@jpm@aus.social
@jpm@aus.social avatar

jpm

@jpm@aus.social

WiFi whacker, network noodler, IoT idiot, Linux licker, and security spooner. Can C, a bit Rusty, also Bashing Pythons. Sandal appreciator. Anti-sock crusader.

Geek for hire - if you’ve got a cool project let me know!

Now contains at least 65% shitpost by weight

This profile is from a federated server and may be incomplete. Browse more on the original instance.

jpm, to random
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TIL King Charles III also has an OAM, courtesy of Malcolm Fraser in 1981: https://pmtranscripts.pmc.gov.au/sites/default/files/original/00005554.pdf

chendo, to random
@chendo@mastodon.social avatar

Currently regretting trying to work with the code I slapped together in a hurry 7 years ago

jpm,
@jpm@aus.social avatar

@chendo mood. The code is written in C, for an embedded platform

jpm, to random
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“No screens today” as punishment for little miss 5 is just as big a punishment for us…

jpm,
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And then The Toddler comes running down the hallway, laughing maniacally, waving the toilet brush around above her head

jpm, to random
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No, YOU’RE reading the MC68040 user’s manual

jpm, to random
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I do not need any new projects… but that new shiny PIC32CZ CA80 (aka SAME70 with PIC32 scribbled on the top in crayon) looks mighty tempting.

Also those new STM32H5 series chips…

jpm, to random
@jpm@aus.social avatar

Every charity seeking government grants
https://eigenmagic.net/@whatifbot/112584944661508126

jpm, to random
@jpm@aus.social avatar

Little miss 5: can you play Barbie’s with me?
Me: ok
Little miss 5: but you can’t play silly
Me: not going to happen
Little miss 5: well you can play silly with lego instead
Me: let’s goooooo!

Me: jet-powered cow, on wheels

jpm, to random
@jpm@aus.social avatar

“There are still 69 orders to fulfill before it is your turn.”

Nice

jpm, to random
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Right, time for some embedded C golf - reducing memory use to fit inside 16KiB of RAM

jpm,
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@ThermiteBeGiants mmm not really

jpm, to random
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Oh motherfuckinggoddamnit! The single most important screw in the house has just gone down a sink drain.

I am, of course, talking about the screw that holds the espresso machine group head together

jpm,
@jpm@aus.social avatar

Never do your own plumbing unless it’s an absolute emergency. This is an absolute emergency

jpm, to random
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“The secretive, authoritarian tendencies of a bunch of people in the APS needs a sharp corrective” fucking OUCH
https://eigenmagic.net/@daedalus/112578293510785253

azonenberg, to random
@azonenberg@ioc.exchange avatar

TIL that Rotman lenses are a thing https://www.radartutorial.eu/06.antennas/an75.en.html

I don't fully grok the details but what I do understand is pretty cool.

jpm,
@jpm@aus.social avatar

@azonenberg … as if beam forming wasn’t already completely magical

azonenberg, to random
@azonenberg@ioc.exchange avatar

Hot take: Miss Rachel should rename her channel to "toddler crack"

Because that's what it is.

jpm,
@jpm@aus.social avatar

@azonenberg see also: baby sensory, with the dancing fruit

jpm, to retrocomputing
@jpm@aus.social avatar

Attention folks: an 8086 laptop just dropped - https://www.aliexpress.com/item/1005005528944178.html

jpm, to random
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I have too many things to do, and I don’t want to do any of them

jpm,
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I need to finish bashing rocks together in this C code. I need to re-layout and fab my “Jackson” SAML10 boards. I need to fab the fresh layout of the 32-pin GPIO expander boards. I need to make a test frame for the GPIO boards. I need to finish writing the code to test the Jackson boards on the test frame. I need to re-layout and fab the RasPi UPS board. I need to assemble the prototype power monitor board, then probably re-layout and re-fab. I need to get a bunch of ideas out of my head and into products, like the USB-C power unfuckenator.

jpm,
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Or I could just crash into bed because my hands have the jitters for some reason

Could be I’m now allergic to writing C code

jpm, to random
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Don’t mind me, I’m just over here oiling my wok

jpm,
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@Unixbigot “YouTube is not currently available on this device” beautiful

jpm,
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@Unixbigot probably. The fediverse hug of death

Viss, to random
@Viss@mastodon.social avatar

https://www.theregister.com/2024/06/06/synology_backup_activeprotect/

dude.
if syno makes an s3-like offering that does that type of storage its going to greatly grease the skids for folks bailing from the cloud.

i have space in my rack at the colo, i'd buy a full on rackstation and top it out and shove it on 10 gig copper.

jpm,
@jpm@aus.social avatar

@Viss we’ve had so many issues with the 12-bay RackStations plus drive expansion trays we have at $DAYJOB, I’m glad they’re now Someone Else’s Problem. Even stuffing them full of RAM and flash caches they slow to a crawl with any reasonable load.

jpm,
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@Viss from memory, the 24 x 12TB 7.2kRPM RAID-10 array (which Synology buries deep in the setup for some reason, but friends don’t let friends use RAID-5) would start delivering 20ms IO latency at about 1000 array IOPS, 40ms at 1500, and 100ms at 2000.

Then there was the estimated 1 month rebuild time for a single failed 12TB drive, with associated 1000ms IO latency during the rebuild, because the settings they use for the underlying mdadm rebuild rate is very dumb. Fixing that brought the rebuild time down to about 3 days with about 20ms IO latency.

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