@baloo@sfba.social avatar

baloo

@baloo@sfba.social

copying and pasting from stackoverflow.
Nerd on a #bike, writing #RustLang and doing crimes with #NixOS

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kwf, to random
@kwf@social.afront.org avatar

Let me tell you a story in a single screenshot about how many problems have been caused in this world because telecom uses NEGATIVE 48 volts to power all of their equipment.

I will be answering no follow up questions.

baloo,
@baloo@sfba.social avatar

@kwf oh you can make an inverting DC-DC with a buck controller?!
That hurts my brain

baloo,
@baloo@sfba.social avatar

@kwf wait, how does this kind of PSU even work?!
The backplane is not running -12V. and the zero must still be zero relative to the ground plane.

Is there any other way than having the PSU run with three power domains (one in the middle that is isolated from ground?)?

kwf, to linux
@kwf@social.afront.org avatar

One of the fun parts of being a mirror operator is that you get to deal with China Mobile using ISO download mirrors to fix their traffic ratios with other ISPs at peering points.

Looks like they've moved to using Slackware now...

baloo,
@baloo@sfba.social avatar

@kwf ?????????

baloo, to random
@baloo@sfba.social avatar

Company reorg is nice.

You get new responsibilities. Oh you get to keep the previous ones.

Because nobody actually got reassigned to do the stuff you were doing 6 months ago.

kwf, to random
@kwf@social.afront.org avatar

Lazy toot: the Dell R440 has this mezzanine NIC that clearly has a 10G option. Anyone know what the keywords are that I should search for on eBay to upgrade the 2x1G NIC in this box?

baloo,
@baloo@sfba.social avatar

@kwf I mean, I don't think you're ever going to have issues with a 0gvxf4. It's a dummy broadcom with very little amount of features.
And it looks like it's less expensive than a mellanox?

Unless you already have connect-x3 on hand?

baloo,
@baloo@sfba.social avatar

@kwf 0GVXF4 might also work. It is designed for the R540 (same gen) but it's a 2U, so the thermals will differ.

But looks like half the price.

baloo,
@baloo@sfba.social avatar

@kwf CF4P0 or 0CF4P0

baloo,
@baloo@sfba.social avatar

@kwf I didn't now x3 were that cheap.

kwf, to random
@kwf@social.afront.org avatar

Does anyone remember the MMO hacking game where you start with like a comically slow computer and you dial into other player's "computers" and can poke around in their file system, delete logs, download warez you find on their computer to add to your own toolkit?

It was from like 15 years ago

baloo,
@baloo@sfba.social avatar

@kwf isn't this called internet?

mjg59, to random
@mjg59@nondeterministic.computer avatar

My annual plea for a thing: I want a type 1 hypervisor that just has a small isolated VM and then passes through the rest of the hardware to the main VM which runs Linux. The small VM is intended to be used to run small pieces of code that the main OS should not be able to interfere with. Does such a thing exist? (Think Xen, but with a Dom0 that can't see into DomUs)

baloo,
@baloo@sfba.social avatar

@mjg59 @hyc
Curious: what kind of hardware should the security VM need to access?
(I can only guess TPM? For state bootstrap or something?)

baloo,
@baloo@sfba.social avatar

@mjg59 @hyc
I know you already dismissed SEV, but https://github.com/project-oak/oak seems vaguely related?

This is a VM inside the main OS, but the binary inside the TEE is available over grpc.

ktemkin, to random
@ktemkin@chaos.social avatar

some good news: solutions to the nix stuff are coming; so if you’re thinking of mass evacuating the ecosystem please hold off a little to see what’s coming this week

baloo,
@baloo@sfba.social avatar

@ktemkin Hey, I appreciate the good work, and I'm sure many others do too.
Thanks for stepping up.

baloo,
@baloo@sfba.social avatar

@ktemkin Been holding my breath for over a week now. Currently running out of air.

baloo, to random
@baloo@sfba.social avatar

Me: sending the vendor a detailed reproduction procedure, taking 3-4 hours to complete.

Vendor: we plugged the unit it and it will work fine. We tested all 4 faulty units within 10 minutes.

Thank you vendor.

baloo, to random
@baloo@sfba.social avatar

"Good luck, I'll drive across the country with you to commit the necessary arson if these don't work"

I have the most supportive coworkers.

hazelweakly, to random
@hazelweakly@hachyderm.io avatar

I love explaining complicated subjects in a quippy way that isn't necessarily wrong. For example:

Kubernetes is 20 while-true loops in a trench coat pretending to be a container orchestration platform.

What are your favorite quippy ways to explain a complicated topic? It could be anything! I'm just curious what y'all have :)

baloo,
@baloo@sfba.social avatar

@hazelweakly nix is just a fancy way to run bash scripts.

kwf, to random
@kwf@social.afront.org avatar

So I've got this empty concrete pad on the side of my house.

It used to have a rotted out 12x24' shed on it, but I demolished that last fall and figured I could do something better... 🧵

baloo,
@baloo@sfba.social avatar

@kwf what’s the plan for the shed? Put some kind of jacuzzi?

baloo,
@baloo@sfba.social avatar

@kwf The hexagonal shed!

baloo, to random
@baloo@sfba.social avatar

There was a power outage earlier today, so now the printer doesn't have magenta anymore.
Yes. This is an HP.

baloo, to random
@baloo@sfba.social avatar

The company moved its C-suite 2 hours away from engineering/manufacturing to make sure to be able to make decisions with little to no influence from those pedants in engineering and folks being every day on the manufacturing floor.

And somehow, it still comes to a surprise that shit happens?

baloo, to random
@baloo@sfba.social avatar

IEEE hands out copies of 802.1AR for free, but you need to register.
They will stamp the PDF they give you.

Are you allowed to copy paste relevant sections in code comment when implementing the spec?

https://ieeexplore.ieee.org/document/8423794

acontios, to random
@acontios@masto.hivane.net avatar

Ma petite baie chez Vedege (ma boite) avance bien 👍

C'est la nouvelle maison pour Hivane en remplacement de la salle 22.16@th2.

Et Vedege y loue des U si besoin.

baloo,
@baloo@sfba.social avatar

@acontios les circuits rouge et bleu :)
C'est inspire par gandi?

La backstory c'etait que raritan avait pas de C13/C14 blancs. Du coup on pouvait pas faire blanc/noir. Rouge/bleu etait la seule combinaison qu'on a trouve qui marchait avec tous les types de daltoniens.

baloo, to random
@baloo@sfba.social avatar

Second coworker today to reach in my DM for advise on getting starting with rust.
3rd this month.

I can't even say it's the holiday season effect, not all of them are in the US.

baloo, to random
@baloo@sfba.social avatar

Customer: "your product should have protections against zero days."

baloo, to random
@baloo@sfba.social avatar

Asking for an mce: [Hardware Error] friend: What kind of routine runs every 2293 to 2294 seconds?
This is an AMD EPYC Rome.

(yes we already checked the torque on the radiator)

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