Getting information on a running Linux Kernel

Getting information on a running Linux Kernel

We can use command uname with various options to get complete details of the running kernel.

uname -a Linux df1-ws-5084 4.4.0-64-generic #85-Ubuntu SMP Mon Feb 20 11:50:30 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

As per the main page, here few more options are there:

Usage: uname [OPTION]... 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 (non-portable)
  • -i, --hardware-platform print the hardware platform (non-portable)
  • -o, --operating-system print the operating system
  • --help display this help and exit --version output version information and exit.

Ubuntu:

lshw is a small tool to extract detailed information on the machine's hardware configuration. It can report exact memory configuration, firmware, mainboard configuration, CPU version and speed, cache configuration, bus speed, etc.