linux查看硬件信息命令和教程详解,Linux查看硬件信息命令

﹏ヽ暗。殇╰゛Y 2023-01-20 03:57 18阅读 0赞

一、查看服务器硬件信息

(1)查看服务器型号、序列号

\[root@Master ~\]\# dmidecode|grep "System Information" -A9|egrep  "Manufacturer|Product|Serial"

(2)查看主板型号

\[root@Master ~\]\# dmidecode |grep -A16 "System Information$"

(3)查看BIOS信息

\[root@Master ~\]\# dmidecode -t bios

\# dmidecode 2.12SMBIOS 2.8present.

Handle 0x0008, DMI type 0, 24bytes

BIOS Information

Vendor: HP

Version: U19

Release Date: 12/27/2015Address: 0xF0000Runtime Size: 64kB

ROM Size: 16384kB

Characteristics:

PCI is supported

PNP is supported

BIOS is upgradeable

BIOS shadowing is allowed

ESCD support is available

Boot from CD is supported

Selectable boot is supported

EDD is supported

5.25"/360 kB floppy services are supported (int 13h)

5.25"/1.2 MB floppy services are supported (int 13h)

3.5"/720 kB floppy services are supported (int 13h)

Print screen service is supported (int5h)

8042 keyboard services are supported (int9h)

Serial services are supported (int14h)

Printer services are supported (int17h)

CGA/mono video services are supported (int10h)

ACPI is supported

USB legacy is supported

BIOS boot specification is supported

Function key-initiated network boot is supported

Targeted content distribution is supported

UEFI is supported

BIOS Revision: 2.0Firmware Revision: 2.40

(3)查看内存槽及内存条

\[root@Master ~\]\# dmidecode -t memory | head -45 | tail -23Memory Device

Array Handle: 0x000AError Information Handle: Not Provided

Total Width: 72bits

Data Width: 64bits

Size: 16384MB

Form Factor: DIMM

Set: None

Locator: PROC 1 DIMM 1Bank Locator: Not Specified

Type: DDR4

Type Detail: Synchronous Registered (Buffered)

Speed: 2133MHz

Manufacturer: HP

Serial Number: Not Specified

Asset Tag: Not Specified

Part Number: 752369-081Rank: 2Configured Clock Speed: 2133MHz

Minimum Voltage: 1.2V

Maximum Voltage: 1.2V

Configured Voltage: 1.2V

\[root@Master ~\]\#

(4)查看网卡信息

\[root@Master ~\]\# dmesg | grep -i Ethernet

igb: Intel(R) Gigabit Ethernet Network Driver - version 5.3.0-k

igb 0000:04:00.0: Intel(R) Gigabit Ethernet Network Connection

igb 0000:04:00.1: Intel(R) Gigabit Ethernet Network Connection

igb 0000:04:00.2: Intel(R) Gigabit Ethernet Network Connection

igb 0000:04:00.3: Intel(R) Gigabit Ethernet Network Connection

igb 0000:02:00.0: Intel(R) Gigabit Ethernet Network Connection

igb 0000:02:00.1: Intel(R) Gigabit Ethernet Network Connection

(5) 查看pci信息，即主板所有硬件槽信息

\[root@Master ~\]\# lspci | head -10

00:00.0 Host bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DMI2 (rev 02)

00:01.0 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 1 (rev 02)

00:01.1 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 1 (rev 02)

00:02.0 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 2 (rev 02)

00:02.1 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 2 (rev 02)

00:02.2 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 2 (rev 02)

00:02.3 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 2 (rev 02)

00:03.0 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 3 (rev 02)

00:03.1 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 3 (rev 02)

00:03.2 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 3 (rev 02)

二、查看CPU信息

(1)查看cpu型号

\[root@Master ~\]\# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c

40 Intel(R) Xeon(R) CPU E5-2650 v3 @ 2.30GHz

(2)查看系统中实际物理CPU的数量(物理)

\[root@Master ~\]\# grep 'physical id' /proc/cpuinfo | sort | uniq | wc -l

(3)系统中实际物理CPU的数量(核数)

\[root@Master ~\]\# cat /proc/cpuinfo |grep 'processor'|wc -l

(4)查看每个物理CPU中core的个数(即核数)

\[root@Master ~\]\# cat /proc/cpuinfo |grep "cores"|uniqcpu cores : 10

(5)查看CPU的主频

\[root@Master ~\]\# cat /proc/cpuinfo |grep MHz|uniqcpu MHz : 1200.000cpu MHz : 2300.000cpu MHz : 1200.000

