Simple Linux commands to get information from your system.

Posted: August 13, 2017. At: 1:57 PM. This was 1 month ago. Post ID: 11078

Get your Internet routable IP address with the command line.

[jason@localhost ~]$ curl 'https://api.ipify.org' ; echo

Get the startup time of your Linux PC with Systemd.

[jason@localhost ~]$ systemd-analyze 
Startup finished in 1.186s (kernel) + 9.653s (initrd) + 2min 37.144s (userspace) = 2min 47.984s

Get a listing of hardware installed in your Linux machine, this is very easy to do, with this command.

[root@localhost jason]# lspci 
00:00.0 Host bridge: Intel Corporation 4th Gen Core Processor DRAM Controller (rev 06)
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05)
00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04)
00:19.0 Ethernet controller: Intel Corporation Ethernet Connection I217-V (rev 05)
00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d5)
00:1c.3 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d5)
00:1c.4 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #5 (rev d5)
00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation B85 Express LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] (rev 05)
00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 05)
02:00.0 PCI bridge: ASMedia Technology Inc. ASM1083/1085 PCIe to PCI Bridge (rev 04)
03:00.0 Ethernet controller: D-Link System Inc RTL8139 Ethernet (rev 10)
04:00.0 VGA compatible controller: NVIDIA Corporation GK107 [GeForce GT 740] (rev a1)
04:00.1 Audio device: NVIDIA Corporation GK107 HDMI Audio Controller (rev a1)

Get the make and model of your motherboard with Linux.

[root@localhost jason]# dmidecode --type 02

This dmidecode command line will print information about your CPU.

[root@localhost jason]# dmidecode --type 04

Get comprehensive BIOS information. Good to know my BIOS still supports a 5.25″ floppy drive.

[root@localhost jason]# dmidecode --type 08
# dmidecode 3.1
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.
 
Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
	Vendor: American Megatrends Inc.
	Version: P1.90
	Release Date: 12/06/2013
	Address: 0xF0000
	Runtime Size: 64 kB
	ROM Size: 8192 kB
	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)
		8042 keyboard services are supported (int 9h)
		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: 4.6

List all connected USB hardware with the lsusb command.

[root@localhost jason]# lsusb
Bus 002 Device 002: ID 8087:8000 Intel Corp. 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 007: ID 10f5:0231 Turtle Beach 
Bus 003 Device 004: ID 2109:0715 VIA Labs, Inc. 
Bus 003 Device 003: ID 046d:c215 Logitech, Inc. Extreme 3D Pro
Bus 003 Device 006: ID e0ff:0005  
Bus 003 Device 002: ID 046d:c248 Logitech, Inc. G105 Gaming Keyboard
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

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