查看服务器型号
dmidecode | grep "System Information" -A9 | egrep "Manufacturer|Product"
Manufacturer: Sugon
Product Name: W580-G20
查看操作系统
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型号
cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c
12 Intel(R) Xeon(R) CPU E5-2609 v3 @ 1.90GHz
查看逻辑CPU个数
cat /proc/cpuinfo |grep name |cut -d: -f2 |uniq -c
cat /proc/cpuinfo| grep "processor"| wc -l
查看物理CPU个数
cat /proc/cpuinfo |grep "physical id" |sort -u |wc -l
查看每个物理CPU中core的个数(即核数)
cat /proc/cpuinfo | grep "cpu cores" | uniq
cpu cores : 6
top命令
top后按1可以看到多少个CPU
查看磁盘信息
fdisk -l
查看内存的插槽数,已经使用多少插槽,每条内存多大
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
查看硬盘和分区分布
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
查看网卡的硬件信息
lspci | grep -i 'eth'