Linux View CPU model, memory size, hard disk space command

1 Viewing CPUs

1.1 Viewing the number of CPUs

# Cat/proc/cpuinfo | grep "Physical ID" | Uniq | Wc-l

2

**uniq command: Delete duplicate rows; wc–l command: Count rows * *

1.2 Viewing CPU Cores

# Cat/proc/cpuinfo | grep "CPU Cores" | Uniq

CPU Cores:4

1.3 View CPU Models

# Cat/proc/cpuinfo | grep ' model name ' |uniq

Model Name:intel (R) Xeon (r) CPU E5630 @ 2.53GHz

Summary: The server has 2 4-core CPUs, Model Intel (R) Xeon (r) CPU E5630 @ 2.53GHz

2 Viewing memory

2.1 View Total Memory

#cat/proc/meminfo | grep memtotal

memtotal:32941268 KB//Memory 32G

2.2 Viewing the number of memory bars

This section is from Sina Blog "Linux View memory Number"

View Original:

# Dmidecode |grep-a16 "Memory device$"

Memory Device

Array handle:0x1000

Error Information Handle:not provided

Total width:72 Bits

Data width:64 Bits

size:2048 MB//1-piece 2G memory

Form Factor:dimm

Set:1

Locator:dimm1

Bank Locator:not Specified

Type:ddr2

Type detail:synchronous

speed:667 MHz

manufacturer:7f7f7f7f7f510000

Serial number:0403e324

Asset tag:450721

Part NUMBER:72T256220HR3SA

--

Memory Device

Array handle:0x1000

Error Information Handle:not provided

Total width:72 Bits

Data width:64 Bits

size:2048 MB//1-piece 2G memory

Form Factor:dimm

Set:1

locator:dimm2

Bank Locator:not Specified

Type:ddr2

Type detail:synchronous

speed:667 MHz

manufacturer:7f7f7f7f7f510000

Serial number:0403e324

Asset tag:450721

Part NUMBER:72T256220HR3SA

--

Memory Device

Array handle:0x1000

Error Information Handle:not provided

Total width:72 Bits

Data width:64 Bits

Size:no Module installed//1 Memory empty Slots

Form Factor:dimm

Set:2

Locator:dimm3

Bank Locator:not Specified

Type:ddr2

Type detail:synchronous

Speed:unknown

Manufacturer:

Serial Number:

Asset Tag:

Part number:

--

Memory Device

Array handle:0x1000

Error Information Handle:not provided

Total width:72 Bits

Data width:64 Bits

Size:no Module installed//1 Memory empty Slots

Form Factor:dimm

Set:2

Locator:dimm4

Bank Locator:not Specified

Type:ddr2

Type detail:synchronous

Speed:unknown

Manufacturer:

Serial Number:

Asset Tag:

Part number:

--

Memory Device

Array handle:0x1000

Error Information Handle:not provided

Total width:72 Bits

Data width:64 Bits

Size:no Module installed//1 Memory empty Slots

Form Factor:dimm

Set:3

Locator:dimm5

Bank Locator:not Specified

Type:ddr2

Type detail:synchronous

Speed:unknown

Manufacturer:

Serial Number:

Asset Tag:

Part number:

--

Memory Device

Array handle:0x1000

Error Information Handle:not provided

Total width:72 Bits

Data width:64 Bits

Size:no Module installed//1 Memory empty Slots

Form Factor:dimm

Set:3

Locator:dimm6

Bank Locator:not Specified

Type:ddr2

Type detail:synchronous

Speed:unknown

Manufacturer:

Serial Number:

Asset Tag:

Part number:

Summary: The server has two 2G of memory, free 4 slots

3 Viewing the hard drive

3.1 Viewing hard disk size

# Fdisk-l | grep Disk

disk/dev/cciss/c0d0:146.7 GB, 146778685440 bytes

Summary: Hard disk size 146.7G, that is, the factory trademark 160G

Linux View CPU model, memory size, hard disk space command