Wednesday, 16 March 2016

How to find Kernel version, release info and disk partition info in Ubuntu

Here, we will see how to find Kernel version, Ubuntu release information and disk partition information in Ubuntu. 

uname -a  : print certain system information. Here's the output.

terminal output

Linux ambarish-ubuntu 4.2.0-34-generic #39~14.04.1-Ubuntu SMP Fri Mar 11 11:38:02 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

Description.

       Print certain system information. With no OPTION, same as -s.

       -a, --all
              print all information, in the following order, except omit -p and -i if unknown:

       -s, --kernel-name
              print the kernel name

       -n, --nodename
              print the network node hostname

       -r, --kernel-release
              print the kernel release

       -v, --kernel-version
              print the kernel version

       -m, --machine
              print the machine hardware name

       -p, --processor
              print the processor type or "unknown"

       -i, --hardware-platform
              print the hardware platform or "unknown"

       -o, --operating-system
              print the operating system

lsb_release : to print distribution-specific information.

terminal output

Description.

       The lsb_release command provides certain LSB (Linux Standard Base) and distribution-specific information.

       If no options are given, the -v option is assumed.

       -v, --version
              Show the version of the LSB against which your current installation is compliant. The  version is expressed as a colon separated list of LSB module descriptions.

       -i, --id
              Display the distributor's ID.

       -d, --description
              Display a description of the currently installed distribution.

       -r, --release
              Display the release number of the currently installed distribution.
 
       -c, --codename
              Display the code name of the currently installed distribution.

       -a, --all
              Display all of the above information.

       -s, --short
              Use the short output format for any information displayed. This format omits the leading header(s).

       -h, --help
              Show summary of options.
 
       -c, --codename
              Display the code name of the currently installed distribution.

       -a, --all
              Display all of the above information.

       -s, --short
              Use the short output format for any information displayed. This format omits the leading header(s).

       -h, --help
              Show summary of options.

       -e, --exclude list
              Exclude the devices specified by a comma-separated list of major device numbers. Note that RAM disks (major=1) are excluded by default.

       -f, --fs
              Output info about filesystems.  

       -h, --help
              Print a help text and exit.

       -i, --ascii
              Use ASCII characters for tree formatting.

       -m, --perms
              Output  info  about   device   owner,   group   and   mode.

       -l, --list
              Use the list output format.

       -n, --noheadings
              Do not print a header line.

       -o, --output list
              Specify which output columns to print.  Use --help to get a list of all supported columns.

       -P, --pairs
              Use key="value" output format.

       -r, --raw
              Use the raw output format.

lsblk -o NAME,SIZE : to display disk partition in a human readable format.

terminal output


In case, you want to print all the information Kernel version, release info and disk partition info with a single command, use the below command:

sudo fdisk -l; uname -a; lsb_release -a  

terminal output

If you want to add something, please mention that in comments. 

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