(6)查看CPU的详细信息

\[root@Master ~\]\# cat /proc/cpuinfo | head -20processor : 0 //逻辑处理器的IDvendor\_id : GenuineIntel

cpu family : 6model : 63model name : Intel(R) Xeon(R) CPU E5-2650 v3 @ 2.30GHz //CPU型号

stepping : 2microcode : 54cpu MHz : 1200.000cache size : 25600KB

physical id : 0siblings : 20 //相同物理封装处理器中逻辑处理器数core id : 0cpu cores : 10 //相同物理封装处理器中的内核数apicid : 0initial apicid : 0fpu : yes

fpu\_exception : yes

cpuid level : 15wp : yes

flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant\_tsc arch\_perfmon pebs bts rep\_good xtopology nonstop\_tsc aperfmperf pni pclmulqdq dtes64 monitor ds\_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid dca sse4\_1 sse4\_2 x2apic movbe popcnt tsc\_deadline\_timer aes xsave avx f16c rdrand lahf\_lm abm ida arat epb xsaveopt pln pts dtherm tpr\_shadow vnmi flexpriority ept vpid fsgsbase bmi1 avx2 smep bmi2 erms invpcid cqm cqm\_llc cqm\_occup\_llc

(7)查看CPU的相关信息

\[root@Master ~\]\# lscpu

Architecture: x86\_64

CPU op-mode(s): 32-bit, 64-bit

Byte Order: Little Endian

CPU(s): 40On-line CPU(s) list: 0-39Thread(s) per core: 2Core(s) per socket: 10Socket(s): 2NUMA node(s): 2Vendor ID: GenuineIntel

CPU family: 6Model: 63Model name: Intel(R) Xeon(R) CPU E5-2650 v3 @ 2.30GHz

Stepping: 2CPU MHz: 1200.000BogoMIPS: 4594.43Virtualization: VT-x

L1d cache: 32K

L1i cache: 32K

L2 cache: 256K

L3 cache: 25600K

NUMA node0 CPU(s): 0-9,20-29NUMA node1 CPU(s): 10-19,30-39\[root@Master ~\]\#

(8)查看cpu运行模式

\[root@Master ~\]\# getconf LONG\_BIT

(9)查看cpu是否支持64bit

\[root@Master ~\]\# cat /proc/cpuinfo | grep flags | grep 'lm ' | wc -l

40(结果大于0, 说明支持64bit计算. lm指long mode, 支持lm则是64bit)

三、查看内存信息(1)查看内存硬件信息

root@Master ~\]\# dmidecode -t memory | head -45 | tail -24Handle 0x000C, DMI type 17, 40bytes

Memory Device

Array Handle: 0x000AError Information Handle: Not Provided

Total Width: 72bits

Data Width: 64bits

Size: 16384MB

Form Factor: DIMM

Set: None

Locator: PROC 1 DIMM 1Bank Locator: Not Specified

Type: DDR4

Type Detail: Synchronous Registered (Buffered)

Speed: 2133MHz

Manufacturer: HP

Serial Number: Not Specified

Asset Tag: Not Specified

Part Number: 752369-081Rank: 2Configured Clock Speed: 2133MHz

Minimum Voltage: 1.2V

Maximum Voltage: 1.2V

Configured Voltage: 1.2 V

(2)最大支持多少内存

\[root@Master ~\]\# dmidecode|grep -P 'Maximum\\s+Capacity'

(3)Linux 查看内存的插槽数,已经使用多少插槽.每条内存多大：

(4)Linux 查看内存的频率：

\[root@Master ~\]\# dmidecode|grep -A16 "Memory Device"|grep 'Speed'

(5)Linux 查看内存的详细信息：

\[root@Master ~\]\# cat /proc/meminfo |head -20MemTotal: 131897620kB

MemFree: 414124kB

Buffers: 1040560kB

Cached: 111083180kB

SwapCached: 1320kB

Active: 7637912kB

Inactive: 110607108kB

Active(anon): 4406900kB

Inactive(anon): 1714900kB

Active(file): 3231012kB

Inactive(file): 108892208kB

Unevictable: 10878976kB

Mlocked: 5521652kB

SwapTotal: 16777212kB

SwapFree: 16737536kB

Dirty: 180kB

Writeback: 0kB

AnonPages: 16999324kB

Mapped: 149020kB

Shmem: 172 kB

(6)Linux 查看内存的使用情况

\[root@Master ~\]\# free -m // -b,-k,-m,-g show output in bytes, KB, MB, or GB

total used freeshared buffers cached

Mem: 128806 123407 5398 0 1015 103474

\-/+ buffers/cache: 18918 109888Swap: 16383 38 16345

四、查看硬盘信息(1)查看挂接的分区状态

\[root@Master ~\]\# fdisk -l |grep Disk

(2)查看硬盘和分区分布

\[root@Master ~\]\# lsblk

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT

sda 8:0 0 279.4G 0disk

├─sda1 8:1 0 50M 0 part /boot

├─sda2 8:2 0 100G 0 part /├─sda3 8:3 0 50G 0 part /home

├─sda4 8:4 0 1K 0part

├─sda5 8:5 0 16G 0part \[SWAP\]

├─sda6 8:6 0 13.3G 0 part /tmp

└─sda7 8:7 0 100G 0 part /usr

sdb 8:16 0 83.7T 0disk

└─sdb1 8:17 0 83.7T 0 part /PureDisk

linux查看硬件信息命令和教程详解,Linux查看硬件信息命令

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