1. 查看操作系统信息
1.1. cat /etc/os-release系统版本信息
1.2. cat /etc/system-release系统版本及描述信息
1.3. uname -a查看系统版本号
2. BIOS信息
|
1 2 3 4 5 6 7 8 9 10 11 12 |
$ dmidecode -t -help Invalid type keyword: -help Valid type keywords are: bios system baseboard chassis processor memory cache connector slot |
2.1. dmidecode -t bios 查看BIOS信息
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 |
$ # dmidecode 3.2 Getting SMBIOS data from sysfs. SMBIOS 3.2.1 present. # SMBIOS implementations newer than version 3.2.0 are not # fully supported by this version of dmidecode. Handle 0x0000, DMI type 0, 26 bytes BIOS Information Vendor: American Megatrends Inc. Version: 3.4 Release Date: 06/22/2021 Address: 0xF0000 Runtime Size: 64 kB ROM Size: 32 MB Characteristics: PCI is supported BIOS is upgradeable BIOS shadowing is allowed Boot from CD is supported Selectable boot is supported BIOS ROM is socketed EDD is supported 5.25"/1.2 MB floppy services are supported (int 13h) 3.5"/720 kB floppy services are supported (int 13h) 3.5"/2.88 MB floppy services are supported (int 13h) Print screen service is supported (int 5h) Serial services are supported (int 14h) Printer services are supported (int 17h) ACPI is supported USB legacy is supported BIOS boot specification is supported Targeted content distribution is supported UEFI is supported BIOS Revision: 5.14 Handle 0x0072, DMI type 13, 22 bytes BIOS Language Information Language Description Format: Long Installable Languages: 1 en|US|iso8859-1 Currently Installed Language: en|US|iso8859-1 |
2.2. dmidecode -q 可以查看所有的硬件信息
|
1 |
$ dmidecode -q | more |
2.3. dmidecode -t baseboard 查看网卡硬件信息
|
1 |
$ dmidecode -t baseboard |grep Ethernet -C 5 |
3. cpu
3.1. lscpu:查看cpu的统计信息
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 |
$ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 46 bits physical, 48 bits virtual CPU(s): 64 On-line CPU(s) list: 0-63 Thread(s) per core: 2 Core(s) per socket: 16 Socket(s): 2 NUMA node(s): 2 Vendor ID: GenuineIntel CPU family: 6 Model: 85 Model name: Intel(R) Xeon(R) Gold 5218 CPU @ 2.30GHz Stepping: 7 CPU MHz: 2299.912 CPU max MHz: 2300.0000 CPU min MHz: 1000.0000 BogoMIPS: 4600.00 Virtualization: VT-x L1d cache: 1 MiB L1i cache: 1 MiB L2 cache: 32 MiB L3 cache: 44 MiB NUMA node0 CPU(s): 0-15,32-47 NUMA node1 CPU(s): 16-31,48-63 Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Enhanced IBRS, IBPB conditional, RSB filling Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Mitigation; TSX disabled |
3.2. cat /proc/cpuinfo查看每个cpu的信息或型号
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 |
$ cat /proc/cpuinfo | more # 此处显示0 号cpu核心的相关参数 processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 85 model name : Intel(R) Xeon(R) Gold 5218 CPU @ 2.30GHz stepping : 7 microcode : 0x5003003 cpu MHz : 2300.003 cache size : 22528 KB physical id : 0 siblings : 32 core id : 0 cpu cores : 16 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 dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb r dtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat _l3 cdp_l3 invpcid_single intel_ppin ssbd mba ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 sme p bmi2 erms invpcid cqm mpx rdt_a avx512f avx512dq rdseed adx smap clflushopt clwb intel_pt avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm arat pln pts pku ospke avx512_vnni md_clear flush_l1d arch_capabilities bugs : spectre_v1 spectre_v2 spec_store_bypass swapgs taa itlb_multihit bogomips : 4600.00 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: |
4. 内存
4.1. free -m 查看内存的概要信息，单位是M
|
1 2 3 4 |
$ free -m total used free shared buff/cache available Mem: 514140 211910 294879 4140 7350 295103 Swap: 0 0 0 |
4.2. cat /proc/meminfo 查看内存的详细使用
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 |
$ cat /proc/meminfo | more MemTotal: 526479604 kB MemFree: 301965364 kB MemAvailable: 302194936 kB Buffers: 0 kB Cached: 7376904 kB SwapCached: 0 kB Active: 3380068 kB Inactive: 6894924 kB Active(anon): 2970060 kB Inactive(anon): 4041736 kB Active(file): 410008 kB Inactive(file): 2853188 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 0 kB SwapFree: 0 kB Dirty: 100 kB Writeback: 0 kB AnonPages: 2852980 kB Mapped: 453076 kB Shmem: 4239944 kB ... |
