Linux commands to display the system hardware information
lscpu command
godarda@gd:~$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 39 bits physical, 48 bits virtual
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Vendor ID: GenuineIntel
Model name: 11th Gen Intel(R) Core(TM) i3-1115G4 @ 3.00GHz
CPU family: 6
Model: 140
Thread(s) per core: 2
Core(s) per socket: 2
Socket(s): 1
Stepping: 1
CPU(s) scaling MHz: 31%
CPU max MHz: 4100.0000
CPU min MHz: 400.0000
BogoMIPS: 5990.40
...
lshw command
godarda@gd:~$ lshw
WARNING: you should run this program as super-user.
gd
description: Computer
width: 64 bits
capabilities: smp vsyscall32
*-core
description: Motherboard
physical id: 0
*-memory
description: System memory
physical id: 0
size: 8064MiB
*-cpu
product: 11th Gen Intel(R) Core(TM) i3-1115G4 @ 3.00GHz
vendor: Intel Corp.
physical id: 1
bus info: cpu@0
version: 6.140.1
size: 845MHz
capacity: 4100MHz
width: 64 bits
...
lspci command
godarda@gd:~$ lspci 0000:00:00.0 Host bridge: Intel Corporation Device 9a04 (rev 01) 0000:00:02.0 VGA compatible controller: Intel Corporation Tiger Lake-LP GT2 [UHD Graphics G4] (rev 01) 0000:00:04.0 Signal processing controller: Intel Corporation TigerLake-LP Dynamic Tuning Processor Participant (rev 01) ...
Hardware information using cat command
godarda@gd:~$ cat /proc/interrupts | head -10
CPU0 CPU1 CPU2 CPU3
1: 0 0 2955 0 IR-IO-APIC 1-edge i8042
8: 0 0 0 0 IR-IO-APIC 8-edge rtc0
9: 0 10273 0 0 IR-IO-APIC 9-fasteoi acpi
14: 0 85 0 0 IR-IO-APIC 14-fasteoi INT34C5:00
16: 0 0 0 0 IR-IO-APIC 16-fasteoi idma64.2, i801_smbus
27: 0 0 0 0 IR-IO-APIC 27-fasteoi idma64.0, i2c_designware.0
37: 0 0 0 0 IR-IO-APIC 37-fasteoi idma64.3, pxa2xx-spi.3
40: 0 1678 0 0 IR-IO-APIC 40-fasteoi idma64.1, i2c_designware.1
120: 0 0 0 0 DMAR-MSI 0-edge dmar0
godarda@gd:~$ cat /proc/cpuinfo | head -10
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 140
model name : 11th Gen Intel(R) Core(TM) i3-1115G4 @ 3.00GHz
stepping : 1
microcode : 0xb6
cpu MHz : 1300.127
cache size : 6144 KB
physical id : 0
godarda@gd:~$ cat /proc/meminfo | head -10
MemTotal: 7911628 kB
MemFree: 2623644 kB
MemAvailable: 4531468 kB
Buffers: 51488 kB
Cached: 2437040 kB
SwapCached: 14048 kB
Active: 1854048 kB
Inactive: 2654764 kB
Active(anon): 1218664 kB
Inactive(anon): 1305352 kB
godarda@gd:~$ cat /proc/zoneinfo | head -10
Node 0, zone DMA
per-node stats
nr_inactive_anon 326267
nr_active_anon 303328
nr_inactive_file 337390
nr_active_file 158846
nr_unevictable 36735
nr_slab_reclaimable 58902
nr_slab_unreclaimable 50433
nr_isolated_anon 0
Commands to display memory information
godarda@gd:~$ free
total used free shared buff/cache available
Mem: 7911628 3369904 2633604 504844 2725544 4541724
Swap: 4194300 104960 4089340
godarda@gd:~$ vmstat
procs -----------memory---------- ---swap-- -----io---- -system-- -------cpu-------
r b swpd free buff cache si so bi bo in cs us sy id wa st gu
0 0 104960 2643164 51876 2668680 0 19 503 1955 2596 12 9 3 88 0 0 0
godarda@gd:~$ df
Filesystem 1K-blocks Used Available Use% Mounted on
tmpfs 791164 2244 788920 1% /run
/dev/nvme0n1p6 154211760 16097872 130207584 12% /
tmpfs 3955812 31720 3924092 1% /dev/shm
tmpfs 5120 8 5112 1% /run/lock
efivarfs 184 178 1 100% /sys/firmware/efi/efivars
/dev/nvme0n1p1 262144 63860 198284 25% /boot/efi
tmpfs 791160 2568 788592 1% /run/user/1000
godarda@gd:~$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 1ea7:0066 SHARKOON Technologies GmbH [Mediatrack Edge Mini Keyboard]
Bus 003 Device 003: ID 5986:2137 Bison Electronics Inc. Integrated Camera
Bus 003 Device 004: ID 8087:0aaa Intel Corp. Bluetooth 9460/9560 Jefferson Peak (JfP)
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
godarda@gd:~$ id
uid=1000(godarda) gid=1000(godarda) groups=1000(godarda),
4(adm),24(cdrom),27(sudo),30(dip),46(plugdev),100(users),114(lpadmin)
Comments and Reactions