qjkxbmwvz

joined 9 months ago
[–] qjkxbmwvz@startrek.website 21 points 5 months ago (4 children)

I just say my name is Bigus Dickus whenever they call me. They usually hang up or insult me.

For the "car's extended warranty" I just tell them it's a 1969 Wayne Industries Batmobile. They usually just say they don't provide coverage for that car and hang up.

[–] qjkxbmwvz@startrek.website 2 points 6 months ago

Yeah, but where's Starfleet HQ?!

[–] qjkxbmwvz@startrek.website 2 points 6 months ago

Another option is to remove it and symlink it to a static version of your choosing. I believe NM won't replace a symlink. You can just remove the symlink when you're done and it should go back to normal...I think.

[–] qjkxbmwvz@startrek.website 3 points 6 months ago

Only additional thing I would do would be to try to ssh into it to. Sounds like that wouldn't have worked anyway. But if you can ssh into it while it's in a degraded-but-not-completely-borked state you can poke around, troubleshoot, and of course cleanly reboot.

[–] qjkxbmwvz@startrek.website 1 points 6 months ago* (last edited 6 months ago)

Googling around, you get about 1e11 kJ/gram of He produced (source.

Wikipedia says Hindenburg volume is 200,000 m cubed . Multiply by density of He at stp and you get north of 1e7 grams.

Multiply and you get 1e21 J. Estimate for worldwide energy consumption in 2010, from Wolfram Alpha, is half of that.

So, if all energy were from local fusion, it would take about two years of production to fill a single Hindenburg-sized Zeppelin. That is a huge amount of energy.

I don't think it's equivalent to compare energy with RAM like this. Energy is the realm of thermodynamics; things like boiling water don't care about technology, they just need a certain amount of energy. Unless we're talking about fundamentally new uses of energy, like floating cities or something whacky, I think the amount of energy here is really, really big.

[–] qjkxbmwvz@startrek.website 12 points 6 months ago (2 children)

I'm too lazy to work through the numbers but I think helium production would be very small


which is another way of saying fusion (as envisioned for energy use) produces a huge amount of energy.

[–] qjkxbmwvz@startrek.website 11 points 6 months ago

I kinda prefer xargs to the -exec option


just feels more UNIXy to me (do one one job well).

But as another comment said, for grep I just use -r and --include. So clearly I'm not very consistent...

[–] qjkxbmwvz@startrek.website 1 points 6 months ago* (last edited 6 months ago) (1 children)

Anyone else getting Lando Norris vibes?

[–] qjkxbmwvz@startrek.website 115 points 6 months ago (28 children)

One of the real downsides of ARM is, it seems, the relative lack of standardization. An x64 kernel? It'll run on most anything from the last ten years at least. And as for boot process, it's probably one of two options (and in many cases one computer can boot either legacy or EFI).

ARM, on the other hand...my raspberry pi collection does one thing, my Orange Pi does something else, and God help you if you want to try swapping the Orange kernel for the Raspberry (or vice versa)!

[–] qjkxbmwvz@startrek.website 51 points 6 months ago (7 children)

I did this in undergrad. Campus security stopped me, I argued, he called his supervisor on the radio. We chatted for a while, and turns out he was from Venezuela, had studied what I was studying, and was an overall pleasant character. Supervisor response was basically, "wow college kids think they're really clever don't they?", and I was asked, politely, to cease.

I felt like a bit of a dick after that.

[–] qjkxbmwvz@startrek.website 3 points 6 months ago (2 children)

https://www.cpubenchmark.net/compare/5533vs3904vs4922/Apple-M2-Ultra-24-Core-vs-Intel-i9-11900K-vs-Apple-M2-8-Core-3500-MHz

Benchmarks are of course just benchmarks, but the single-core performance is better for the M2, and the range-topping M2 is about 2x faster than the i9.

Also, regardless of how something compares, if it is ever memory-bandwidth bound, then faster RAM should help. While most tasks may be CPU or IO bound, AFAIK there can still easily be memory bound tasks in real-world workloads.

I picked the i9-11900k for comparison since I think that was the last one to only support DDR4 (making it "DDR4 era"). Ryzen maybe faster in the DDR4 era though?

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