movq

www.uninformativ.de

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Recent twts from movq
In-reply-to » Spent the last few days debugging network issues at work.

@mutefall IIRC, we gave Juniper a try a while back. 🤔 Something wasn’t right, but I don’t remember anymore what it was (probably the API not being available or not good enough?). 🫤 But this was 5 years ago or more, maybe it has changed …

I hope we can stay with MikroTik for a while. Changing switches is not that much fun. 😂

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In-reply-to » Spent the last few days debugging network issues at work.

@prologic I’ve tcpdump’ed and wireshark’ed the shit out of this. 😂 It’s not very helpful. I’d need to gain insight into the decision making of the switch itself. Why does it drop certain packets? That’s almost impossible to find out (unless it happens to be included in the switch’s logs, which it usually isn’t).

Like @mutefall said, it’s usually some kind of misconfiguration. Hence you begin to dump the entire switch config into a file and then run diff against the config of a working switch. 🤣 Sometimes this approach works, sometimes it doesn’t …

We recently changed from Cisco to MikroTik switches. At least those switches offer some kind of basic API, which means we can configure them via our config management – instead of using the switch’s web UI or SSH, like some cave men. That should make our life much easier.

Honestly, all the switches I’ve seen so far were total crap. So far, MikroTik is the best thing. Maybe there are actually good switches out there, but they probably cost a ton of money, and we can’t afford that.

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In-reply-to » Spent the last few days debugging network issues at work.

@prologic In this particular case: Figuring out why a switch decided not to forward ARP broadcasts to certain switch ports. Like, you connect two devices to the switch ports 3 and 4 and they can ping each other – but when you move one of them to port 5, no ping anymore. So, rather low-level stuff.

Or, we have another switch that intermittently doesn’t respond on its management IP anymore (even when you connect your laptop directly to the switch with no other networking hardware in between). I still haven’t figured out this issue.

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Spent the last few days debugging network issues at work.

Exhausting. You never get a full picture. You poke a little here, poke a little there, … Form a hypothesis and test it. Eventually, maybe, you can narrow it down a bit to some segment or even some component.

A very time consuming process. Even more so if you try not to cause downtimes for your users.

I want a magical device that allows me to look inside a cable/fibre.

But hey, at least we got rid of a bunch of Cisco switches in the process. So there’s that.

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In-reply-to » My twtxt.txt feed grew over 700 KiB, so I thought I write a Python script to split it into monthly archive feeds. Now the only things left are automating the execution, automatically rewriting the main feed as well and adding support in tt, so that the full feed is reconstructed in the cache.

@lyse@lyse.isobeef.org Working fine on my end. 👌

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In-reply-to » I experimented with photographing the moon again. And of course it profoundly went wrong, what did you think?

@lyse@lyse.isobeef.org I don’t think it went wrong. That’s the best you can get if you can’t change the exposure time. 😅

(And if you can change it, you’ll see nothing but the moon, no clouds anymore. Boom, you have to go for HDR. It’s really not that easy to take pictures of this little rock floating through space.)

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In-reply-to » Netflix Tells Employees Ads May Come by the End of 2022 Netflix could introduce its lower-priced ad-supported tier by the end of the year, a more accelerated timeline than originally indicated, the company told employees in a recent note. From a report: In the note, Netflix executives said that they were aiming to introduce the ad tier in the final three months of the year, according to two people who shared details of the ... ⌘ Read more

@prologic God dammit 🤣

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In-reply-to » Driving to the office feels absolutely bizarre now. This car traffic … everyone acts like it’s a race track. Sheer egoism, everywhere you look: “I won’t let YOU pass, who do you think you are?!” It’s probably always been like that, I’ve just grown blind to it over time. 😳

@lyse@lyse.isobeef.org It’d take a bit over an hour, they say. So they’re assuming a speed around 16kph – is that realistic?! 😅

Right, going with a bike on a highway isn’t going to be fun if things stay as they are now. But imagine the number of cars reduced to 10% and they’re only allowed to go ~30kph or maybe 50kph … Yeah, it’s never going to happen, I know. 😑

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In-reply-to » Driving to the office feels absolutely bizarre now. This car traffic … everyone acts like it’s a race track. Sheer egoism, everywhere you look: “I won’t let YOU pass, who do you think you are?!” It’s probably always been like that, I’ve just grown blind to it over time. 😳

@lyse@lyse.isobeef.org Whoops, I forgot about that reply. But now that you’ve mentioned bikes in the other thread, I remembered … 😅

This is the height profile that Google has calculated: Looks exhausting, if you ask me. I never tried, though, I don’t even own a bike at the moment.

Fun fact: It’s 21km if you’re going by bike. Everything is optimized towards cars. I wish they would just dedicate one lane on the highway for bikes and the other lane has a limit of 30kph. Or something like that. 😐

And then, when I arrive at the office, I’d have no idea where to put my bike. If it’s just me, I’d find a spot, sure – but what if everyone does it? Turns out, it’s a bit of an unsolved problem. (But hey, if we wanted to do this, if we wanted to get people to use bikes, we’d find a solution. Even those underground parking garages in the video sound like a dream to me.)

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In-reply-to » On Saturday it was sunny and so we went on a short 19 km tandem ride in my area. The bike was designed in the hillless Netherlands, so that's presumably why in areas like mine the battery is flattened in no time. They claim a maximum range of 40 km in the flat. We only engaged the motor on the way up to save on juice.

@lyse@lyse.isobeef.org I’ve never seen a bike like that. 😲 Actual chairs instead of those tiny saddles – is that as comfortable as I think it is? 😅

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In-reply-to » Well, that was a horrible day at work (on this lovely Saturday). Rack too small, room too small, shitty cable management, can’t even access the back of the rack, lots of swearing, took way longer than expected, … 😮‍💨

@lyse@lyse.isobeef.org Mostly, but I have some more debugging to do. Means: More time in the office. 😑

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