CentOS下查看CPU和內存信息

1 查看CPU信息

[root@172 ~]# lscpu 
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                8
On-line CPU(s) list:   0-7
Thread(s) per core:    1
Core(s) per socket:    1
Socket(s):             8
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 22
Model name:            Ksyun Virtual Senior CPU(ksyun-cpu64-senior)
Stepping:              3
CPU MHz:               2699.998
BogoMIPS:              5399.99
Hypervisor vendor:     KVM
Virtualization type:   full
L1d cache:             32K
L1i cache:             32K
L2 cache:              1024K
L3 cache:              33792K
NUMA node0 CPU(s):     0-7
Flags:                 fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb lm constant_tsc rep_good nopl eagerfpu pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic popcnt aes xsave avx f16c rdrand hypervisor lahf_lm abm fsgsbase bmi1 avx2 smep bmi2 erms xsaveopt

2 查看內存信息

[root@172 ~]# free  -m
              total        used        free      shared  buff/cache   available
Mem:          16047        1952        7398          16        6696       13732
Swap:             0           0           0

圖中所示，該系統配置為CPU8核，內存為16G。