Linux系统——硬件命令

目录

一.网卡带宽

1.查看网卡速率——ethtool 网卡名

2.查看mac地址——ethtool -P 网卡名

二、内存相关

1.显示系统中内存使用情况——free -h

2.显示内存模块的详细信息——dmidecode -t memory

三、CPU相关

1.查看CPU架构信息——lscpu

2.性能模式

四、其他硬件命令

1.查看块设备信息——lsblk

2.查看机器型号——dmidecode | grep "Product Name"

3.查看系统序列号——dmidecode -t system

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一.网卡带宽

1.查看网卡速率——ethtool 网卡名

[root@localhost ~]#ethtool ens33
Settings for ens33:Supported ports: [ TP ]Supported link modes:   10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Supported pause frame use: NoSupports auto-negotiation: YesAdvertised link modes:  10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Advertised pause frame use: NoAdvertised auto-negotiation: YesSpeed: 1000Mb/sDuplex: FullPort: Twisted PairPHYAD: 0Transceiver: internalAuto-negotiation: onMDI-X: off (auto)Supports Wake-on: dWake-on: dCurrent message level: 0x00000007 (7)drv probe linkLink detected: yes

2.查看mac地址——ethtool -P 网卡名

[root@localhost ~]#ethtool -P ens33
Permanent address: 

二、内存相关

1.显示系统中内存使用情况——free -h

[root@localhost ~]#free -htotal        used        free      shared  buff/cache   available
Mem:           1.8G        472M        700M        9.1M        650M        1.1G
Swap:          4.0G          0B        4.0G

2.显示内存模块的详细信息——dmidecode -t memory

三、CPU相关

1.查看CPU架构信息——lscpu

[root@localhost ~]#lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                2
On-line CPU(s) list:   0,1
Thread(s) per core:    1
Core(s) per socket:    1
座：                 2
NUMA 节点：         1
厂商 ID：           GenuineIntel
CPU 系列：          6
型号：              142
型号名称：        Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
步进：              10
CPU MHz：             1991.571
BogoMIPS：            3984.00
超管理器厂商：  VMware
虚拟化类型：     完全
L1d 缓存：          32K
L1i 缓存：          32K
L2 缓存：           256K
L3 缓存：           8192K
NUMA 节点0 CPU：    0,1
Flags:                 fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon nopl xtopology tsc_reliable nonstop_tsc eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch fsgsbase tsc_adjust bmi1 avx2 smep bmi2 invpcid rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 arat

[root@localhost ~]#cat /proc/cpuinfo
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 142
model name	: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
stepping	: 10
microcode	: 0xb4
cpu MHz		: 1991.571
cache size	: 8192 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 22
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon nopl xtopology tsc_reliable nonstop_tsc eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch fsgsbase tsc_adjust bmi1 avx2 smep bmi2 invpcid rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 arat
bogomips	: 3984.00
clflush size	: 64
cache_alignment	: 64
address sizes	: 45 bits physical, 48 bits virtual
power management:processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 142
model name	: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
stepping	: 10
microcode	: 0xb4
cpu MHz		: 1991.571
cache size	: 8192 KB
physical id	: 2
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 2
initial apicid	: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 22
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon nopl xtopology tsc_reliable nonstop_tsc eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch fsgsbase tsc_adjust bmi1 avx2 smep bmi2 invpcid rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 arat
bogomips	: 3984.00
clflush size	: 64
cache_alignment	: 64
address sizes	: 45 bits physical, 48 bits virtual
power management:

2.性能模式

开启性能模式——cpupower frequency-set -g performance

查看是否开启性能模式——cpupower frequency-info

四、其他硬件命令

1.查看块设备信息——lsblk

[root@localhost ~]#lsblk
NAME            MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda               8:0    0   60G  0 disk 
├─sda1            8:1    0    5G  0 part /boot
└─sda2            8:2    0   54G  0 part ├─centos-root 253:0    0   50G  0 lvm  /└─centos-swap 253:1    0    4G  0 lvm  [SWAP]
sr0              11:0    1  4.2G  0 rom  

2.查看机器型号——dmidecode | grep "Product Name"

[root@localhost ~]#dmidecode | grep "Product Name"Product Name: VMware Virtual PlatformProduct Name: 440BX Desktop Reference Platform

3.查看系统序列号——dmidecode -t system

[root@localhost ~]#dmidecode -t system
# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.Handle 0x0001, DMI type 1, 27 bytes
System InformationManufacturer: VMware, Inc.Product Name: VMware Virtual PlatformVersion: NoneSerial Number: VMware-56 4d 41 3c 70 d0 23 f2-99 ef fc 31 0c 51 4b b5UUID: 3C414D56-D070-F223-99EF-FC310C514BB5Wake-up Type: Power SwitchSKU Number: Not SpecifiedFamily: Not SpecifiedHandle 0x01A1, DMI type 15, 29 bytes
System Event LogArea Length: 16 bytesHeader Start Offset: 0x0000Header Length: 16 bytesData Start Offset: 0x0010Access Method: General-purpose non-volatile data functionsAccess Address: 0x0000Status: Invalid, FullChange Token: 0x00000036Header Format: Type 1Supported Log Type Descriptors: 3Descriptor 1: POST errorData Format 1: POST results bitmapDescriptor 2: Single-bit ECC memory errorData Format 2: Multiple-eventDescriptor 3: Multi-bit ECC memory errorData Format 3: Multiple-eventHandle 0x0265, DMI type 23, 13 bytes
System ResetStatus: EnabledWatchdog Timer: PresentBoot Option: Do Not RebootBoot Option On Limit: Do Not RebootReset Count: UnknownReset Limit: UnknownTimer Interval: UnknownTimeout: UnknownHandle 0x0268, DMI type 32, 20 bytes
System Boot InformationStatus: No errors detected