View the hardware model in Linux/centos

In Linux/centos, how does one view Nic models, motherboard models, CPU/graphics card information, hard disk models, and other hardware information?

View Nic Model

[Root@www.ctohome.com] # lspci | grep Ethernet
00:19. 0 Ethernet controller: Intel Corporation 82567v-2 gigabit network connection

The most direct and Common commands for viewing memory and CPU:

[Root@www.ctohome.com] # Free
Total used free shared buffers cached
Mem: 3069504 528876 2540628 0 76648 396152
-/+ Buffers/cache: 56076 3013428
Swap: 5124692 0 5124692

[Root@www.ctohome.com] # Cat/proc/cpuinfo
Processor: 0
Vendor_id: genuineintel
CPU family: 6
Model: 23
Model name: Pentium (r) dual-core CPU e6500 @ 2.93 GHz
Stepping: 10
CPU MHz: 1596.000
Cache size: 2048 KB

View hard disk information (view Hard Disk Model and hard disk serial number ):

[Root@www.ctohome.com] # DF-H.
Filesystem size used avail use % mounted on
/Dev/sda5 2.0g 272 M 1.6g 15%/
/Dev/sda8 199g 188 m 189g 1%/home
/Dev/sda3 9.7g 1.3 GB 7.9g 15%/usr
/Dev/sda2 9.7g 198 m 9.0g 3%/var
/Dev/sda1 99 m 17 M 77 m 18%/boot
 
Method 1:
[Root@www.ctohome.com] # hdparm-I/dev/SDA

/Dev/SDA:

Model = Samsung he251_j, fwrev = 1aj30001, serialno = s2b5j90zc12060
Config = {fixed}
Rawchs = 16383/16/63, trksize = 0, sectsize = 0, eccbytes = 4
Bufftype = unknown, buffsize = 16384kb, maxmultsect = 16, multsect =? 16?
Curchs = 16383/16/63, cursects = 16514064, LBA = Yes, lbasects = 268435455
Iordy = ON/OFF, tpio = {min: 120, W/iordy: 120}, TDMA = {min: 120, REC: 120}
Pio modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
Udma modes: udma0 udma1 udma2
Advancedpm = yes: Disabled (255) writecache = Enabled
Drive conforms to: Unknown: ATA/ATAPI-0 ATA/ATAPI-1 ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5

* Signifies the current active mode

Method 2:

[Root@www.ctohome.com] # dmesg | grep ATA
ATA1: SATA Max udma/133 cmd 0xf190 CTL 0xf180 bmdma 0xf150 IRQ 185
ATA2: SATA Max udma/133 cmd 0xf170 CTL 0xf160 bmdma 0xf158 IRQ 185
ATA1: SATA link up 3.0 Gbps (sStatus 123 scontrol 300)
Ata1.00: ATA-8: Samsung he25213j, 1aj30001, Max udma/133
ATA2: SATA link down (sStatus 0 scontrol 300)
Vendor: ata model: Samsung he251_j Rev: 1aj3
Ata3: SATA Max udma/133 cmd 0xf130 CTL 0xf120 bmdma 0xf0f0 IRQ 185
Ata4: SATA Max udma/133 cmd 0xf110 CTL 0xf100 bmdma 0xf0f8 IRQ 185
Ata3: SATA link down (sStatus 0 scontrol 300)
Ata4: SATA link down (sStatus 0 scontrol 300)
Ata5: Pata Max udma/100 cmd 0xe040 CTL 0xe030 bmdma 0xe000 IRQ 177
 

[Root@www.ctohome.com] #Dmidecode | more
# Dmidecode 2.10
Smbios 2.4 present.
57 structures occupying 2318 bytes.
Table at 0x000e84b0.

Handle 0x0000, DMI Type 0, 24 bytes
BIOS Information
Vendor: Intel Corp.
Version: gtg4310h. 86a. 0019.2009.0625.1334
Release date: 06/25/2009

.....

System Information Server brand
Manufacturer:
Product Name: (no information indicates non-brand or unrecognized)
Version:
Serial number:
UUID: 889bd67e-8d96-11de-ac40-0013d4d9c9e8
Wake-up type: Power Switch
SKU number: Not specified
Family: Not specified

Handle 0x0002, DMI type 2, 15 bytes
Base Board information motherboard model/motherboard Information
Manufacturer: Intel Corporation
Product Name: dg43gt
Version: AAE62768-300
Serial number: btgt9340022n

Processor information CPU information/CPU model/CPU clock speed
Socket Designation: Processor
Type: central processor
Family: Pentium d
Manufacturer: Intel (r) Corp.
ID: 7A 06 01 00 FF FB EB BF
Signature: Type 0, family 6, model 23, stepping 10
Version: Pentium (r) dual-core CPU e6500 @ 2.93 GHz
Voltage: 1.2 V
External clock: 266 MHz
Max speed: 4000 MHz
Current Speed: 2931 MHz
Status: populated, enabled
Upgrade: Socket lga775

Cache Information hardware and CPU Cache
Socket design: L1-Cache
Configuration: enabled, not socketed, level 1
Operational Mode: Write back
Location: Internal
Installed size: 32 KB
Maximum Size: 32 KB

BiOS Language Information BIOS Language
Installable versions ages: 1
En | us | iso8859-1
Currently Installed Language: en | us | iso8859-1

Physical memory array maximum memory available on the motherboard
Location: system board or Motherboard
Use: system memory
Error Correction type: None
Maximum capacity: 16 GB
Error information handle: not provided
Number of devices: 4

Handle 0x002c, DMI type 19, 15 bytes
Memory array mapped address current Memory
Starting address: 0x00000000000
Ending address: 0x000ffffffff
Range size: 4 GB
Physical array handle: 0x002b
Partition width: 0

On board device information graphics card model
Type: Video
Status: Enabled
Description: intelr GMA x4500 video device

How can we determine whether a brand server is not fooled? (If we bought a Dell brand server one day, how can we be sure that it is not fooled ?) :

[Root@www.ctohome.com] #Dmidecode | more (if you can see the Dell model, you can certainly be right)

Handle 0x0100, DMI Type 1, 27 bytes
System Information
Manufacturer: Dell Inc.
Product Name: poweredge t110
Version: Not specified
Serial number: j47rbp1
UUID: 4c4c4544-0034-3710-8052-cac04f000031
Wake-up type: Power Switch
SKU number: Not specified
Family: Not specified

Handle 0x0200, DMI type 2, 9 bytes
Base Board information
Manufacturer: Dell Inc.
Product Name: 0v52n7
Version: A02
Serial number:... cn708210cd0166.
Asset Tag: Not specified

Handle 0x0300, DMI Type 3, 21 bytes
Chassis Information
Manufacturer: Dell Inc.
Type: Main server chassis
Lock: Present
Version: Not specified
Serial number: j47rbp1