Ubuntu16下查看CPU、内存和磁盘相关信息

1.内存

查看内存
#free -m
              total        used        free      shared  buff/cache   available
Mem:
Swap:                           

2.CPU

查看逻辑cpu个数:
#cat /proc/cpuinfo | grep "processor" | wc -l

查看物理 cpu个数:
#cat /proc/cpuinfo | grep "physical id" | sort | uniq | wc -l

#cat /proc/cpuinfo | grep physical | uniq -c
       physical id    :
       address sizes    :  bits physical,  bits virtual
       physical id    :
       address sizes    :  bits physical,  bits virtual
       physical id    :
       address sizes    :  bits physical,  bits virtual
       physical id    :
       address sizes    :  bits physical,  bits virtual
       physical id    :
       address sizes    :  bits physical,  bits virtual

查看cpu cores核数:

#cat /proc/cpuinfo | grep "cpu cores" | wc -l

查看cpu 主频、型号: .3GHz
#cat /proc/cpuinfo | grep name |cut -f2 -d: | uniq -c
        Intel(R) Xeon(R) CPU E5- v3 @ .30GHz

3.磁盘大小

查看磁盘空间大小
sudo fdisk -l | grep "Disk /dev/sda"
#Disk /dev/sda:  GiB,  bytes,  sectors