1、查看服务器型号：dmidecode | grep 'Product Name'
2、查看主板的序列号：dmidecode |grep 'Serial Number'
3、查看系统序列号：dmidecode -s system-serial-number
4、查看内存信息：dmidecode -t memory
5、查看OEM信息：dmidecode -t 11

[root@node1~]# dmidecode -t system 或者 dmidecode -t 1
dmidecode 2.11
SMBIOS 2.7 present.

Handle 0x0100, DMI type 1, 27 bytes
System Information
Manufacturer: Dell Inc.
Product Name: PowerEdge R720xd
Version: Not Specified
Serial Number: FJ2SHY1
UUID: 4C4C4544-004A-3210-8053-C6C04F485931
Wake-up Type: Power Switch
SKU Number: SKU=NotProvided;ModelName=PowerEdge R720xd
Family: Not Specified

 ethtool -i ens33 网卡驱动版本 

linux系统上查看载体为实体机（物理机）还是虚拟机？  ：dmidecode |grep Product