Linux下查看CPU型号,内存大小,硬盘空间命令

 　　1 查看CPU,　　1.1 查看CPU个数,　　# cat /proc/cpuinfo | grep "physical id" | uniq | wc -l,　　2,　　**uniq命令：删除重复行;wc –l命令：统计行数**,　　1.2 查看CPU核数,　　# cat /proc/cpuinfo | grep "cpu cores" | uniq,　　cpu cores : 4,　　1.3 查看CPU型号,　　# cat /proc/cpuinfo | grep model name |uniq,　　model name : Intel(R) Xeon(R) CPU E5630 @ 2.53GHz,　　总结：该服务器有2个4核CPU，型号Intel(R) Xeon(R) CPU E5630 @ 2.53GHz,　　2 查看内存,　　2.1 查看内存总数,　　#cat /proc/meminfo | grep MemTotal,　　MemTotal: 32941268 kB //内存32G,　　2.2 查看内存条数,　　本节内容引自新浪博文《Linux查看内存条数》,　　查看原文：,　　# dmidecode |grep -A16 "Memory Device$",　　Memory Device,　　Array Handle: 0x1000,　　Error Information Handle: Not Provided,　　Total Width: 72 bits,　　Data Width: 64 bits,　　Size: 2048 MB //1条2G内存,　　Form Factor: DIMM,　　Set: 1,　　Locator: DIMM1,　　Bank Locator: Not Specified,　　Type: DDR2,　　Type Detail: Synchronous,　　Speed: 667 MHz,　　Manufacturer: 7F7F7F7F7F510000,　　Serial Number: 0403E324,　　Asset Tag: 450721,　　Part Number: 72T256220HR3SA,　　--,　　Memory Device,　　Array Handle: 0x1000,　　Error Information Handle: Not Provided,　　Total Width: 72 bits,　　Data Width: 64 bits,　　Size: 2048 MB //1条2G内存,　　Form Factor: DIMM,　　Set: 1,　　Locator: DIMM2,　　Bank Locator: Not Specified,　　Type: DDR2,　　Type Detail: Synchronous,　　Speed: 667 MHz,　　Manufacturer: 7F7F7F7F7F510000,　　Serial Number: 0403E324,　　Asset Tag: 450721,　　Part Number: 72T256220HR3SA,　　--,　　Memory Device,　　Array Handle: 0x1000,　　Error Information Handle: Not Provided,　　Total Width: 72 bits,　　Data Width: 64 bits,　　Size: No Module Installed //1个内存空槽,　　Form Factor: DIMM,　　Set: 2,　　Locator: DIMM3,　　Bank Locator: Not Specified,　　Type: DDR2,　　Type Detail: Synchronous,　　Speed: Unknown,　　Manufacturer:,　　Serial Number:,　　Asset Tag:,　　Part Number:,　　--,　　Memory Device,　　Array Handle: 0x1000,　　Error Information Handle: Not Provided,　　Total Width: 72 bits,　　Data Width: 64 bits,　　Size: No Module Installed //1个内存空槽,　　Form Factor: DIMM,　　Set: 2,　　Locator: DIMM4,　　Bank Locator: Not Specified,　　Type: DDR2,　　Type Detail: Synchronous,　　Speed: Unknown,　　Manufacturer:,　　Serial Number:,　　Asset Tag:,　　Part Number:,　　--,　　Memory Device,　　Array Handle: 0x1000,　　Error Information Handle: Not Provided,　　Total Width: 72 bits,　　Data Width: 64 bits,　　Size: No Module Installed //1个内存空槽,　　Form Factor: DIMM,　　Set: 3,　　Locator: DIMM5,　　Bank Locator: Not Specified,　　Type: DDR2,　　Type Detail: Synchronous,　　Speed: Unknown,　　Manufacturer:,　　Serial Number:,　　Asset Tag:,　　Part Number:,　　--,　　Memory Device,　　Array Handle: 0x1000,　　Error Information Handle: Not Provided,　　Total Width: 72 bits,　　Data Width: 64 bits,　　Size: No Module Installed //1个内存空槽,　　Form Factor: DIMM,　　Set: 3,　　Locator: DIMM6,　　Bank Locator: Not Specified,　　Type: DDR2,　　Type Detail: Synchronous,　　Speed: Unknown,　　Manufacturer:,　　Serial Number:,　　Asset Tag:,　　Part Number:,　　总结：该服务器有两条2G内存 ，空余4个插槽,　　3 查看硬盘,　　3.1 查看硬盘大小,　　# fdisk -l | grep Disk,　　Disk /dev/cciss/c0d0: 146.7 GB, 146778685440 bytes,　　总结：硬盘大小146.7G，即厂商标称的160G,