dmidecode命令

dmidecode 这款软件允许你在 Linux 系统下获取有关硬件方面的信息。Dmidecode 遵循 SMBIOS/DMI 标准，其输出的信息包括 BIOS、系统、主板、处理器、内存、缓存等。生产环境：操作系统：CentOS6Dmidecode命令能帮助我们了解服务器硬件信息，具体用法我们不详讲，可以通过man命令获取帮助。[root@sky9896 sky]# man dmidecode[sky@sky9896 ~]$ dmidecode # dmidecode 2.12/dev/mem: Permission denied #登录root才有权限使用dmidecode [sky@sky9896 ~]$ su密码：[root@sky9896 sky]#[root@sky9896sky]# yum install demidecode –y #可以通过以上命令安装或升级demidecode [root@sky9896sky]# dmidecode --type baseboard #获取主板信息# dmidecode2.12SMBIOS 2.5present. Handle0x0002, DMI type 2, 15 bytesBase BoardInformation Manufacturer: LENOVO Product Name: LENOVO Version: To be filled by O.E.M. Serial Number: SS09294619 Asset Tag: To Be Filled By O.E.M. Features: Board is a hosting board Board is replaceable Location In Chassis: To Be Filled ByO.E.M. Chassis Handle: 0x0003 Type: Motherboard Contained Object Handles: 0 [root@sky9896 sky]# dmidecode --ty processor #获取CPU信息# dmidecode 2.12SMBIOS 2.5 present. Handle 0x0004, DMI type 4, 40 bytesProcessor Information Socket Designation:CPU 1 Type: CentralProcessor Family: Other Manufacturer: Intel ID: 76 06 01 00 FF FBEB BF Version: Pentium(R)Dual-Core CPU E5200 @ 2.50GHz Voltage: 1.2 V External Clock: 200MHz Max Speed: 2500 MHz Current Speed: 2500MHz Status: Populated,Enabled Upgrade: Other L1 Cache Handle:0x0005 L2 Cache Handle:0x0006 L3 Cache Handle:0x0007 Serial Number: To BeFilled By O.E.M. Asset Tag: To BeFilled By O.E.M. Part Number: To BeFilled By O.E.M. Core Count: 2 Core Enabled: 2 Thread Count: 2 Characteristics: 64-bit capable[root@sky9896 sky]# dmidecode --ty memory #获取内存信息
# dmidecode 2.12SMBIOS 2.5 present. Handle 0x000A, DMI type 16, 15 bytesPhysical Memory Array Location: System BoardOr Motherboard Use: System Memory Error Correction Type:None Maximum Capacity: 4 GB Error InformationHandle: Not Provided Number Of Devices: 2 Handle 0x000C, DMI type 17, 27 bytesMemory Device Array Handle: 0x000A Error InformationHandle: Not Provided Total Width: 64 bits Data Width: 64 bits Size: 2048 MB Form Factor: DIMM Set: None Locator: DIMM0 Bank Locator: BANK0 Type: DDR2 Type Detail:Synchronous Speed: 800 MHz Manufacturer: Manufacturer00 Serial Number:SerNum00 Asset Tag:AssetTagNum0 Part Number:ModulePartNumber00 Handle 0x000E, DMI type 17, 27 bytesMemory Device Array Handle: 0x000A Error InformationHandle: Not Provided Total Width: Unknown Data Width: Unknown Size: No ModuleInstalled Form Factor: DIMM Set: None Locator: DIMM1 Bank Locator: BANK1 Type: Unknown Type Detail: Unknown Speed: Unknown Manufacturer:Manufacturer01 Serial Number:SerNum01 Asset Tag:AssetTagNum1 Part Number:ModulePartNumber01