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@jamesthebard@social.linux.pizza
2025-05-28 16:15:45

The network cabling came in so got it installed. Not sure if this is _exactly_ the way I want to run it, but either way it's pretty clean overall. Each one of the Minisforum MS-A2s will get 2x10GbE fiber for iSCSI and 1x2.5GbE for VM traffic.
#minirack #homelab

A close up of the QNAP switch in the minirack showing 3 new ethernet cables in ports 5-7 and 6 new pieces of fiber in ports 9-14.
A picture of the minirack showing the ethernet cables being run down the left-hand side of the back and the fiber cables being run down the right-hand side.
@cowboys@darktundra.xyz
2025-06-28 15:10:46

Defensive line installment of my Cowboys All-Quarter century team brings back memories insidethestar.com/defensive-li

The woman who could impede RFK Jr.’s anti-vaccine agenda
The public would be better-off with a serious person such as Susan Monarez at the CDC’s helm.

The Senate should confirm her, and fast.
Monarez, meanwhile, needs to recognize the burden she is accepting.
Being CDC director is not an easy job, even in less contentious times.
Having to report to Kennedy makes it incalculably harder.
Lives will depend on whether Monarez resists Kennedy’s efforts to …

@arXiv_csCR_bot@mastoxiv.page
2025-05-30 07:16:52

Bayesian Perspective on Memorization and Reconstruction
Haim Kaplan, Yishay Mansour, Kobbi Nissim, Uri Stemmer
arxiv.org/abs/2505.23658

@ruth_mottram@fediscience.org
2025-06-29 21:01:20

Simultaneously fascinating and horrifying: memories from the last of the Scottish whalers in this episode of #RareEarth about the whale hunts of the Antarctic that led to near extinction.
Rare Earth: A Whale's Life
Episode webpage: bbc.co.uk/programmes/m002f013

@whitequark@mastodon.social
2025-06-28 15:44:43

are you a platform/embedded developer?
do you need to interact with hardware in a semi-custom manner?
would you like to suffer a lot less doing it?
if so, #GlasgowInterfaceExplorer might be for you. the code below is all you need to build a custom testbench for a DUT you've never seen before. just as easily you can add JTAG/SWD debug, protocol analyzers, etc.…

async def main():
    assembly = HardwareAssembly()
    assembly.use_voltage({"A": 3.3, "B": 3.3})
    spi_rom_iface = Memory25xInterface(logger, assembly,
        cs="A0", sck="A1", io="A2:5")
    uart_iface = UARTInterface(logger, assembly,
        rx="B0", tx="B1")
    gpio_iface = GPIOInterface(logger, assembly,
        pins="B2")

    async with assembly:
        await spi_rom_iface.qspi.clock.set_frequency(1_000_000)
        await uart_iface.set_baud(115200)

        # Pretend to program …
@jamesthebard@social.linux.pizza
2025-05-29 21:48:59

The shelves came in, got them installed. Should be big enough to hold the MS-A2s, but if not I'll have to source the full length ones. Seems stable as well.
#minirack #homelab

The rack with all of the shelves installed.  Unfortunately due to the lighting it looks like everything is crooked which is very, very annoying...
@ruth_mottram@fediscience.org
2025-06-29 21:06:36

What I find really interesting is how we judge people from different cultures who basically do the same thing. Think about Greenlandic narwhal hunters, they're generally considered quite differently to Faroese pilot whale hunters, or indeed, this old boy who was sailing south to hunt humpbacks, sperm and blue whales in the 1950s 60s...
#RareEarth about the whale hunts of the Antarctic that led to near extinction.
Rare Earth: A Whale's Life
Episode webpage: bbc.co.uk/programmes/m002f013

@jamesthebard@social.linux.pizza
2025-05-27 17:42:28

Okay, front of the rack. Gonna need a 2U vented plate for the front but the shelves should work for the Minisforum MS-A2 nodes. Also should be enough room below that shelf for the bricks.
#minirack #homelab

The front of the minirack with a Mikrotik PoE switch, a 1U patch panel with 5 HDMI keystones and a single ethernet port.  Below that is a 2U rack of 5 RPis.  Below that is a lot of room for smol servers...
@jamesthebard@social.linux.pizza
2025-05-27 17:17:39

Moved the switch power cables to the outside of the rack and used the red "loops" to route the cable down to the PDU. I should have enough space in the basement for the Proxmox node power bricks.
#homelab #minirack

The full picture of the minirack's rear with the QNAP 10GbE switch and the cable management guides.  The power cables are routed down the left-hand side of the rack.