Linux 系统配置信息查询 各种查看Linux配置的方法

查看CPU信息

cat /proc/cpuinfo

可以看到CPU是Intel® Core™ i7-10870H CPU @ 2.20GHz
16线程的

查看内存大小

free

可以看到是分配了16298864KB的内存 也就是16G左右
使用top也可以查看

按Shift + E可以切换显示单位

查看系统版本

RetHat系的可以使用，比如CentOS

cat /etc/redhat-release

这个命令在Ubuntu就失效了

Ubuntu可以使用
lsb_release -a 或者 cat /etc/issue

查看系统内核版本

使用

cat /proc/version

查看网卡信息

使用lspci会列出全部的pci设备
通过grep过滤出网卡信息

lspci |grep -i 'eth'

查看主板信息

dmidecode

这个命令会列出主板SMBIOS的各种详细信息，但虚机可能查看不了什么信息

# dmidecode 3.1
Getting SMBIOS data from sysfs.
SMBIOS 2.8 present.
9 structures occupying 398 bytes.
Table at 0x000F6A20.

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
	Vendor: SeaBIOS
	Version: seabios-1.9.1-qemu-project.org
	Release Date: 04/01/2014
	Address: 0xE8000
	Runtime Size: 96 kB
	ROM Size: 64 kB
	Characteristics:
		BIOS characteristics not supported
		Targeted content distribution is supported
	BIOS Revision: 0.0

Handle 0x0100, DMI type 1, 27 bytes
System Information
	Manufacturer: Tencent Cloud
	Product Name: CVM
	Version: 3.0
	Serial Number: e8ccc803-7280-46bf-85c9-f59383af2865
	UUID: E8CCC803-7280-46BF-85C9-F59383AF2865
	Wake-up Type: Power Switch
	SKU Number: Not Specified
	Family: Smdbmds

Handle 0x0300, DMI type 3, 21 bytes
Chassis Information
	Manufacturer: Smdbmds
	Type: Other
	Lock: Not Present
	Version: 3.0
	Serial Number: Not Specified
	Asset Tag: Not Specified
	Boot-up State: Safe
	Power Supply State: Safe
	Thermal State: Safe
	Security Status: Unknown
	OEM Information: 0x00000000
	Height: Unspecified
	Number Of Power Cords: Unspecified
	Contained Elements: 0

Handle 0x0400, DMI type 4, 42 bytes
Processor Information
	Socket Designation: CPU 0
	Type: Central Processor
	Family: Other
	Manufacturer: Smdbmds
	ID: 55 06 05 00 FF FB 8B 0F
	Version: 3.0
	Voltage: Unknown
	External Clock: Unknown
	Max Speed: 2000 MHz
	Current Speed: 2000 MHz
	Status: Populated, Enabled
	Upgrade: Other
	L1 Cache Handle: Not Provided
	L2 Cache Handle: Not Provided
	L3 Cache Handle: Not Provided
	Serial Number: Not Specified
	Asset Tag: Not Specified
	Part Number: Not Specified
	Core Count: 1
	Core Enabled: 1
	Thread Count: 1
	Characteristics: None

Handle 0x1000, DMI type 16, 23 bytes
Physical Memory Array
	Location: Other
	Use: System Memory
	Error Correction Type: Multi-bit ECC
	Maximum Capacity: 2 GB
	Error Information Handle: Not Provided
	Number Of Devices: 1

Handle 0x1100, DMI type 17, 40 bytes
Memory Device
	Array Handle: 0x1000
	Error Information Handle: Not Provided
	Total Width: Unknown
	Data Width: Unknown
	Size: 2048 MB
	Form Factor: DIMM
	Set: None
	Locator: DIMM 0
	Bank Locator: Not Specified
	Type: RAM
	Type Detail: Other
	Speed: Unknown
	Manufacturer: Smdbmds
	Serial Number: Not Specified
	Asset Tag: Not Specified
	Part Number: Not Specified
	Rank: Unknown
	Configured Clock Speed: Unknown
	Minimum Voltage: Unknown
	Maximum Voltage: Unknown
	Configured Voltage: Unknown

Handle 0x1300, DMI type 19, 31 bytes
Memory Array Mapped Address
	Starting Address: 0x00000000000
	Ending Address: 0x0007FFFFFFF
	Range Size: 2 GB
	Physical Array Handle: 0x1000
	Partition Width: 1

Handle 0x2000, DMI type 32, 11 bytes
System Boot Information
	Status: No errors detected

Handle 0x7F00, DMI type 127, 4 bytes
End Of Table

暂时想到这么多，之后会继续补充