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Linux下查看CPU型号,内存大小,硬盘空间命令

1 查看CPU

1.1 查看CPU个数

# cat /proc/cpuinfo | grep "physical id" | uniq | wc -l

2

**uniq命令：删除重复行;wc –l命令：统计行数**

1.2 查看CPU核数

# cat /proc/cpuinfo | grep "cpu cores" | uniq

cpu cores : 4

1.3 查看CPU型号

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

model name : Intel(R) Xeon(R) CPU E5630 @ 2.53GHz

总结：该服务器有2个4核CPU，型号Intel(R) Xeon(R) CPU E5630 @ 2.53GHz

2 查看内存

2.1 查看内存总数

#cat /proc/meminfo | grep MemTotal

MemTotal: 32941268 kB //内存32G

2.2 查看内存条数

本节内容引自新浪博文《Linux查看内存条数》

查看原文：

# 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条2G内存

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条2G内存

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个内存空槽

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个内存空槽

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个内存空槽

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个内存空槽

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:

总结：该服务器有两条2G内存 ，空余4个插槽

3 查看硬盘

3.1 查看硬盘大小

# fdisk -l | grep Disk

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

总结：硬盘大小146.7G，即厂商标称的160G

Linux下查看CP