Linux查看內存大小和插槽

Linux 查看內存的插槽數，已經使用多少插槽，每條內存多大，已使用內存多大

dmidecode | grep  -P  -A5  "Memory\s+Device" | grep Size | grep -v Range 

        Size: 16384 MB
        Size: No Module Installed
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed

Linux 查看內存支持的最大內存容量

dmidecode | grep -P  'Maximum\s+Capacity'

        Maximum Capacity: 1536 GB

Linux 查看內存的頻率

dmidecode | grep -A16 "Memory Device" | grep "Speed"

        Speed: 1600 MHz (0.6 ns)
        Speed: Unknown
        Speed: Unknown
        Speed: 1600 MHz (0.6 ns)
        Speed: Unknown
        Speed: Unknown
        Speed: Unknown
        Speed: Unknown
        Speed: 1600 MHz (0.6 ns)
        Speed: Unknown
        Speed: Unknown
        Speed: 1600 MHz (0.6 ns)
        Speed: 1600 MHz (0.6 ns)
        Speed: Unknown
        Speed: Unknown
        Speed: 1600 MHz (0.6 ns)
        Speed: Unknown
        Speed: Unknown
        Speed: Unknown
        Speed: Unknown
        Speed: 1600 MHz (0.6 ns)
        Speed: Unknown
        Speed: Unknown
        Speed: 1600 MHz (0.6 ns)

查看詳細的主板信息

dmidecode | grep -A16 "System Information$"

查看詳細的內存信息

dmidecode | grep -A16 "Memory Device$"
dmidecode -t memory

原文：http://wsgzao.github.io/post/linux-memory/