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$$$$$$$$$$$$$$$$$$$$$ cat /proc/version
Linux version 4.2.0-c9 (root@7b840bf4fc5e) (gcc version 4.9.2 (Debian 4.9.2-10) ) #1 SMP Wed Sep 30 16:14:37 UTC 2015

$$$$$$$$$$$$$$$$$$$$$ lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                8
On-line CPU(s) list:   0-7
Thread(s) per core:    2
Core(s) per socket:    4
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 62
Stepping:              4
CPU MHz:               2499.998
BogoMIPS:              4999.99
Hypervisor vendor:     KVM
Virtualization type:   full
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              30720K
NUMA node0 CPU(s):     0-7

$$$$ sudo apt-get install lshw
$$$$ sudo lshw -short
#### ubuntu, debian
$$$$ sudo apt-get install lshw

#### fedora, centos (epel)
$$$$ sudo yum install lshw

$$$$ sudo lshw -short -class memory
$$$$ sudo lshw -class processor
$$$$ sudo lshw -short -class disk
$$$$ sudo lshw -short -class disk -class storage -class volume
$$$$ sudo lshw -class network
$$$$ sudo lshw -html > hardware.html



$ hwinfo --short
$ lspci
$ lspci -v | grep "VGA" -A 12
$ lsscsi
$ lsblk
$ df -H
$ pydf
$ sudo fdisk -l
$ mount | column -t
$ mount | column -t | grep ext
$ free -m


# display information about the processor/cpu
$ sudo dmidecode -t processor

# memory/ram information
$ sudo dmidecode -t memory

# bios details
$ sudo dmidecode -t bios

# cpu information
$ cat /proc/cpuinfo

# memory information
$ cat /proc/meminfo

$ cat /proc/scsi/scsi 
$ cat /proc/partitions 

$ sudo hdparm -i /dev/sda