4.3. dmidecode -t memory 查看内存的硬件信息
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 |
$ dmidecode -t memory | more # dmidecode 3.2 Getting SMBIOS data from sysfs. SMBIOS 3.2.1 present. # SMBIOS implementations newer than version 3.2.0 are not # fully supported by this version of dmidecode. Handle 0x000F, DMI type 16, 23 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: Single-bit ECC Maximum Capacity: 5 TB Error Information Handle: Not Provided Number Of Devices: 16 Handle 0x0010, DMI type 17, 84 bytes Memory Device Array Handle: 0x000F Error Information Handle: Not Provided Total Width: 72 bits Data Width: 64 bits Size: 32 GB Form Factor: DIMM Set: None Locator: P1-DIMMA1 Bank Locator: P0_Node0_Channel0_Dimm0 Type: DDR4 Type Detail: Synchronous Registered (Buffered) Speed: 2666 MT/s Manufacturer: Micron Serial Number: 21D73388 Asset Tag: P1-DIMMA1_AssetTag (Date:19/19) |
5. 磁盘
5.1. lsblk 查看硬盘和分区分布
|
1 2 3 4 5 |
$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 446.6G 0 disk ├─sda1 8:1 0 50G 0 part / └─sda2 8:2 0 396.6G 0 part /var |
5.2. fdisk -l 查看硬盘和分区的详细信息
|
1 2 3 4 5 6 7 8 9 10 11 12 13 |
$ fdisk -l Disk /dev/sda: 446.64 GiB, 479559942144 bytes, 936640512 sectors Disk model: SMC3108 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 262144 bytes / 262144 bytes Disklabel type: dos Disk identifier: 0xca92f92c Device Boot Start End Sectors Size Id Type /dev/sda1 * 2048 104859647 104857600 50G 83 Linux /dev/sda2 104859648 936640511 831780864 396.6G 83 Linux |
6. 网卡
6.1. lspci 显示所有pci设备信息，即主板的硬件槽信息
lspci | grep -i 'eth' 查看网卡硬件信息
|
1 2 3 4 5 6 7 8 |
$ lspci | grep -i 'eth' 18:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01) 18:00.1 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01) 60:00.0 Ethernet controller: Intel Corporation Ethernet Connection X722 for 1GbE (rev 09) 60:00.1 Ethernet controller: Intel Corporation Ethernet Connection X722 for 1GbE (rev 09) 86:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01) 86:00.1 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01) |
6.2. ifconfig -a 查看所有的网络接口
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 |
$ ifconfig -a bond0: flags=5187<UP,BROADCAST,RUNNING,MASTER,MULTICAST> mtu 1500 inet6 fe80::ae1f:6bff:feb5:be46 prefixlen 64 scopeid 0x20<link> ether ac:1f:6b:b5:be:46 txqueuelen 1000 (Ethernet) RX packets 3609823644 bytes 399690782877 (372.2 GiB) RX errors 0 dropped 13 overruns 0 frame 0 TX packets 2029569161 bytes 2664089647822 (2.4 TiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 bond0.150: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.8.73.66 netmask 255.255.252.0 broadcast 10.8.75.255 inet6 fe80::ae1f:6bff:feb5:be46 prefixlen 64 scopeid 0x20<link> ether ac:1f:6b:b5:be:46 txqueuelen 1000 (Ethernet) RX packets 1979234396 bytes 271768015782 (253.1 GiB) RX errors 0 dropped 203 overruns 0 frame 0 TX packets 368470816 bytes 2554795424044 (2.3 TiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 |
6.3. ip link show 查看网络接口
|
1 2 3 |
$ ip link show bond0 8: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000 link/ether ac:1f:6b:b5:be:46 brd ff:ff:ff:ff:ff:ff |
6.4. 查看网卡的绑卡和驱动信息
|
1 2 3 4 5 6 7 8 9 10 11 |
$ ethtool -i eno1 driver: i40e version: 2.3.2-k firmware-version: 3.33 0x80000e48 1.1876.0 expansion-rom-version: bus-info: 0000:60:00.0 supports-statistics: yes supports-test: yes supports-eeprom-access: yes supports-register-dump: yes supports-priv-flags: yes |
6.5. cat /proc/net/dev 查看网络配置信息
6.6. ethtool 名称 查看某个网络的详细信息，如ens33
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 |
$ ethtool eno1 Settings for eno1: Supported ports: [ TP ] Supported link modes: 1000baseT/Full Supported pause frame use: Symmetric Supports auto-negotiation: Yes Supported FEC modes: Not reported Advertised link modes: 1000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: Yes Advertised FEC modes: Not reported Speed: 1000Mb/s Duplex: Full Port: Twisted Pair PHYAD: 0 Transceiver: internal Auto-negotiation: on MDI-X: Unknown Supports Wake-on: g Wake-on: g Current message level: 0x00000007 (7) drv probe link Link detected: yes |
微信赞赏
支付宝赞赏