If you are interested in updating your kernel in Linux Mint 20, follow this article. To check the Linux kernel version on your system, you need to type the following command: uname -srm After running this command, something like this will be shown as an output: linux 4.15.0-54-generic x8664 As you can see above in the output, the Linux kernel version is 4.15.0-54 and works as 64-bit. Run the dmesg command along with grep to extract the kernel version from the output. To view the list of installed kernels, you can simply examine the contents of this directory using the find command: find /boot/vmli Sample Output from my Ubuntu 22. Execute the following, cat /proc/versionĭmesg command is used to print kernel related messages on the terminal. In most Linux distributions, the installed Linux kernels and their associated files are typically stored in the /boot directory. You can check the kernel version by viewing the content of the/proc/version file. Uname prints the system information including operating system name, kernel release and version etc.Įxecute the uname command with -r option, uname -rĮxecute the following and look for the ‘Kernel’ as shown below in the screenshot, hostnamectl The hostnamectl command is typically used to display information about the system’s network. Linux/Unix Open the terminal application (bash shell) For remote server login using the ssh: ssh userserver-name Type any one of the following command to. ![]() The uname command includes additional options that you can use to get more information about your kernel. The output above shows that the Linux kernel is 64-bit and its version is 4.15.0-54, where: 4 - Kernel Version. 4 Commands to Find Linux Kernel Version uname Command. Starting from Linux kernel 2.4, a fourth variable in the kernel name denoted the patch releases. To find out what version of the Linux kernel is running on your system, type the following command: uname -srm. ![]() In today’s tutorial, I am focusing on several ways of checking the kernel version in Ubuntu 20.04.Ĭhecking Kernel Version in Ubuntu 20.04 Method # 1: Using uname command The LTS kernel 3.2 was developed by stabilizing the new features in version 3.1, and similarly, a new development kernel 3.3 branched out of 3.2 to make way for new features that would be then introduced in Linux 3.4. Each number, separated by a dot or hyphen, is part of a code: 3 This is the main kernel version. You can read more about the kernel on the Wikipedia page. Launch a terminal window, then enter the following: uname r The system will return a numeric code, for example: 3.10.0-957.21.2. One of the core responsibilities of Kernel is to pass commands or instructions from applications to the underlying hardware of the CPU and return the result. A kernel is a computer program and it provides an interface between software and hardware of a computer system. I have been asked to display a list of Memory Usage, CPU Usage & Kernel Version for all Linux servers in our organization.
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