在Linux下使用命令查看服務器配置信息

查看服務器型號

dmidecode | grep "System Information" -A9 | egrep "Manufacturer|Product"
    Manufacturer: Sugon
Product Name: W580-G20

查看操作系統

cat /etc/redhat-release
CentOS Linux release 7.3.1611 (Core)

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

查看CPU信息

cat /proc/cpuinfo
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型號

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

查看邏輯CPU個數

cat /proc/cpuinfo |grep name |cut -d: -f2 |uniq -c
cat /proc/cpuinfo| grep "processor"| wc -l

查看物理CPU個數

cat /proc/cpuinfo |grep "physical id" |sort -u |wc -l

查看每個物理CPU中core的個數(即核數)

cat /proc/cpuinfo | grep "cpu cores" | uniq
cpu cores   : 6

top命令

top後按1可以看到多少個CPU

查看磁盤信息

fdisk -l

查看內存的插槽數，已經使用多少插槽，每條內存多大

dmidecode | grep -A5 "Memory Device" | grep Size |grep -v Range
    Size: 32 GB
    Size: No Module Installed
    Size: No Module Installed
    Size: No Module Installed
    Size: No Module Installed
    Size: No Module Installed
    Size: No Module Installed
    Size: No Module Installed
    Size: 32 GB
    Size: No Module Installed
    Size: No Module Installed
    Size: No Module Installed
    Size: No Module Installed
    Size: No Module Installed
    Size: No Module Installed
    Size: No Module Installed

查看硬盤和分區分佈

lsblk
NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda           8:0    0 558.9G  0 disk 
├─sda1        8:1    0     1G  0 part /boot
└─sda2        8:2    0 557.9G  0 part 
  ├─cl-root 253:0    0    50G  0 lvm  /
  ├─cl-swap 253:1    0  31.4G  0 lvm  [SWAP]
  └─cl-home 253:2    0 476.5G  0 lvm  /home
sr0          11:0    1  1024M  0 rom  

查看網卡的硬件信息

lspci | grep -i 'eth'