SSD or spinning disk?
By jeltsch on Wed, 09/12/2018 - 19:57sudo apt install smartmontools
sudo smartctl -a /dev/sda
or
cat /sys/block/sda/queue/rotational
The fact that everything looks different doesn't mean that all has changed...
sudo apt install smartmontools
sudo smartctl -a /dev/sda
or
cat /sys/block/sda/queue/rotational