inxi

sudo inxi -Fz


$ sudo inxi -Fz
System:    Kernel: 3.10.0-1062.18.1.el7.x86_64 x86_64 bits: 64 Console: tty 0 Distro: CentOS Linux release 7.8.2003 (Core)
Machine:   Type: Server System: Dell product: PowerEdge R720 v: N/A serial: <filter>
           Mobo: Dell model: 0X3D66 v: A06 serial: <filter> BIOS: Dell v: 2.2.2 date: 01/16/2014
CPU:       Topology: 2x 8-Core model: Intel Xeon E5-2650 v2 bits: 64 type: MT MCP SMP L2 cache: 40.0 MiB
           Speed: 1236 MHz min/max: 1200/3400 MHz Core speeds (MHz): 1: 1258 2: 1200 3: 1211 4: 1203 5: 1200 6: 1200 7: 1234
           8: 1320 9: 1353 10: 2071 11: 2043 12: 1509 13: 1273 14: 1699 15: 1757 16: 1854 17: 3001 18: 2339 19: 2488 20: 1679
           21: 1482 22: 2103 23: 3074 24: 1585 25: 1438 26: 1527 27: 1385 28: 1210 29: 1228 30: 1215 31: 1200 32: 1737
Graphics:  Device-1: Matrox Systems G200eR2 driver: mgag200 v: kernel
           Display: server: No display server data found. Headless machine? tty: 194x54
           Message: Unable to show advanced data. Required tool glxinfo missing.
Audio:     Message: No Device data found.
Network:   Device-1: Intel 82599ES 10-Gigabit SFI/SFP+ Network driver: ixgbe
           IF: em1 state: down mac: <filter>
           Device-2: Intel 82599ES 10-Gigabit SFI/SFP+ Network driver: ixgbe
           IF: em2 state: down mac: <filter>
           Device-3: Intel I350 Gigabit Network driver: igb
           IF: em3 state: down mac: <filter>
           Device-4: Intel I350 Gigabit Network driver: igb
           IF: em4 state: down mac: <filter>
           Device-5: Intel Ethernet 10-Gigabit X540-AT2 driver: ixgbe
           IF: p1p1 state: up speed: 10000 Mbps duplex: full mac: <filter>
           Device-6: Intel Ethernet 10-Gigabit X540-AT2 driver: ixgbe
           IF: p1p2 state: down mac: <filter>
Drives:    Local Storage: total: 1.82 TiB used: 95.37 GiB (5.1%)
           ID-1: /dev/sda vendor: Dell PowerEdge RAID Card model: PERC H710 size: 1.82 TiB
RAID:      Hardware-1: Broadcom / LSI MegaRAID SAS 2208 [Thunderbolt] driver: megaraid_sas
Partition: ID-1: / size: 1.76 TiB used: 94.26 GiB (5.2%) fs: xfs dev: /dev/dm-0
           ID-2: /boot size: 1014.0 MiB used: 214.9 MiB (21.2%) fs: xfs dev: /dev/sda1
           ID-3: /home size: 31.98 GiB used: 813.6 MiB (2.5%) fs: xfs dev: /dev/dm-2
Swap:      ID-1: swap-1 type: partition size: 31.44 GiB used: 106.8 MiB (0.3%) dev: /dev/dm-1
Sensors:   System Temperatures: ipmi cpu: N/A mobo: N/A
           Fan Speeds (RPM): ipmi cpu: 3960 fan-2: 4080 fan-3: 3960 fan-4: 3960 fan-5: 3960 fan-6: 3960
           System Temperatures: lm-sensors cpu: 21.0 C mobo: N/A
           Fan Speeds (RPM): lm-sensors N/A
Info:      Processes: 426 Uptime: 55d 23h 53m Memory: 62.71 GiB used: 12.74 GiB (20.3%) Init: systemd runlevel: 3 Shell: zsh
           inxi: 3.1.03

OS 확인

리눅스 커널버전 확인

$ uname -a
Linux ps-seoul-snu 3.10.0-957.5.1.el7.x86_64 #1 SMP Fri Feb 1 14:54:57 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

OS 배포판 버전 확인 (CentOS의 경우)

$ cat /etc/centos-release
CentOS Linux release 7.6.1810 (Core)

응용SW 확인

perfSONAR 의 경우

$ yum list installed | grep libperfsonar
libperfsonar-esmond-perl.noarch    4.1.6-1.el7    @anaconda
...

