Apple will randomize your MAC when connecting to networks to maintain privacy. It’s a per-network setting that can be toggled off for your own private network if you want to.

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Why is port 22 open? Is this on your router as well or just the server?

This is SSH, which you should pretty much never have open (to the internet! Local is fine) MC is by default 25565. You will have every bot on the internet probing that port.

You’re saying that data centers are replacing batteries constantly…just imagine the labor costs on that (and the down time), not even considering the material cost.

I’m the tech doing the battery replacements. The big boy UPSes are typically a 3-5 year replacement cycle. Something like this:

(I just picked the last one on my phone so not a great picture, they’re about the size of a small refrigerator)

On rack mount and desktop style UPSes 18-36 months isn’t unreasonable. Some of the smaller UPSes, like APC 750s, go through batteries even faster. My personal theory is that they just get and stay too hot.

There is typically zero downtime while servicing any of them, every critical system has redundant power supply and battery replacements usually don’t interrupt power output anyway. It would take multiple failures to cause any sort of significant downtime, and if it would, we just do them during scheduled downtime.

ATA was rolled into the SCSI subsystem, so both sata and pata are covered by SDX.

BSD is, FreeBSD and OpenBSD (and every other open-source descendant) are not unix-certified, so they are not. BSD was discontinued in 1995 so I assumed that was not what the meme is referencing.

“Very weird to the UNIX world”??? It’s the only one that’s actually UNIX.

The only complaints on this entire post are down to people that have no idea what they’re doing. It’s full-on Dunning-Krueger. There are plenty of training wheels, but they are trivial to disable/bypass if needed. People need to get a lot more comfortable with justifying their preferences with “I don’t like it” rather than inventing problems and proving their own ignorance.