Check devices and connections

List disks / block devices:

lsblk:

root@server1:~#

lsblk
NAME    MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS

sda       8:0    0  38.1G  0 disk
├─sda1    8:1    0  37.9G  0 part /
├─sda14   8:14   0     1M  0 part
└─sda15   8:15   0   256M  0 part /boot/efi

 

List PCI controller connections:

lspci

 

List CPU details

lscpu

List USB bus devices

lsusb

lsusb