linux下查看机器配置

查看cpu信息:lscpu

Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 48  //总逻辑CPU数:物理CPU个数*每个物理CPU核数*超线程数
On-line CPU(s) list: 0-47
Thread(s) per core: 2  //超线程数
Core(s) per socket: 12  //每个物理CPU核数
Socket(s): 2  //物理CPU个数
NUMA node(s): 2
Vendor ID: GenuineIntel
CPU family: 6
Model: 79
Stepping: 1
CPU MHz: 2200.078
BogoMIPS: 4399.33
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 30720K
NUMA node0 CPU(s): 0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46
NUMA node1 CPU(s): 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47

查看内存信息:free -g

[root@SPA-123-69-58 ~]# free -g
total used free shared buffers cached
Mem: 125 1 124 0 0 0
-/+ buffers/cache: 0 124
Swap: 62 0 62 //总内存为125G

查看硬盘信息:lsblk

[root@SPA-123-69-58 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 2.2T 0 disk
├─sda1 8:1 0 1G 0 part /boot
├─sda2 8:2 0 62.5G 0 part [SWAP]
├─sda3 8:3 0 48.8G 0 part /
└─sda4 8:4 0 2.1T 0 part /app
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