2018-12-29
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