查看centos CPU、内存、版本等信息

2018-12-29

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查看当前linux的系统版本

cat /etc/redhat-release

查看内核版本

uname -a

查看CPU是32位还是64位

getconf LONG_BIT

查看CPU型号

cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c

# 总核数 = 物理CPU个数 X 每颗物理CPU的核数
# 总逻辑CPU数 = 物理CPU个数 X 每颗物理CPU的核数 X 超线程数

# 查看物理CPU个数

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

# 查看每个物理CPU中core的个数(即核数)

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

# 查看逻辑CPU的个数

cat /proc/cpuinfo| grep "processor"| wc -l

查看CPU详细信息

cat /proc/cpuinfo 

查看磁盘大小

df -h

查看磁盘详细信息

dmesg | grep ATA

查看主板信息

dmidecode

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  服务器品牌
        Manufacturer:                                  
        Product Name:              （没有信息表示非品牌或未识别）                    
        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  主板型号/主板信息
        Manufacturer: Intel Corporation
        Product Name: DG43GT
        Version: AAE62768-300
        Serial Number: BTGT9340022N

Processor Information  CPU信息/CPU型号/CPU主频
        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  @ 2.93GHz   
        Voltage: 1.2 V
        External Clock: 266 MHz
        Max Speed: 4000 MHz
        Current Speed: 2931 MHz
        Status: Populated, Enabled
        Upgrade: Socket LGA775

Cache Information  硬件和CPU缓存情况
        Socket Designation: 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语言
        Installable Languages: 1
                en|US|iso8859-1
        Currently Installed Language: en|US|iso8859-1

Physical Memory Array  主板最大支持内存
        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  目前的内存
        Starting Address: 0x00000000000
        Ending Address: 0x000FFFFFFFF
        Range Size: 4 GB
        Physical Array Handle: 0x002B
        Partition Width: 0

On Board Device Information  显卡型号
        Type: Video
        Status: Enabled
        Description:  Intelr GMA X4500 Video Device