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EvanKnowles

85 karma · joined July 3, 2015

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EvanKnowles··on The curious case of the Raspberry Pi in the network closet (2019)
I'd say to say "Yeah, this was a long time ago"... but this could probably still happen.
EvanKnowles··on The curious case of the Raspberry Pi in the network closet (2019)
They shouldn't have, a lot went wrong here.
EvanKnowles··on The curious case of the Raspberry Pi in the network closet (2019)
We had a prod case where a server was being flooded with requests, and a downstream server kept falling over. We figured it was an attack of some sort and investigated, eventually traced it back to a computer inside our own network (we're a big computer, five floors of computers).

It had an open file share, containing some Delphi books and from which we got the computer name too. So we walked over to the Delphi team's side, and kept yelling the computer name until some dude said "Hey, that's me!"

Turns out he was running a test-case, in an infinite loop until it worked (because that's how test cases worked), and he thought he was pointed at QA, but he somehow had it set up to target Prod.

Our job was done at that point, we left the rest to management (who made sure he didn't get fired but didn't do it again).

EvanKnowles··on Tell HN: Stop Accepting Shitty Interviews
Following a comment I saw on HN, we now have several code snippets that we ask them to read through (biggest is like 12 lines) and tell us, at a high level, what it's trying to do. Great results, we've found people who learnt all the lingo completely failed when it came to reading and interpreting code.
EvanKnowles··on Java 17 depends on DNS lookups for hashing a web URL
Yeah, my team of experienced devs were all surprised by this. To the source they went, and found it was true. Not that we'd generally end up hashing a URL, but still.
EvanKnowles··on Omicron variant found in nearly one-third of U.S. states
Whew, hopefully Europe has banned all travel to North America.
EvanKnowles··on Can deep learning help mathematicians build intuition?
Accounting for imposter syndrome, I Am Maybe Not A Mathematician
EvanKnowles··on 2nd US omicron case just traveled to NYC anime convention with 53K attendees
And South Africa is still masked, sanitized, curfewed, and travel banned. Weird.
EvanKnowles··on EU countries move to restrict air travel from SA over new Covid variant
Israel just detected some cases, I assume travel from there will be banned too?
EvanKnowles··on B.1.1.529
This is entirely it - we have plenty of vaccines, there's no queue at vaccination centres, people just aren't getting vaccinated.
EvanKnowles··on The Metaverse Is Bad
I think we all want the Metaverse, we just don't want it controlled by anyone.
EvanKnowles··on Ray casting in 2D game engines
Anyone who likes this will probably like: https://raytracing.github.io/books/RayTracingInOneWeekend.ht...
EvanKnowles··on Nvidia Canvas
Looks like it has CORS issue.
EvanKnowles··on MS Paint from the 90s
Pretty awesome, select not working on my side (which is obviously a core component of MSPaint muckery, when you hold down shift and paint your selection like a brush)
EvanKnowles··on Squarespace forgot to renew their Squarespace
Well, I mean the system clearly works? Not sure it's a CI/staging thing, some date just expired in prod.
EvanKnowles··on PHP's Git server compromised, moving to GitHub
Ah - that explains a lot, I was expecting to understand a lot less of it ;)
EvanKnowles··on PHP's Git server compromised, moving to GitHub
My PHP is poor, but it looks like it was being changed to check for a string coming in via a "typo'd" HTTP_USER_AGENTT header, that started with zerodium, and then eval the string without the zerodium prefix on the server.

Reminds me of that Linux compromise years ago where they picked it up because the change was directly on the build box, except at least that one was hidden behind an apparent `=` vs `==` "bug" - this one has a bit less style.

EvanKnowles··on Ask HN: What is your advice to someone who is starting out in software industry?
Don't believe in magic - learn how things work.
EvanKnowles··on 7k MS-DOS Games playable in the browser
Yeah, mute button not working in Chrome either.
EvanKnowles··on L.A.'s coast was once a DDT dumping ground, but no one could see it until now
Apart from the awfulness of it all, anyone else get EcoQuest: The Search for Cetus vibes from the photos?
EvanKnowles··on You don't need reinforcement learning when you have basic physics
Indeed, if you already know everything you don't need to learn anything.
EvanKnowles··on Edisonbox | monthly circuit building kits. For experienced and beginners alike!
Anyone know of something similar that ships to more countries? I've been looking for something like this, but I'm in South Africa.
EvanKnowles··on Ask HN: What's the silliest thing you need to frequently look up?
¯\_(ツ)_/¯
EvanKnowles··on Cleaning up bad bots (and the climate)
They'll probably be grumpier about the bad bots thing.
EvanKnowles··on Ask HN: What's the worst piece of software you've used in the last week?
Xcode - watch it freak out over clicking 'Upload to app store'
EvanKnowles··on Ask HN: What is your comfort book?
Illusions, by Richard Bach.
EvanKnowles··on Design Tip: Never Use Black (2012)
Wow, Facebook has changed a lot - only thing that tipped me off that this was an older (but still relevant) article.
EvanKnowles··on Ask HN: What tool do you use for creating technical documentation?
Just write it in Markdown and render it out?
EvanKnowles··on Online shopping in Africa doesn’t work because of this web form
What a massively blanketing title. I've never had this issue, that apparently affects an entire continent.
EvanKnowles··on The public alpha of the Blockstack Browser
I just clicked continue about 10 000 times and I still have no idea what this is.
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