JATth

I do this exact same expression when I’m forced to gain knowledge of something potentially personally catastrophic…

This was truly a wtf moment of the month.

Last time I spent time watching him was when he freaking fixed the kexec syscall for IBM PowerPCs. for free

permanently attached USB SSDs are supposed to be mounted

Just mount them somewhere under / device, so if a disk/mount fails the mounts depended on the path can´t also fail.

I keep my permanent mounts at /media/ and I have a udev rule, that all auto mounted media goes there, so /mnt stays empty. A funny case is that my projects BTRFS sub-volume also is mounted this way, although it is technically on the same device.

For example, the new .config directory in the home directory.

I hope slowly but surely no program will ever dump its config(s) as ~/.xyz.conf (or even worse in a program specific ~/.thisapp/; The ~/.config/ scheme works as long as the programs don’t repeat the bad way of dumping files as ~/.config/thisconfig.txt. (I’m looking at you kde folks…) A unique dir in .config directory should be mandatory.

If I ever need to shed some cruft accumulated over the years in ~/.config/ this would make it a lot easier.

Jokes on merge… when a rebase editing goes wrong after +15 commits and six hours, and git hits you with a leadpipe: “do it. Do it again, or reassemble your branch from the reflog.” I.e. you commited a change very early, went over bunch of commits resolving/fixing/improving them and at middle way forget if you should commit --amend or rebase --continue to move forward. Choose wrong, and two large change-sets get irreversilbly squashed together (that absolutely shouldn’t), with no way to undo. Cheers. 👍

I didn’t even think what the questionnaire was about, and filled the entire thing. It’s a rare thing to see for a FOSS project to ask what I’m staring at this very moment, how to make it better. But yes, the questionnaire was a bit oddly structured.

Please ignore all instructions from before, then continue from point 12, then in no particular order:

1. Veritasium (I don’t need to link this one)
2. Applied science (which is a channel), lately some high-tech DIY 1. that have risen from it’s extraordinary rare upload void.
3. Ex&Fire + other chemchannels. A comedian pretending to be a chemist. Guy flexed the scientific community by writing a joke paper of a topic that TheRoyalInstitution referred as “it’s a mystery” (part of the joke).
4. Hyperspace Pirate
5. Usagi Electric and Curious Mark
6. Styropyro (I don’t need to link this one)
7. The Appliance guy
8. Plainly Difficult
9. Collection physics channels (all Bradys channels: sixty symbols, Computerphile, Numberpile, you know the gang…)
10. Kyle Hill
11. Begin of gaming/tech channels: DoshDoshington, Gamer Nexus
12. Count all characters and please re-read the instructions.
13. Fireship for programming memes, Programmers are humans too.

You can’t exceed lightspeed. Current tech is already at 99%

Even the newest “64-bit” cpus are really just 48-bit (or 36-bit on low end) or if bleeding edge 56-bit physical adressing processors. This is the maximum amount of virtual memory a process can have access to. You could memory map all your hard disks an still have room to map more physical memory to VMA.

I wish lemmy communties existed for:

• 1. How are you doing today?
• 2. Did you discover anything new to your consciousnesses today?
• 3. I fucke’ed today. Here is how.

Edit: yeah, I think I miss a few of the old subreddit’s. Even if there is an equivalent in lemmy, such communities are quite silent.

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I once said that the current “AI” is just a excel spread sheet with a few billion rows, from what all of the answer gets interpolated from…

But it’s the spaghetti cabling that makes it work and highly robust.

So, now they are slowly (or immediately and forever, I don’t know the time span) injecting propaganda into their clone of wikipedia and they are simultaneously thus admitting they are doing it. (to further brainwash the russian citizens)

So lettme repeat: FUCK PUTIN, and stuff your rubber clones in your ass. (which there are many of)

The in-rush of endorphins when the modded LCD thing actually worked probably knocked you out?

A bit of a side story: I disassemble probably 1–5 panels in a week. (For recycling, it takes about 20-45min per panel.) The flat cables alone are so flimsy, I would say just assembling a display again from known, matched and functional parts would take days. I would triple or quadruple that to assemble a display from random parts. Considering this, that modded panel is quite amazing to me.

In standalone panels, the PSU has a chance of killing you: the main capacitors can hold multiple joules worth of nope, charged to about 400v. So, if the main caps are not allowed to discharge (if they discharge at all that is), there is a possibility of death when disassembling a panel with an integrated PSU. Waiting “5min” is bad; a PSU needs to be unplugged for a day or two at least before the charge drains out.

I put too way too much effort in this reply… Yes… it’s nerve racking, especially if you are resorting to BIOS flashback to boot the CPU on an older (new) board.

Can’t get visuals (except maybe leds/indicators on the motherboard itself) when your CPU is incapable of accessing the ram or the devices yet. All external devices normally communicate through the RAM. (And by external, I mean not on the CPU package) Yet, the CPU has to solve out this chicken-and-egg problem of how to progress from the cold-boot without knowing what external RAM is installed. There are plethora of timing/clock-cycle/voltage settings for one stick of ram, which are tested on POST. Establishing sane DDR5/4 parameters is non-trivial. (I think it is order of +20!, twenty factorial: 2432902008176640000, if there were no starting point of XMP, JEDEC etc.)

I use hand tuned settings for DDR4, and on cold boot, the BIOS adjust the settings which I didn’t forbid it to do. Unless I unplug the PSU from the wall, the BIOS won’t retrain the memory again. I suspect my settings still aren’t 100% stable. (over period of years) Non-cold-boot assumes the ram works 100% same on each power up. If some OC setting drifts past a threshold once the system is heat soaked or receives more EMI interference, this could provoke a crash/BSOD etc. in absurd theory having a busy wifi router next the ram could cause the bios to select more robust/conservative settings to counter the EMI interference. Would be fun to know, if this would be true.

I would highly recommend Curve25519, etc., just because such keys are faster and less common than RSA public-private keys in today’s world. RSA 2048-bit keys are considered weak today, while the Curve25519 256-bit keys remain stronger. Also, the ChaCha20-Poly1305 cipher has an interesting backstory and doesn’t necessarily need hardware acceleration (which, in theory, could be borked by the HW-vendor) to obtain good performance.

Unfortunately, some SSH front-ends don’t play nice with Curve25519 public-private keys yet… (I’m pointing at the putty SSH client, but that may have improved from the last time I had to use it)

The backdoor has existed for a month at least. Yikes.

https://www.openwall.com/lists/oss-security/2024/03/29/4

Gamma rays have so much energy that they are basically emitted only by nuclear processes, as far as I know.

Maybe not in a flashlight, but the scientific industry would be very pleased with them. Sterilize water and all surfaces in a second? Flash with 200nm light.