Getting to know your Hardware

Getting to know your HW of your linux box.

From terminal: Type: hdparm -I /dev/sda | grep Serial

source: http://linuxconfig.org/getting-know-a-hardware-on-your-linux-box

Creating/renaming network device i.e eth1 ; eht2

Creating/renaming stable names for network interfaces

to edit or rearrange device name on centos

vi /etc/udev/rules.d/70-persistent-net.rules