https://blog.csdn.net/u011636440/article/details/78611838

chestnut2019 最后发布于2017-11-23 10:55:52 阅读数 39013 收藏

展开

服务器型号

[root@k80 ~]# dmidecode|grep "System Information" -A9|egrep "Manufacturer|Product"

Manufacturer: Sugon

Product Name: W580-G20

操作系统

查看当前操作系统发行版信息

[root@k80 ~]# cat /etc/redhat-release

CentOS Linux release 7.3.1611 (Core)

查看操作系统发行版详细信息

[root@k80 ~]# lsb_release -a

LSB Version: :core-4.1-amd64:core-4.1-noarch

Distributor ID: CentOS

Description: CentOS Linux release 7.3.1611 (Core)

Release: 7.3.1611

Codename: Core

CPU

查看CPU统计信息

[root@k80 ~]# lscpu

Architecture: x86_64

CPU op-mode(s): 32-bit, 64-bit

Byte Order: Little Endian

CPU(s): 12

On-line CPU(s) list: 0-11

Thread(s) per core: 1

Core(s) per socket: 6

Socket(s): 2

NUMA node(s): 2

Vendor ID: GenuineIntel

CPU family: 6

Model: 63

Model name: Intel(R) Xeon(R) CPU E5-2609 v3 @ 1.90GHz

Stepping: 2

CPU MHz: 1780.062

BogoMIPS: 3805.02

Virtualization: VT-x

L1d cache: 32K

L1i cache: 32K

L2 cache: 256K

L3 cache: 15360K

NUMA node0 CPU(s): 0-5

NUMA node1 CPU(s): 6-11

查看CPU型号

[root@k80 ~]# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c

12 Intel(R) Xeon(R) CPU E5-2609 v3 @ 1.90GHz

查看物理CPU个数

[root@k80 ~]# cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l

2

查看每个物理CPU中core的个数(即核数)

[root@k80 ~]# cat /proc/cpuinfo| grep "cpu cores"| uniq

cpu cores : 6

查看逻辑CPU的个数

[root@k80 ~]# cat /proc/cpuinfo| grep "processor"| wc -l

12

内存

查看概要内存使用情况

[root@k80 ~]# free -g

total used free shared buff/cache available

Mem: 62 8 35 2 18 51

Swap: 31 0 31

-g是以GB为单位；也可以使用-m，即以MB为单位

查看内存硬件信息

[root@k80 ~]# dmidecode -t memory

# dmidecode 3.0

Scanning /dev/mem for entry point.

SMBIOS 3.0 present.

Handle 0x002B, DMI type 16, 23 bytes

Physical Memory Array

Location: System Board Or Motherboard

Use: System Memory

Error Correction Type: Multi-bit ECC

Maximum Capacity: 256 GB

Error Information Handle: Not Provided

Number Of Devices: 4

Handle 0x002C, DMI type 17, 40 bytes

Memory Device

Array Handle: 0x002B

Error Information Handle: Not Provided

Total Width: 72 bits

Data Width: 64 bits

Size: 32 GB

Form Factor: DIMM

Set: None

Locator: P1-DIMMA1

Bank Locator: P0_Node0_Channel0_Dimm0

Type: DDR4

Type Detail: Synchronous

Speed: 2400 MHz

Manufacturer: Samsung

Serial Number: 35A24C2F

Asset Tag: P1-DIMMA1_AssetTag (date:17/19)

Part Number: M393A4K40BB1-CRC

Rank: 2

Configured Clock Speed: 1600 MHz

Minimum Voltage: Unknown

Maximum Voltage: Unknown

Configured Voltage: Unknown

……

查看内存详细使用情况

[root@k80 ~]# cat /proc/meminfo

MemTotal: 65683572 kB

MemFree: 35808252 kB

MemAvailable: 52288668 kB

Buffers: 1020 kB

Cached: 18199556 kB

SwapCached: 0 kB

Active: 20343632 kB

Inactive: 7164792 kB

Active(anon): 9343616 kB

Inactive(anon): 2116004 kB

Active(file): 11000016 kB

Inactive(file): 5048788 kB

Unevictable: 0 kB

Mlocked: 0 kB

SwapTotal: 32964604 kB

SwapFree: 32964604 kB

Dirty: 1384 kB

……

查看内存的插槽数,已经使用多少插槽.每条内存多大

[root@k80 ~]# dmidecode|grep -A5 "Memory Device"|grep Size|grep -v Range

Size: 32 GB

Size: No Module Installed

Size: No Module Installed

Size: No Module Installed

Size: No Module Installed...