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Dr. WiFi. Linux kernel hacker at Red Hat. Networking, XDP, etc. He/Him.

Toke Høiland-Jørgensen

Looks like I managed to reconfigure my router to be multi-homed, while logged in through SSH over the existing WAN connection, without screwing something up and locking myself out. Phew! 😅
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Toke Høiland-Jørgensen

Lazy vacation days 😊

#DogsOfMastodon
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Toke Høiland-Jørgensen

This is pretty spot on. At this stage, the problem with #climate change isn't that we don't know what the solutions are, it's that we are not applying them fast enough. But we could be, and doomism isn't helpful.

"The facts tell us that the general public is not the problem; the fossil fuel industry and other vested interests are; that we have the solutions, that we know what to do, and that the obstacles are political; that when we fight we sometimes win; and that we are deciding the future now."

https://www.theguardian.com/commentisfree/2023/jul/26/we-cant-afford-to-be-climate-doomers
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Hi, we're a tech startup run by libertarian Silicon Valley tech bros.

We're not a newspaper, we're a content portal.
We're not a taxi service, we're a ride sharing app.
We're not a pay TV service, we're a streaming platform.
We're not a department store, we're an e-commerce marketplace.
We're not a financial services firm, we're crypto.
We're not a space agency, we're a group of visionaries who are totally going to Mars next year.
We're not a copywriting and graphic design agency, we're a large language model generative AI platform.

Oh sure, we compete against those established businesses. We basically provide the same goods and services.

But we're totally not those things. At least from a legal and PR standpoint.

And that means all the laws and regulations that have built up over the decades around those industries don't apply to us.

Things like consumer protections, privacy protections, minimum wage laws, local content requirements, safety regulations, environmental protections... They totally don't apply to us.

Even copyright laws — as long as we're talking about everyone else's intellectual property.

We're going to move fast and break things — and then externalise the costs of the things we break.

We've also raised several billion in VC funding, and we'll sell our products below cost — even give them away for free for a time — until we run our competition out of the market.

Once we have a near monopoly, we'll enshitify the hell out of our service and jack up prices.

You won't believe what you agreed to in our terms of service agreement.

We may also be secretly hoarding your personal information. We know who you are, we know where you work, we know where you live. But you can trust us.

By the time the regulators and the general public catch on to what we're doing, we will have well and truly moved on to our next grift.

By the way, don't forget to check out our latest innovation. It's the Uber of toothpaste!

@technology

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Toke Høiland-Jørgensen

@jpelckolsen
Quite happy with Fitotrack. Open source, not snoopy, does basic mapping and statistics on your phone, and can even talk to bluetooth heart rate monitors. No automatic upload anywhere, though, but as far as I'm concerned that's a feature 😊

https://codeberg.org/jannis/FitoTrack
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Toke Høiland-Jørgensen

FFS, spent hours beating my head against a wall trying to figure out why this service was starting up and then randomly dying after a few seconds...

... Well, turns out it was because of a misconfigured firewall on the NFS server it was talking to, so some connections would just hang, causing IO stalls. Fix the firewall rule, and presto, everything is running perfectly!

At least it wasn't DNS! 😅
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Toke Høiland-Jørgensen

@gd2
I was going to do TPM sealing on a recent install until I discovered that the server in question doesn't have a TPM chip.

That would definitely solve the "unattended" part (I think?), but would reduce the protection afforded by the encryption to making it easier to decommission the disks. Which I guess is the main benefit for an always-on server anyway?
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Toke Høiland-Jørgensen

@thasl
Ah yes, I do actually have one of those lying around, unassembled (I forget which version). May be worth a shot, I suppose 🤔

What's your experience with it?
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Toke Høiland-Jørgensen

@topher

What do you do currently?
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Toke Høiland-Jørgensen

So apropos of nothing, how do y'all handle encryption at rest for your home server(s)?

I mean, I know how to setup full disk encryption, but how to provide the key? I'm talking about a headless setup on physical hardware, here.

My current solution is an initrd that spawns an SSH server and waits for me to manually login and supply the pass phrase on every boot. Which works, but it's kinda annoying, especially if there's a power failure while I'm somewhere I can't access SSH. Also, it kinda feels brittle (I keep fearing it won't come back up on the next reboot).

So does anyone have any better solutions?

#linux #security #encryption
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Toke Høiland-Jørgensen

@rgdd
Yeah, definitely among the nicer problems to be stuck with 😃
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Toke Høiland-Jørgensen

@rgdd also, your mastodon profile is now out of date 😅
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Toke Høiland-Jørgensen

@rgdd Congrats! 😃🥳
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Edited 1 year ago

@morgthorak I think you might want to make sure you don’t follow me.

Because your “woke communist propaganda” comment makes me think you’re a moron of the first order.

I strongly suspect I am one of those “woke communists” you worry about. But you probably couldn’t actually explain what either of those words actually mean, could you?

I’m a card-carrying atheist, I think a woman’s right to choose is very important, I think that “well regulated militia” means that guns should be carefully licensed and not just randomly given to any moron with a pulse, and I couldn’t care less if you decided to dress up in the “wrong” clothes or decided you’d rather live your life without feeling tied to whatever plumbing you were born with.

And dammit, if that all makes me “woke”, then I think anybody who uses that word as a pejorative is a f*cking disgrace to the human race. So please just unfollow me right now.

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@corbet @monsieuricon okay now I had to go and look. Holy moley! 😳
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Toke Høiland-Jørgensen

@BPlanZ
Leaflet is a JavaScript library that lets you add custom markers to an Openstreetmap map:

https://leafletjs.com/

Think that might work for you? Not affiliated with the project, just a happy user at one point 😃
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Toke Høiland-Jørgensen

New blog post: The XDP Traffic Generator

Explaining how (as of kernel 5.18) it is possible to use #XDP to implement a high-performance traffic generator, which is also part of the xdp-tools package.

https://blog.tohojo.dk/2023/05/the-xdp-traffic-generator.html
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Managed to work around the bus problem by means of a quick switch of transportation mode, courtesy of Enterprise car rental. It's only a two hour drive from Badajoz to my final destination in Beja, and as an added bonus I won't have to catch a train at 8 in the morning when I'm going back on Monday. Win! Not sure why I didn't just do this from the beginning, actually. Definitely not booking Flixbus again 😬

Anyway, in the end I arrived only an hour later than originally planned, so Denmark-Portugal completed. Yay! Was quite fun, actually, think I'll do it again in reverse; maybe as soon as next week! 🤔
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Third day, made it from Madrid to Badajoz without issue. Have a Flixbus booking that was supposed to take me across the border, but that is three hours delayed. Because it's on its way from Madrid... 🙄
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Smooth run to Barcelona, and afterwards from there to Madrid. Identical TGV-style trains, just run by different operators, although I think OUIGO is also owned by SNCF? Anyway, quite comfortable, and the only snag was a would-be bag snatcher outside the station in Barcelona who was fortunately thwarted by a helpful bystander... Phew! 😅

Oh, and also the WiFi has been terrible on all trains so far. Apparently that technology is beyond us, still... 😞
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