server model
| [root@k80 ~]# dmidecode|grep "System Information" -A9|egrep "Manufacturer|Product" Manufacturer: Sugon Product Name: W580-G20 |
operating system
View current operating system release information
| [root@k80 ~]# cat /etc/redhat-release CentOS Linux release 7.3.1611 (Core) |
View OS release details
| [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
View CPU Statistics
| [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 |