If you’re a mere mortal you have to wait for your broker to have a sufficient number of shares available for shorting. If you’re a giant hedge fund or other financial entity with a blatant disregard for the rules, then sure. You just short the stocks naked and issue a failure to deliver if you can’t locate enough shares to cover.
More or less. I don’t think many people use Hyper-V as a type 1 hyper visor in their home labs (unless that’s what they’re using at work and trying to learn for there), but I could be wrong. I think the more common comparison would be ESXi.
There’s a way to do it on Linux. It requires the acpi_call kernel module and a couple of shell commands. Here’s a write up: https://tildehacker.com/lenovo-ideapad-battery-conservation-mode-gnu-linux
I thought that stopped working when they instituted the new system where you have to link your account
If you’re going to directly connect them using just a single cable then it needs to be a crossover cable and he’ll need to set the IP manually on each end. Most people don’t have a crossover cable lying around. It would be easier to plug both computers into a router/switch and do a network transfer or just get a USB adapter for whatever kind of drive is in the old computer.
Edit: it’s been a while since I needed to dot do that and apparently modern Ethernet doesn’t need specialized cables anymore. TIL.