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Comment Re:The physics is measured, not supposed. (Score 1) 61

It also depends on the safety certification level. If you're in navigation or fuel management systems (DAL-B certification) and such, the rules are very different from DAL-E certified things like the in-flight entertainment / connectivity systems.

Much more rigor is applied to DAL-A / -B / -C as you can imagine, because they are safety critical. And thus the price goes far higher, because active operation must be maintained.

Comment Re: Fuck Trump (Score 1) 341

Oh no, it's something you have to do every other decade rather than every third!!

You will look for any fucking excuse, won't you? By the way, if you're replacing the roof and it wasn't fucked when you put the panels on it (which any sane person would take care of before putting panels over it, but you're clearly not thinking this through), you may as well upgrade the panels too because there's been **20 years** of advancement.

Can you even see past the tip of your own nose?

Comment Re:The physics is measured, not supposed. (Score 3, Informative) 61

That's exactly the calculation. Use redundant storage in-flight, and make LRU swaps very quick on the ground. If you catch a failure in-flight, you have a tech with a replacement LRU waiting for the plane when it lands (for various values of "where" - obviously you don't have techs at every airport).

It's really not that different from anticipating disk failure in a server by having online redundancy, and a service callout to replace the part. Especially if you can quickly refurbish and recertify the LRU and put it right back into the replacement inventory.

Comment Re:If systemd Is So Bad... (Score 1) 42

Also, it's a set of tools, that is more-or-less standardized at this point. In some circles (such as avionics) it's actually a godsend because systemd system extensions (sysext) is an implementation that replaces brittle bullshit that had to be built and maintained by each manufacturer to meet ARINC standards. Now we don't have situation with multiple implementations of the same concept, and every avionics manufacturer owning their own implementation, tooling, and proprietary transfer tools. Now, you just slam out a properly annotated and cryptographically signed SquashFS with software BoM and attestation as a systemd sysext, and you have your ARINC 665 software part. After loaded to the aircraft, the "activation" is literally `systemd-sysext merge`

Many people have far too narrow of a focus to see all the problems these guys are solving, and far too narrow of thinking to realize that everything in systemd doesn't need to apply to everyone, everywhere, 100% of the time.

Comment Re: Democracy on a bad day (Score 1) 341

So your take is that it's a nonviable solution for everyone, everywhere because you had a contractor who acted like a crook?

Meanwhile, when we moved into this house, I called up an electrician and had him come out the same week for a free estimate, and then the next week they put in exactly the circuit I needed for a very reasonable price.

Anecdote != data. Neither yours or mine.

Good lord.

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