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Director of Linux Foundation IT. Currently in charge of kernel.org infra.

This account is for Linux/Kernel/FOSS topics in general: #linux, #kernel, #foss, #git, #sysadmin, #infrastructure.

For my personal account, please follow @monsieuricon@castoranxieux.ca.

Montréal, Québec, Canada 🇨🇦🇺🇦
monsieuricon
repeated
kernellogger@fosstodon.org

Thorsten Leemhuis (acct. 1/4)

And with "reiserfs: The last commit", is now gone from for 6.13:

https://git.kernel.org/torvalds/c/fb6f20ecb121cef4d7946f834a6ee867c4e21b4a

63 files changed, 12 insertions, 32804 deletions

Bye bye! 👋

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monsieuricon

K. Ryabitsev

My other idea is using insulated tanks of distilled water buried in the ground for residential peak shaving. Overnight, the water is heated to 90°C using cheap excess capacity. During the morning peak, the heat pump uses it as a source of readily available heat for central heating. You can even have a fully mechanical heat pump "trickle-heating" the water during the night from a small wind turbine, since you just need to run the compressor and move the liquids around. There should be enough wind to heat up a tank of water even with a small backyard turbine.

I'm a complete dilettante in this, so I'm probably missing 99 reasons why this would be a lot more difficult.
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K. Ryabitsev

A serious question for those of you who know these things better than me. With so many cities built on riverbanks, why aren't we using the rivers with heat pumps for both heating and cooling? There's a lot of heat trapped in water compared to air, so it should be super economical to build a heat pump and run a central heating system that will more than pay for itself over just a few years. Similarly, in the summer it can be reversed to do cooling for AC instead.
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monsieuricon

K. Ryabitsev

Wayland terminal poll-off:
13% kitty
38% foot
47% other
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K. Ryabitsev

Oh no, not a missing CAA record! 😱
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monsieuricon

K. Ryabitsev

Oh, no. The word "fan" is actually just short for "fancier."

Are you a sports fancier?
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K. Ryabitsev

Edited 2 days ago
Me: "creates a brand new 70TB RAID6 array"
RAID6: "pls wait while I spend 2 days sync'ing (checks) these 0 bytes of data across all these disks"
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monsieuricon

K. Ryabitsev

them: "Your domain's SPF record has ~all instead of -all, this is a critical vulnerability."
me: "No, it's not, it's configured that way for a reason."
them: "Can I get a bounty for reporting this critical vulnerability?"
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K. Ryabitsev

1000 days since the Russian army invaded Ukraine, destroying its cities and murdering civilians, all because Putin needed a "quick victorious war" to remain in power.

I will never forget, and I will never forgive.
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monsieuricon

K. Ryabitsev

I just found out that "scout" in Norsk is "speider," so I'm officially a Speider Mann.
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K. Ryabitsev

Guilty pleasure: chefreactions on instagram. blobcatchefskiss
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K. Ryabitsev

Akkoma has been unwedged.
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monsieuricon

K. Ryabitsev

Sir... Uh... that's not how kernel fencing works.
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K. Ryabitsev

Tired: Red States
Wired: Hold My Beer States
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K. Ryabitsev

(Reading the news)

Didn't know Tide pods came in orange.
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K. Ryabitsev

popcorn.gif
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K. Ryabitsev

OK, so I ended up moving www.kernel.org to be served via Fastly and it's working well. I will probably move it back once we figure out what this okhttp traffic is.
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K. Ryabitsev

Jeg er veldig smart.

Don't ask me why I'm learning Norsk, it's a secret, but my Duo username may give a hint.
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K. Ryabitsev

x.x.x.x - - [10/Nov/2024:00:02:37 +0000] "GET / HTTP/1.1" 301 162 "-" "okhttp/4.9.0"

You know what’s interesting about this log line? It repeats 56,686,963 times in www.kernel.org logs for yesterday, across 4 nodes. That’s about 700 times a second, and this has been going on for months.

These requests aren’t intentionally malicious – they issue a simple GET /, receive their 301 redirect, and terminate the connection. From what I can tell, this is some kind of appliance or software installed on mobile clients that uses “can I reach www.kernel.org” as a network test.

This wouldn’t be that big of a deal – a single plaintext “GET /“ that triggers an immediate 301 is very cheap for us to generate, but the number of these requests has been steadily growing.

If you have any idea what this is and how to make it stop, please reach out?

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K. Ryabitsev

Update to Fedora-41 was completely uneventful.
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