Linux或freebsd,如果是vps,好像必须得是KVM的才能查看。
SSD是非转动磁盘
cat /sys/block/sda/queue/rotational
返回 0, 就是 SSD。
lsusb and fdisk -l There's a method to turn USB power on which is probably not persistent. I hope this will help you. echo 0 > /sys/c...