如何查询服务器的cpu、内存、硬盘信息

001、cpu

a、

[root@pc1 home]# lscpu | head     ## lscpu命令
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                4
On-line CPU(s) list:   0-3
Thread(s) per core:    1
Core(s) per socket:    4
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel

b、

[root@pc1 home]# cat /proc/cpuinfo | head     ## 查看cpu详情
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 154
model name      : 12th Gen Intel(R) Core(TM) i5-12500H
stepping        : 3
microcode       : 0x41b
cpu MHz         : 3110.408
cache size      : 18432 KB
physical id     : 0

002、内存

a、

[root@pc1 home]# free -h        ## 内存信息
              total        used        free      shared  buff/cache   available
Mem:           3.7G        926M        453M         77M        2.3G        2.3G
Swap:          3.9G        6.5M        3.9G

b、

[root@pc1 home]# cat /proc/meminfo | head     ## 内存信息
MemTotal:        3861508 kB
MemFree:          465500 kB
MemAvailable:    2369640 kB
Buffers:              36 kB
Cached:          1949028 kB
SwapCached:          604 kB
Active:          1598288 kB
Inactive:        1016784 kB
Active(anon):     125156 kB
Inactive(anon):   620444 kB