October 31, 2021 in Technology, Tips and Tricks
To know only the system name, you can use the uname command without any switch that will print system information or the uname -s command will print the kernel name of your system.
$ uname
To view your network hostname, use the ‘-n’ switch with the uname command as shown.
$ uname -n
To get information about kernel-version, use the ‘-v’ switch.
$ uname -v
To get the information about your kernel release, use the ‘-r’ switch.
$ uname -r
To print your machine hardware name, use the ‘-m’ switch:
$ uname -m
All this information can be printed at once by running the ‘uname -a’ command as shown below.
$ uname -a
lshw is a relatively small tool and there are few options that you can use with it while extracting information. The information provided by lshw was gathered from different /proc files.
$ sudo lshw
You can print a summary of your hardware information by using the -short option.
$ sudo lshw -short
If you wish to generate output as an html file, you can use the option -html.
$ sudo lshw -html > lshw.html
To view information about your CPU, use the lscpu command as it shows information about your CPU architecture such as a number of CPUs, cores, CPU family model, CPU caches, threads, etc from sysfs and /proc/cpuinfo.
$ lscpu
lsblk command is used to report information about block devices as follows.
$ lsblk
If you want to view all block devices on your system then include the -a option.
$ lsblk -a
The lsusb command is used to report information about USB controllers and all the devices that are connected to them.
$ lsusb
You can use the -v option to generate detailed information about each USB device.
$ lsusb -v