How to find hardware information from command line on Linux
— linux
Hi
In this post you can see some useful command to find and show hardware information on Linux.
Default commands
ALL devices
dmesg
dmesg will show you the kernel messages which can show you all the devices the kernel has found (hard disks,cdroms,etc)
CPU
# cat /proc/cpuinfo
Memory
# cat /proc/meminfo $ free
PCI (including usb bridges,agp cards etc)
$ lspci
USB devices (mice,etc)
$ lsusb
Hard drives
# fdisk -l $ df -h
Additional Command
lshw
lshw is a Linux command which provides details of all the hardware in your PC. The details provided by the lshw command run the gamut of processors, memory, slots, onboard sound, video chipset and more.
Install lshw
Arch:
# pacman -S lshw
Debain, Ubuntu or any of its derivatives:
$ sudo aptitude install lshw
Redhat, fedora, CentOS:
# yum install lshw
Gentoo:
# emerge lshw
Run lshw
# lshw # lshw -short
To get the output in HTML, you use the -html option as follows:
# lshw -html > hardware-info.html
• See lshw command – List hardware information in Linux
dmidecode
dmidecode command reads the system DMI table to display hardware and BIOS information of the server. Apart from getting current configuration of the system, you can also get information about maximum supported configuration of the system using dmidecode. For example, dmidecode gives both the current RAM on the system and the maximum RAM supported by the system.
dmidecode is installed by default on many linux distribution like debain, ubuntu and fedora.
• See How To Get Hardware Information On Linux Using dmidecode Command
have a good time 
