Finding System Information

  1. To see the release version of the operating system cat /etc/os-release

    1. Fedora : cat /etc/fedora-release
    2. Redhat : cat /etc/red-release

  2. Uname prints information about the machine and operating system it is run on.

Print all information:

      uname --all

  Print the current kernel name:

      uname --kernel-name

  Print the current network node host name:

      uname --nodename

  Print the current kernel release:

      uname --kernel-release

  Print the current kernel version:

      uname --kernel-version

  Print the current machine hardware name:

      uname --machine

  Print the current processor type:

      uname --processor

  Print the current operating system name:

      uname --operating-system
  1. dmidecode : Display the DMI (alternatively known as SMBIOS) table contents in a human-readable format. Requires root privileges.
Show all DMI table contents:

      sudo dmidecode

  Show the BIOS version:

      sudo dmidecode -s bios-version

  Show the system serial number:

      sudo dmidecode -s system-serial-number

  Show BIOS information:

      sudo dmidecode -t bios

  Show CPU information:

      sudo dmidecode -t processor

  Show memory information:

      sudo dmidecode -t memory