모델명 확인

$ sudo cat /sys/class/dmi/id/product_name
PowerEdge R720xd

UUID 확인 

메인보드 바이오스 DMI 정보 확인

$ sudo cat /sys/class/dmi/id/product_uuid
4C4C4544-0034-4710-8030-XXXXXXXXXXXX

CPU 정보 확인

CPU 정보 확인 명령어

$ cat /proc/cpuinfo


개괄적인 CPU 정보

$ cat /proc/cpuinfo
...
model name      : Intel(R) Xeon(R) CPU E5-2680 v2 @ 2.80GHz

물리 코어 수

$ cat /proc/cpuinfo
...
cpu cores       : 10

논리 프로세서 수 (하이퍼쓰레딩)

$ cat /proc/cpuinfo | grep processor | wc -l
40

메모리 정보 확인

메모리 정보 확인 명령어

$ sudo dmidecode -t memory


메모리 제조사 확인

$ sudo dmidecode -t memory | grep Manufacturer
        Manufacturer: Samsung
...


메모리 총 용량 확인
예) 64GB

$ free -h
              total        used        free      shared  buff/cache   available
Mem:            62G         11G        730M        3.3G         50G         47G
Swap:           31G         31M         31G


메모리 타입, 클럭, 랭크 확인

$ sudo dmidecode -t 17
...
        Type: DDR3
        Configured Clock Speed: 1600 MHz
        Rank: 2

메모리 꼽혀있는 상태 확인
예) 16GB 메모리가 총 4개 꼽혀 있는 것을 확인

$ sudo dmidecode -t 17
Memory Device
        Size: 16384 MB
        Locator: DIMM_A1
Memory Device
        Size: 16384 MB
        Locator: DIMM_A2
Memory Device
        Size: No Module Installed
        Locator: DIMM_A3
...
Memory Device
        Size: 16384 MB
        Locator: DIMM_B1
Memory Device
        Size: 16384 MB
        Locator: DIMM_B2
Memory Device
        Size: No Module Installed
        Locator: DIMM_B3
...

디스크 정보 확인

파티션 구성 확인

$ sudo lsblk
NAME            MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda               8:0    0 238.5G  0 disk
├─sda1            8:1    0     1G  0 part /boot
└─sda2            8:2    0 237.5G  0 part
  ├─centos-root 253:0    0 205.9G  0 lvm  /
  ├─centos-swap 253:1    0  15.6G  0 lvm  [SWAP]
  └─centos-home 253:2    0    16G  0 lvm  /home

디스크 정보 확인

$ sudo smartctl -i /dev/sda
...
=== START OF INFORMATION SECTION ===
Device Model:     Samsung SSD 860 PRO 256GB
...
User Capacity:    256,060,514,304 bytes [256 GB]
...


네트워크 정보 확인

모든 네트워크 인터페이스 확인

$ sudo lshw -c network -businfo
Bus info          Device     Class          Description
=======================================================
pci@0000:02:00.0  em3        network        NetXtreme BCM5720 Gigabit Ethernet PCIe
pci@0000:02:00.1  em4        network        NetXtreme BCM5720 Gigabit Ethernet PCIe
pci@0000:01:00.0  em1        network        NetXtreme BCM5720 Gigabit Ethernet PCIe
pci@0000:01:00.1  em2        network        NetXtreme BCM5720 Gigabit Ethernet PCIe
pci@0000:04:00.0  p5p1       network        NetXtreme BCM5720 Gigabit Ethernet PCIe
pci@0000:04:00.1  p5p2       network        NetXtreme BCM5720 Gigabit Ethernet PCIe
pci@0000:42:00.0  p4p1       network        82599ES 10-Gigabit SFI/SFP+ Network Connection
pci@0000:42:00.1  p4p2       network        82599ES 10-Gigabit SFI/SFP+ Network Connection

IP 정보 확인

$ ip addr
...
8: p4p1: ...
    inet 203.XXX.156.YYY/24 brd 203.XXX.156.255 scope global p4p1

속도 확인
예) 스위치와 NIC이 광케이블로 10Gbps (10000Mbps) 속도로 연결되어 있음

$ ethtool p4p1
Settings for p4p1:
        Supported ports: [ FIBRE ]
        ...
        Speed: 10000Mb/s
        Duplex: Full
        Port: FIBRE
        ...
        Link detected: yes