显示系统# uname -a #内核/OS/CPU信息#显示头1/etc/issue #版本#显示#cat/proc/CPUinfo#CPU信息# hostname #计算机名称已加载内核模块列表# env #查看环境变量资源# free -m #查看内存使用情况和交换空间使用情况# df -h #查看分区使用情况# du -sh #查看指定目录的大小# grep MMI grep MemFree /proc/meminfo #查看可用内存量# uptime #系统运行时间、用户数、负载# cat /proc/loadavg #系统负载磁盘和分区# mount|cocod fdavg swapon -s #查看所有交换分区#查看# hdparm -i /dev/hda #磁盘参数(仅限IDE设备) # dmesg | grep IDE #启动时查看IDE设备发现情况查看所有网络接口属性# iptables-l # root n #路由表# netstat -lntp #查看所有监听端口# netstat -antp #查看所有已建立的连接的查看网络统计信息进程# ps -ef #查看所有进程# top #实时查看进程状态用户# w #活动用户查看指定的用户信息# last #查看用户登录# cut-d 330 查看系统中的所有用户# cut -d: -f1 /etc/group #查看系统中的所有组# crontab -l #查看当前用户的计划任务服务chkconfig --list #
# rpm -qa #显示所有已安装的软件包
查看网卡型号
[ root @ www.CTO home.com ] # lspci|grep Ethernet 00336019.0以太网控制器3360英特尔公司82567 v-2千兆网络控制器
检查内存和cpu中最常见的命令。
[ root @ www.CTO home.com ] # freetotalusedfreesharedbufferscachedmem 33603069504528762540628076648396152-/buffers/cchers
[ root @ www.CTO home.com ] # cat/proc/CPU info processor 3360 vendor _ id : genuineintelcpufamily 33606 model 336023 model del
显示硬盘信息(显示硬盘型号和硬盘序列号) :
[ root @ www.CTO home.com ] # df-hfilesystemsizeusedavailuse % mounted on/dev/sda 5.0 g 272 m 1.6 g 15 %/dev/sda 8199 g 199
da3 9.7G 1.3G 7.9G 15% /usr/dev/sda2 9.7G 198M 9.0G 3% /badhd/dev/sda1 99M 17M 77M 18% /boot 方法1：[root@www.ctohome.com]# 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@www.ctohome.com]# dmesg | grep ATAata1: SATA max UDMA/133 cmd 0xf190 ctl 0xf180 bmdma 0xf150 irq 185ata2: SATA max UDMA/133 cmd 0xf170 ctl 0xf160 bmdma 0xf158 irq 185ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)ata1.00: ATA-8: SAMSUNG HE253GJ, 1AJ30001, max UDMA/133ata2: SATA link down (SStatus 0 SControl 300)Vendor: ATA Model: SAMSUNG HE253GJ Rev: 1AJ3ata3: SATA max UDMA/133 cmd 0xf130 ctl 0xf120 bmdma 0xf0f0 irq 185ata4: SATA max UDMA/133 cmd 0xf110 ctl 0xf100 bmdma 0xf0f8 irq 185ata3: 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@www.ctohome.com]#dmidecode|more# dmidecode 2.10SMBIOS 2.4 present.57 structures occupying 2318 bytes.Table at 0x000E84B0.Handle 0x0000, DMI type 0, 24 bytesBIOS Information Vendor: Intel Corp. Version: GTG4310H.86A.0019.2009.0625.1334 Release Date: 06/25/2009
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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 SpecifiedHandle 0x0002, DMI type 2, 15 bytesBase 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: 4Handle 0x002C, DMI type 19, 15 bytesMemory Array Mapped Address 目前的内存 Starting Address: 0x00000000000 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(某日我们买了一台dell品牌服务器，如何确定没有被忽悠呢？)：
[root@www.ctohome.com]#dmidecode|more (如果能看到dell的型号，就可以肯定没错了)
Handle 0x0100, DMI type 1, 27 bytesSystem 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 SpecifiedHandle 0x0200, DMI type 2, 9 bytesBase Board Information Manufacturer: Dell Inc. Product Name: 0V52N7 Version: A02 Serial Number: ..CN708210CD0166. Asset Tag: Not SpecifiedHandle 0x0300, DMI type 3, 21 bytesChassis Information Manufacturer: Dell Inc. Type: Main Server Chassis Lock: Present Version: Not Specified Serial Number: J47RBP1