常用的Linux下查看服务器配置的命令

服务器型号

[root@k80 ~]# dmidecode|grep "System Information" -A9|egrep  "Manufacturer|Product"     Manufacturer: Sugon     Product Name: W580-G20

 

操作系统

查看当前操作系统发行版信息

[root@k80 ~]# cat /etc/redhat-release CentOS Linux release 7.3.1611 (Core)

 

查看操作系统发行版详细信息

[root@k80 ~]# lsb_release -a LSB Version:    :core-4.1-amd64:core-4.1-noarch Distributor ID: CentOS Description:    CentOS Linux release 7.3.1611 (Core)  Release:    7.3.1611 Codename:   Core

 

CPU

查看CPU统计信息

[root@k80 ~]# lscpu Architecture:          x86_64 CPU op-mode(s):       32-bit, 64-bit Byte Order:            Little Endian CPU(s):               12 On-line CPU(s) list:   0-11 Thread(s) per core:    1 Core(s) per socket:    6 Socket(s):             2 NUMA node(s):          2 Vendor ID:             GenuineIntel CPU family:            6 Model:                 63 Model name:            Intel(R) Xeon(R) CPU E5-2609 v3 @ 1.90GHz Stepping:              2 CPU MHz:               1780.062 BogoMIPS:              3805.02 Virtualization:        VT-x L1d cache:             32K L1i cache:             32K L2 cache:              256K L3 cache:              15360K NUMA node0 CPU(s):     0-5 NUMA node1 CPU(s):     6-11

 

查看CPU型号

[root@k80 ~]# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c      12  Intel(R) Xeon(R) CPU E5-2609 v3 @ 1.90GHz

 

查看物理CPU个数

[root@k80 ~]# cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l 2

 

查看每个物理CPU中core的个数(即核数)

[root@k80 ~]# cat /proc/cpuinfo| grep "cpu cores"| uniq cpu cores   : 6

 

查看逻辑CPU的个数

[root@k80 ~]# cat /proc/cpuinfo| grep "processor"| wc -l 12

 

 

内存

查看概要内存使用情况

[root@k80 ~]# free -g               total       used       free      shared  buff/cache   available Mem:           62          8          35         2       18         51 Swap:          31          0          31 -g是以GB为单位；也可以使用-m，即以MB为单位

 

查看内存硬件信息

[root@k80 ~]# dmidecode -t memory # dmidecode 3.0 Scanning /dev/mem for entry point. SMBIOS 3.0 present.   Handle 0x002B, DMI type 16, 23 bytes Physical Memory Array     Location: System Board Or Motherboard     Use: System Memory     Error Correction Type: Multi-bit ECC     Maximum Capacity: 256 GB     Error Information Handle: Not Provided     Number Of Devices: 4   Handle 0x002C, DMI type 17, 40 bytes Memory Device     Array Handle: 0x002B     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     Speed: 2400 MHz     Manufacturer: Samsung     Serial Number: 35A24C2F     Asset Tag: P1-DIMMA1_AssetTag (date:17/19)     Part Number: M393A4K40BB1-CRC        Rank: 2     Configured Clock Speed: 1600 MHz     Minimum Voltage: Unknown     Maximum Voltage: Unknown     Configured Voltage: Unknown

 

查看内存详细使用情况

[root@k80 ~]# cat /proc/meminfo MemTotal:       65683572 kB MemFree:        35808252 kB MemAvailable:   52288668 kB Buffers:            1020 kB Cached:         18199556 kB SwapCached:            0 kB Active:         20343632 kB Inactive:        7164792 kB Active(anon):    9343616 kB Inactive(anon):  2116004 kB Active(file):   11000016 kB Inactive(file):  5048788 kB Unevictable:           0 kB Mlocked:               0 kB SwapTotal:      32964604 kB SwapFree:       32964604 kB Dirty:              1384 kB

 

查看内存的插槽数,已经使用多少插槽.每条内存多大

[root@k80 ~]# dmidecode|grep -A5 "Memory Device"|grep Size|grep -v Range     Size: 32 GB     Size: No Module Installed     Size: No Module Installed     Size: No Module Installed     Size: No Module Installed     Size: No Module Installed     Size: No Module Installed     Size: No Module Installed     Size: 32 GB     Size: No Module Installed     Size: No Module Installed     Size: No Module Installed     Size: No Module Installed     Size: No Module Installed     Size: No Module Installed     Size: No Module Installed

 

硬盘

查看硬盘和分区分布

[root@k80 ~]# lsblk NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT sda           8:0    0 558.9G  0 disk  ├─sda1        8:1    0     1G  0 part /boot └─sda2        8:2    0 557.9G  0 part    ├─cl-root 253:0    0    50G  0 lvm  /   ├─cl-swap 253:1    0  31.4G  0 lvm  [SWAP]   └─cl-home 253:2    0 476.5G  0 lvm  /home sr0          11:0    1  1024M  0 rom

 

查看硬盘和分区的详细信息

[root@k80 ~]# fdisk -l Disk /dev/sda: 600.1 GB, 600127266816 bytes, 1172123568 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0x00011d6e      Device Boot      Start         End      Blocks   Id  System /dev/sda1   *        2048     2099199     1048576   83  Linux /dev/sda2         2099200  1172121599   585011200   8e  Linux LVM   Disk /dev/mapper/cl-root: 53.7 GB, 53687091200 bytes, 104857600 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes

 

其他

查看网卡的硬件信息

[root@k80 ~]# lspci | grep -i 'eth' 81:00.0 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01) 81:00.1 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)

 

查看显卡运行状况

[root@k80 ~]# nvidia-smi Thu Nov 23 10:32:20 2017        +-----------------------------------------------------------------------------+ | NVIDIA-SMI 375.26                 Driver Version: 375.26                    | |-------------------------------+----------------------+----------------------+ | GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC | | Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. | |===============================+======================+======================| |   0  Tesla K80           Off  | 0000:04:00.0     Off |                    0 | | N/A   60C    P0    75W / 149W |   4344MiB / 11439MiB |      2%      Default | +-------------------------------+----------------------+----------------------+ |   1  Tesla K80           Off  | 0000:05:00.0     Off |                    0 | | N/A   43C    P0    89W / 149W |   2196MiB / 11439MiB |     15%      Default | +-------------------------------+----------------------+----------------------+ |   2  Tesla K80           Off  | 0000:08:00.0     Off |                    0 | | N/A   90C    P0   100W / 149W |   2196MiB / 11439MiB |     98%      Default | +-------------------------------+----------------------+----------------------+ |   3  Tesla K80           Off  | 0000:09:00.0     Off |                    0 | | N/A   60C    P0    87W / 149W |   4212MiB / 11439MiB |     26%      Default | +-------------------------------+----------------------+----------------------+   +-----------------------------------------------------------------------------+ | Processes:                                                       GPU Memory | |  GPU       PID  Type  Process name                               Usage      | |=============================================================================| |    0     25459    C   python3                                       4336MiB | |    1     25459    C   python3                                       2188MiB | |    2     25459    C   python3                                       2188MiB | |    3     25459    C   python3                                       4204MiB | +-----------------------------------------------------------------------------+ WARNING: infoROM is corrupted at gpu 0000:04:00.0