查看硬件的一些命令

• 服务器型号

[root@121 ~]# dmidecode |grep -A4 'System Information'
System Information
	Manufacturer: Dell Inc.
	Product Name: PowerEdge R430
	Version: Not Specified
	Serial Number: 5LS8GM2

• 服务器SN

[root@121 ~]# dmidecode|grep "System Information" -A9|egrep  "Manufacturer|Product|Serial" 
	Manufacturer: Dell Inc.
	Product Name: PowerEdge R430
	Serial Number: XXXXXX

• 主板型号

[root@121 ~]# dmidecode |grep -A16 "System Information$"
System Information
	Manufacturer: Dell Inc.
	Product Name: PowerEdge R430
	Version: Not Specified
	Serial Number: 5LS8GM2
	UUID: 4c4c4544-004c-5310-8038-b5c04f474d32
	Wake-up Type: Power Switch
	SKU Number: SKU=NotProvided;ModelName=PowerEdge R430
	Family: Not Specified

Handle 0x0200, DMI type 2, 8 bytes
Base Board Information
	Manufacturer: Dell Inc.
	Product Name: 0CN7X8
	Version: A05
	Serial Number: .5LS8GM2.CNFCP0079J02NQ.

• CPU型号

[root@121 ~]# cat /proc/cpuinfo | grep "model name" | uniq 
model name	: Intel(R) Xeon(R) CPU E5-2603 v4 @ 1.70GHz

• 物理CPU个数

[root@121 ~]# cat /proc/cpuinfo | grep "physical id" | uniq | wc -l
1

• 逻辑CPU个数

[root@121 ~]# cat /proc/cpuinfo| grep "processor"| wc -l
6    

• CPU核心数

[root@121 ~]# cat /proc/cpuinfo| grep "cpu cores"| uniq
cpu cores	: 6

• 内存厂家

[root@121 ~]# dmidecode -t memory | grep Manufacturer
	Manufacturer: 00AD00B300AD
	Manufacturer: 00AD063200AD
	Manufacturer: 00AD00B300AD
	Manufacturer: 00AD00B300AD
	Manufacturer: Not Specified
	Manufacturer: Not Specified
	Manufacturer: Not Specified
	Manufacturer: Not Specified
	Manufacturer: Not Specified
	Manufacturer: Not Specified
	Manufacturer: Not Specified
	Manufacturer: Not Specified

• 内存槽数和已有内存

[root@121 ~]# dmidecode -t memory | grep Size
	Size: 8192 MB
	Size: 8192 MB
	Size: 8192 MB
	Size: 8192 MB
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed

• 最大支持内存

[root@121 ~]# dmidecode|grep -P 'Maximums+Capacity'
	Maximum Capacity: 1536 GB

• 内存频率

[root@121 ~]# dmidecode|grep -A16 "Memory Device"|grep 'Speed'
	Speed: 2400 MT/s
	Speed: 2400 MT/s
	Speed: 2133 MT/s
	Speed: 2133 MT/s
	Speed: Unknown
	Speed: Unknown
	Speed: Unknown
	Speed: Unknown
	Speed: Unknown
	Speed: Unknown
	Speed: Unknown
	Speed: Unknown