Secure boot has been a requirement for like 10+ years now. I think windows 8 was when they required it on all new computers. You could turn it off if you really wanted and I think it would still work, but why would you? Linux has played well with it for almost as long.

Make the account

Export your subscriptions/saved/other settings in the lemmy settings. Then import that on the new account.

For servers physical space is also a huge concern. 2.5” drives cap out at like 6tb I think, while you can easily find an 8tb 2.5” SSD anywhere. We have 16tb drives in one of our servers at work and they weren’t even that expensive. (Relatively)