查看网卡型号
[root@server]# lspci | grep Ethernet 00:19.0 Ethernet controller: Intel Corporation 82567V-2 Gigabit Network Connection
查看内存和cpu最直接最常用的命令：
[root@server]# free total used free shared buffers cached Mem: 3069504 528876 2540628 0 76648 396152 -/+ buffers/cache: 56076 3013428 Swap: 5124692 0 5124692
[root@server]# cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Pentium(R) Dual-Core CPU E6500 @ 2.93GHz stepping : 10 cpu MHz : 1596.000 cache size : 2048 KB
查看硬盘信息（查看硬盘型号和硬盘序列号）：
[root@server]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda5 2.0G 272M 1.6G 15% / /dev/sda8 199G 188M 189G 1% /home /dev/sda3 9.7G 1.3G 7.9G 15% /usr /dev/sda2 9.7G 198M 9.0G 3% /var /dev/sda1 99M 17M 77M 18% /boot 方法1： [root@server]# hdparm -i /dev/sda /dev/sda: Model=SAMSUNG HE253GJ , FwRev=1AJ30001, SerialNo= S2B5J90ZC12060 Config={ Fixed } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4 BuffType=unknown, BuffSize=16384kB, MaxMultSect=16, MultSect=?16? CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 AdvancedPM=yes: disabled (255) WriteCache=enabled Drive conforms to: unknown: ATA/ATAPI-0 ATA/ATAPI-1 ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7 * signifies the current active mode
方法2：
[root@server]# dmesg | grep ATA ata1: SATA max UDMA/133 cmd 0xf190 ctl 0xf180 bmdma 0xf150 irq 185 ata2: SATA max UDMA/133 cmd 0xf170 ctl 0xf160 bmdma 0xf158 irq 185 ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata1.00: ATA-8: SAMSUNG HE253GJ, 1AJ30001, max UDMA/133 ata2: SATA link down (SStatus 0 SControl 300) Vendor: ATA Model: SAMSUNG HE253GJ Rev: 1AJ3 ata3: SATA max UDMA/133 cmd 0xf130 ctl 0xf120 bmdma 0xf0f0 irq 185 ata4: SATA max UDMA/133 cmd 0xf110 ctl 0xf100 bmdma 0xf0f8 irq 185 ata3: SATA link down (SStatus 0 SControl 300) ata4: SATA link down (SStatus 0 SControl 300) ata5: PATA max UDMA/100 cmd 0xe040 ctl 0xe030 bmdma 0xe000 irq 177
[root@server]# dmidecode|more # dmidecode 2.10 SMBIOS 2.4 present. 57 structures occupying 2318 bytes. Table at 0x000E84B0. Handle 0×0000, DMI type 0, 24 bytes BIOS Information Vendor: Intel Corp. Version: GTG4310H.86A.0019.2009.0625.1334 Release Date: 06/25/2009
…..
System Information 服务器品牌 Manufacturer: Product Name: （没有信息表示非品牌或未识别） Version: Serial Number: UUID: 889BD67E-8D96-11DE-AC40-0013D4D9C9E8 Wake-up Type: Power Switch SKU Number: Not Specified Family: Not Specified Handle 0×0002, DMI type 2, 15 bytes Base Board Information 主板型号/主板信息 Manufacturer: Intel Corporation Product Name: DG43GT Version: AAE62768-300 Serial Number: BTGT9340022N
Processor Information CPU信息/CPU型号/CPU主频 Socket Designation: PROCESSOR Type: Central Processor Family: Pentium D Manufacturer: Intel(R) Corp. ID: 7A 06 01 00 FF FB EB BF Signature: Type 0, Family 6, Model 23, Stepping 10 Version: Pentium(R) Dual-Core CPU E6500 @ 2.93GHz Voltage: 1.2 V External Clock: 266 MHz Max Speed: 4000 MHz Current Speed: 2931 MHz Status: Populated, Enabled Upgrade: Socket LGA775
Cache Information 硬件和CPU缓存情况 Socket Designation: L1-Cache Configuration: Enabled, Not Socketed, Level 1 Operational Mode: Write Back Location: Internal Installed Size: 32 kB Maximum Size: 32 kB
BIOS Language Information BIOS语言 Installable Languages: 1 en|US|iso8859-1 Currently Installed Language: en|US|iso8859-1
Physical Memory Array 主板最大支持内存 Location: System Board Or Motherboard Use: System Memory Error Correction Type: None Maximum Capacity: 16 GB Error Information Handle: Not Provided Number Of Devices: 4 Handle 0x002C, DMI type 19, 15 bytes Memory Array Mapped Address 目前的内存 Starting Address: 0×00000000000 Ending Address: 0x000FFFFFFFF Range Size: 4 GB Physical Array Handle: 0x002B Partition Width: 0
On Board Device Information 显卡型号 Type: Video Status: Enabled Description: Intelr GMA X4500 Video Device
如何确定品牌服务器，不受到忽悠 dell品牌服务器，如何确定没有被忽悠呢？
[root@server]# dmidecode|more （如果能看到dell的型号，就可以肯定没错了）
Handle 0×0100, DMI type 1, 27 bytes System Information Manufacturer: Dell Inc. Product Name: PowerEdge T110 Version: Not Specified Serial Number: J47RBP1 UUID: 4C4C4544-0034-3710-8052-CAC04F425031 Wake-up Type: Power Switch SKU Number: Not Specified Family: Not Specified Handle 0×0200, DMI type 2, 9 bytes Base Board Information Manufacturer: Dell Inc. Product Name: 0V52N7 Version: A02 Serial Number: ..CN708210CD0166. Asset Tag: Not Specified Handle 0×0300, DMI type 3, 21 bytes Chassis Information Manufacturer: Dell Inc. Type: Main Server Chassis Lock: Present Version: Not Specified Serial Number: J47RBP1
来源：http://www.cnblogs.com/youxoo/archive/2012/11/07/2759526.html