@kwf@social.afront.org
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kwf

@kwf@social.afront.org

Engineer who converts solder, Ethernet cables, and firmware into entertainment.

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kwf, to random
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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... 🧵

kwf, to random
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One thing I own which is cool as hell is a vibrating reed based tachometer.

Lots and lots of tiny reeds, each tuned for a specific frequency. Place it on a piece of equipment, and the reeds start to vibrate if they're the same frequency as the equipment.

Placing the tachometer on an Air Conditioner condenser

kwf, to random
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Getting my ass handed to me this afternoon trying to run EMT around one lousy corner.

kwf, to random
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Most of the fence around my AC in the side yard was trash.

So I figured instead of replacing the fence with another fence, I'd replace it with a very shallow garden shed / closet for hand tools.

kwf, to random
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Telephone museum let's fucking GOOOOOO!

This place has been on my bucket list for more than a decade.

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kwf, to random
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It is fucking happening.

kwf, to random
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What is up, Chicago?

kwf, to random
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Living the homeowner dream involving rolls of the pink stuff.

kwf, to random
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All other arguments about TLS vs plain HTTP for Linux update downloads aside, I'll point out that Manjaro uses TLS to download updates, and this is bottlenecking the performance on our T620 plus 10Gbps nodes.

CPU tops out around 3Gbps for thousands of tiny requests using TLS 1.3.

kwf, to random
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Hot take: instead of trying to find a replacement micro blogging platform, we should all just move to long form blogs on our own domains and email newsletters.

kwf, to RedHat
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Just to recap the latest in the RHEL vs downstreams not offering them any value drama:

Redhat publically states that downstream rebuilders offer them no value, and the RHEL community should all be working in the Centos-stream sandbox, because that's where the community is, because it has community right there in the name, and that's where the code fixes can land, and community is only about lines of code in the repo.

@almalinux goes "alright, no value in us being a 1:1 rebuild of RHEL, then we're cutting our own path while being based on Centos-stream, staying ABI compatible with RHEL, but we'll fix our own bugs when we find them"

Alma Linux then finds a CVE in the iperf3 server impacting everyone in the Enterprise Linux 9 ecosystem, so they release the fix for AlmaLinux, and then immediately open pull requests for Fedora and Centos-stream to land the fix upstream. Which would seem to be exactly what Redhat was asking for this whole time.

Redhat's response to the centos-stream pull request? "There is no current customer demand for this fix in RHEL, so we're not interested in this fix"

The astute will notice that the pull request is feeding into centos-stream, and not RHEL. But they're making merge decisions here based on immediate customer demand in RHEL.

So maybe this whole "Centos-stream is the community distro" line was bullshit and it really is just the beta testing ground for RHEL, just like all of us kind of thought it was while getting shouted down by the centos-stream advocates this whole time.

So Redhat is still doing great.

https://gitlab.com/redhat/centos-stream/rpms/iperf3/-/merge_requests/5

kwf, to random
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The fact that they make propane powered refrigerators has always bothered me.

kwf, to random
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Writing this down just because I'm kind of surprised I haven't seen anyone else articulate the same point.

Calling centos-stream an unstable version of RHEL is really a mischaracterization. We're talking about a distro which STARTS with the released version of Fedora, so it's not like they're in there mucking about and breaking things all over. I think the story about what in centos-stream is /testing/ and what is not testing is murky, and no one running EL likes to hear words like "development" or "testing" related to their flavor of EL, so it's confusing, and Redhat is not known for their clear and articulate communication to the community.

All of that aside, and given the assertion that centos-stream should be seriously considered for production use; the singular concrete thing disqualifying it for me is the lack of 5 years of z stream support on the N.10 release. I know we're all supposed to be living in a new world of containers and orchestration and automated deployment, but I still live in a world where I'm deploying servers which I expect to still be running in 5-8 years, and without a supported upgrade path, I'm not interested in deploying centos-stream with the expectation of needing to torch it and start over in less than 5 years.

Just saying. That's the one thing that prevents me from even looking at centos-stream.

kwf, to random
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I just lost power at my house again.

I'm beginning to think I should go all in and not just install grid tie solar but local storage. I've lost power at least 6 times this year already

kwf, to random
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Cleaning out my shed this weekend, and it looks like one of my 100Ah cells decided to go spicy pillow on me. 😬🔥

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kwf, to random
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Again. Would love to know what happened that caused power to go to $1000 wholesale and then right back down to $45 15 minutes later.

kwf, to random
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Work asked me to teach a class on L1 networking and troubleshooting, and I'm not holding back.

kwf, (edited ) to random
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The @hackaday Superconference bonus event is GOOOO!

This is an extra day on the beginning of where a bunch of us degenerates ride the Coast Starlight down to LA instead of flying. I get on in San Jose, but others got on in Oakland, as well as a big group last year who got on in Portland the day before and got an EVEN EXTRA 24 hours of hacking on a train.

This is an informal event, so you just need to make sure you end up on the right train, which is the southbound arriving at LA Union Station on Thursday night, 11/2. The train arrives in LA around 9-10PM, in time for either a late dinner or going straight to your hotels.

Last year I recommended business class since that would ensure that we all ended up in the same car and had access to the diner car, but due to current equipment shortages Business Class is unavailable, so I'm getting a coach ticket. We spent essentially the whole day last year hanging out in the lounge car, so coach vs private room class doesn't matter. I'd recommend packing your own meals if you're in coach, since the diner car only offers meals to coach as capacity allows, and none of the food options on the train are very good. I usually pick up a Subway sandwich on the way to the train station.

kwf, to random
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I want a public EVSE with the same user interface as an old parking meter. Coin acceptor, two mechanical flags showing if it's still charging or not.

Make em buy electricity using quarters.

kwf, to random
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Continues to scream in Homeowner

kwf, to hamradio
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ARDC is making everyone using their address space to renumber into a single /16, presumably so they can continue to sell off chunks of 44 net address space.

Anyways, I'm working to wind down a whole bunch of my network services soon.

kwf, to random
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Pop quiz: you're installing a two pole 20A GFCI breaker for a NEMA6-20 receptacle.

Do you bother hooking up the neutral pigtail or not?

If you don't, do you leave it loose in the breaker box or do you cut it completely off?

kwf, to random
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A few of our nodes are experimental 120GB SSD boxes which are only hosting the Ubuntu ISOs and the x86 EPEL repo. Designed to be absolute minimal cost and only do about 500GB a day.

Except one of them has suddenly started doing 3TB/day... We have no control over this.

kwf, to random
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How many smart plugs are... "too"... many smart plugs?

Asking for no particular reason

kwf, to random
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Some better pictures of the Mystery plant coming up everywhere in my backyard after I rototilled

Any thoughts?

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