Check hardware information on Linux

Below is an example of some commands for viewing information about a computer in Linux.

General information:

sudo apt install lshw
sudo lshw

Outputting information to a file in the current directory:

sudo lshw > pcinfo.txt

View server manufacturer:

cat /sys/class/dmi/id/sys_vendor

Information about PCI devices:

lspci -vv

Information about USB devices:


Processor Information:

cat /proc/cpuinfo

Information about free and used RAM, swap:

cat /proc/meminfo

Software RAID Configuration and Status Information:

cat /proc/mdstat

Information about the hard disk:

fdisk -l
fdisk -l /dev/sda6
ls -l /dev/disk/by-uuid
tune2fs -l /dev/sda1 | grep UUID
hdparm -I /dev/sda

View information using dmidecode:

dmidecode -t ID

1 System
2 Base Board
3 Chassis
4 Processor
5 Memory Controller
6 Memory Module
7 Cache
8 Port Connector
9 System Slots
10 On Board Devices
11 OEM Strings
12 System Configuration Options
13 BIOS Language
14 Group Associations
15 System Event Log
16 Physical Memory Array
17 Memory Device
18 32-bit Memory Error
19 Memory Array Mapped Address
20 Memory Device Mapped Address
21 Built-in Pointing Device
22 Portable Battery
23 System Reset
24 Hardware Security
25 System Power Controls
26 Voltage Probe
27 Cooling Device
28 Temperature Probe
29 Electrical Current Probe
30 Out-of-band Remote Access
31 Boot Integrity Services
32 System Boot
33 64-bit Memory Error
34 Management Device
35 Management Device Component
36 Management Device Threshold Data
37 Memory Channel
38 IPMI Device
39 Power Supply

See also my articles:
How to view information about the network adapter in Linux
View information about RAM in Ubuntu

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