Linux 查看内存的插槽数，已经使用多少插槽。每条内存多大，已使用内存多大
[root@HNTX-XY-PIM-HA5 ~]# dmidecode|grep -P -A5 "Memory\s+Device"|grep Size|grep -v Range
Size: 512 MB
Size: No Module Installed
Size: 512 MB
Size: No Module Installed
Size: 512 MB
Size: No Module Installed
Size: 512 MB
Size: No Module Installed
查看内存支持的最大内存容量
[root@HNTX-XY-PIM-HA5 ~]# dmidecode|grep -P 'Maximum\s+Capacity'
Maximum Capacity: 32 GB
查看内存的频率
dmidecode|grep -A16 "Memory Device"
[root@HNTX-XY-PIM-HA5 ~]# dmidecode|grep -A16 "Memory Device"|grep 'Speed'
Speed: 667 MHz (1.5 ns)
Speed: Unknown
Speed: 667 MHz (1.5 ns)
Speed: Unknown
Speed: 667 MHz (1.5 ns)
Speed: Unknown
Speed: 667 MHz (1.5 ns)
Speed: Unknown
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