can imagine) and wild shore (shared file system VM)

Just stupid puns that come to mind when I set it up. Synology NAS is "Rainy" since the box had "be your own cloud" written on it. M1 MacBook is "Apple Pie" because being ARM it's just a big Raspberry Pi right? Etc

Lowercaps Dwarfplanets. chaos, orcus, ixion, ceres, haumea, makemake, etc. DHCP/router is named sol

I recently switched to using the periodic table. I made myself a nice little spreadsheet to keep track of it all. I used to name hosts after random stuff like cereal, snacks, or just plain old [my first name]-desktop.

Star types, stellar objects, planet names, etc...

Started with Evangelion Magi naming and now I just use the pet name generator in Terraform.

Random_pet

You gotta have the concepts the machines are named after change as the nature of the machine changes (and bonus points if the nature of the concept is analogous to the nature of the machine). E.g. if my main machines were planets, then when I added servers they would be named after space hardware (hubble, webb, iss, etc). Raspberry Pis can be ceres, eros, vesta, juno, etc. It actually genuinely helps by distributing around within your brain the placement of which machine corresponds to which concept or which name, and also it frees up more names when you start having tons of machines in different categories.

I've had tons of naming schemes over the years (chemical elements and classic video games were two that I used for different banks of machines) and I've done that system with good results.

Domestic no Kanojo is an anime that people describe as rubbish. Maybe it is, depending on where you're coming from, but I was invested in it, and so decided to honour the anime/manga by naming my servers "Hina Tachibana", "Natsuo Fujii", "Rui Tachibana" and "Miu Ashihara".

Fun fact: When AOL was still operating in Germany, internal servers in their network were named after characters / things from Asterix comics, like Asterix, Obelix, Idefix, Miraculix and even Hinkelstein (menhir). When Telecom Italia bought them up they unfortunately got rid of all these and replaced them with standard corpo server names. Source: I worked there.

I've been doing birds. So far I just have Cardinal, Bluebird, and Sparrow

Scientists/inventors for me - bonus points if I can find one related to the machine's purpose (Kodi machine named after a contributor to the TV for example)

Ship names from the expanse.

My PC is the Rocinante My home server was previously the Behemoth, put it in a smaller case so now it’s Medina.

I give them weird syntax names so if someone was to hack in the names wouldn't give away what they are immediately. I don't reuse numbers so that if I rebuild something it gets a new num.

Location-Ordinal-NetworkNum-Counter Eg AU-01-01-01

Containers are just their application name except where I have more than 1 then its Application01,02,etc.

I used to work in the GRASP lab at Penn, and my predecessor there was John Bradley of xv fame. He had started naming all the machines after fish.

When I got there I continued the practice, naming some tiny computers being used for mini robots after different types of goldfish.

In my current job, years ago, I managed a group of Linux servers, and I named them after Demons (Lucifer, Asmodeus, Azrael, Beelzebub, etc.).

At this point, there is a specific naming convention in use where I'm at, and the name is limited to identifying organization, application, and server type.

The names of people I know, but changed a bit to sound more cartoonish.

I have a weird one: years ago I called one machine "nudl" (like using one's noodle but with a weird spelling). Now I've got a few different nudls, a strudl, a dudl, and I think there's a pudl in the closet somewhere.

I’ve used Star Trek names before, but in general I’ve just started naming them what they’re used for (ex. Dev-Mint, StorageCore)

Star Trek ships at home. And Game of Thrones characters at work.

cakes then a different type of cake. ie cakesFlan

For my clients, we just use company shortcode+role, IE Northern Energy Exchange would be NEE-DC (domain controller) NEE-FS (file server) NEE-APP, NEE-DT-1 (desktop #1), NEE-LT-1 (laptop #1) etc. At home, my network is called Asgard and each device is related to that in some way, all themed appropriately.