(转）如何查看Linux内存信息
1. 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

dmidecode | grep -P -A 5 “Memory\s+Device” | grep Size | grep -v Range

Size: 2048 MB
Size: 2048 MB
Size: No Module Installed
Size: No Module Installed
Size: No Module Installed
Size: No Module Installed
Size: No Module Installed
Size: No Module Installed

2. 支持的最大内存容量

dmidecode | grep -P ‘Maximum\s+Capacity’

Maximum Capacity: 64 GB

3. 查看内存的频率

dmidecode | grep -A16 “Memory Device”
dmidecode | grep -A16 “Memory Device” | grep ‘Speed’

Speed: 667 MHz (1.5 ns)
Speed: 667 MHz (1.5 ns)
Speed: 667 MHz (1.5 ns)
Speed: 667 MHz (1.5 ns)
Speed: 667 MHz (1.5 ns)
Speed: 667 MHz (1.5 ns)
Speed: 667 MHz (1.5 ns)
Speed: 667 MHz (1.5 ns)