服务器型号

[root@k80 ~]# dmidecode|grep "System Information" -A9|egrep  "Manufacturer|Product"
Manufacturer: Sugon
Product Name: W580-G20

操作系统

查看当前操作系统发行版信息

[root@k80 ~]# cat /etc/redhat-release
CentOS Linux release 7.3.1611 (Core)

查看操作系统发行版详细信息

[root@k80 ~]# lsb_release -a
LSB Version:    :core-4.1-amd64:core-4.1-noarch
Distributor ID: CentOS
Description:    CentOS Linux release 7.3.1611 (Core)
Release:    7.3.1611
Codename:   Core
CPU

查看CPU统计信息

[root@k80 ~]# lscpu
Architecture:          x86_64
CPU op-mode(s):       32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):               12
On-line CPU(s) list:   0-11
Thread(s) per core:    1
Core(s) per socket:    6
Socket(s):             2
NUMA node(s):          2
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 63
Model name:            Intel(R) Xeon(R) CPU E5-2609 v3 @ 1.90GHz
Stepping:              2
CPU MHz:               1780.062
BogoMIPS:              3805.02
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              15360K
NUMA node0 CPU(s):     0-5
NUMA node1 CPU(s):     6-11

查看CPU型号

[root@k80 ~]# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c
12  Intel(R) Xeon(R) CPU E5-2609 v3 @ 1.90GHz

查看物理CPU个数

[root@k80 ~]# cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l
2

查看每个物理CPU中core的个数(即核数)

[root@k80 ~]# cat /proc/cpuinfo| grep "cpu cores"| uniq
cpu cores   : 6

查看逻辑CPU的个数

[root@k80 ~]# cat /proc/cpuinfo| grep "processor"| wc -l
12

内存

查看概要内存使用情况