Linux下查看CPU型号,内存大小,硬盘空间的命令(详解)

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

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