Fixed: How To Fix Current Linux Kernel Version

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    In this user guide, we will describe several possible reasons that might cause checking the current version of the Linux kernel, and then I will provide possible fixes that you can try to solve for this problem. uname -r: Find the Linux kernel version.cat /proc/version: Displays the Linux kernel version using a valuable file.hostname | grep kernel: For systemd-based Linux distributions, you can use hotnamectl to show the hostname in addition to the running version of the Linux kernel.

    v

    Would you like to know which version of the kernel you are using?

    The Linux kernel is like the central chemistry of the operating system. While this method is open source, which means that anyone can sometimes see and change the codes, the Linux kernel is built with multiple protocols to ensure both stability and security.

    This guide will help you check the Linux kernel version of your distribution.

    Background

  • Linux-based system (Ubuntu, Debian, RHEL, CentOS or even another version)
  • Terminal/Control Window (Ctrl-Alt-T, Ctrl-Alt-F2 line)
  • 4 Commands To Find The Linux Kernel Version

    Rename Command

    Start the station window, then type:

    uname-r

    What is the latest stable Linux kernel?

    The latest from the stable Linux kernel,

    The product returns a numeric encoding, for example:

    3.10.0-957.21.2.

    Each digit separated by a dot or dash, part of which is a code:

  • 3 – This is one of the major kernel versions
  • .10 – This is a major release release
  • .0 is usually a minor version
  • -957 is usually the level of annoying patches and fixes.
  • The

    command uname contains additional options that you can use to get more information about your kernel. Just enter the parameter after the command:

  • -a – Show all information
  • -o – show specific GNU/Linux operating system)
  • -r (usually – shows the kernel version
  • -v – Show kernel version (usually contains the base operating system and thus kernel compilation time)
  • For a complete list of uname commands, type

    uname --help

    Note: your kernel version is probably very different from this example. At the time of writing this short text, the latest version is Linux 9kernel.0.

    Hostnamectl Command

    check current linux kernel version

    The hostnamectl command is most commonly used to display network configuration information for the entire system. The major version of the kernel is also displayed.

    To check the exact kernel version, type:

    hostnamectl

    The penultimate group should be:

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  • Kernel: Linux 3.10.0-957.21.2.el7.x86_64

    Display The Most Important /proc/version

    To view the file, enter the following proc/version command:

    cat /proc/version

    How to display the version of you Linux kernel?

    To check the Linux kernel version, try the following commands: uname -r: search for an alternative Linux kernel cat /proc/version: display the Linux kernel version using a pretty hostname ctl | grep Kernel: For systemd-based Linux distributions, you and your family can use hotnamectl to see the hostname and version of the running Linux kernel.

    The cat command displays the contents of the /proc/version image. This output first displays the version of the Linux kernel along with additional information about your operating system.

    Dmesg Command

    The dmesg command is used to print the main kernel message buffer. This is typically used to read device driver instructions, but can also be easily used to find the kernel version.

    Enter command:

    dmesg | Linux grep

    Character | (verticalThe dash) is definitely on the same key as a certain character, just above the “Join” button.

    Commands work like this:

  • dmesg – includes the contents of the kernel buffer
  • | – usually pass the command to the next command
  • grep searches for a specific string and displays the lines containing it
  • Linux is exactly the line that grep should look for (case sensitive)
  • Is it good to have multiple version of Linux kernel?

    You want to keep one or more kernel versions in order to have one or more “backup” kernels. This should be useful if you need kernels for testing. If something goes wrong (like your computer definitely won’t boot), you can still use one or more kernel versions, which is welcome.

    The actual output line indicates the version of the Linux kernel.

    Note. When upgrading to a good kernel, it is recommended that you choose a version that is compatible with your main version of Linux. Your transaction manager usually provides users with verified kernel versions in addition to the verified manual

    Conclusion

    This showed you several ways to check the structure of the Linux kernel. Since you’re only reading the file’s output information, you don’t need sudo privileges.

    The Linux kernel is modular. The functionality is extensible and includes modules or drivers. Find out toHow to use the modprobe command to insert or remove modules in Linux.

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    check current linux kernel version

    The Linux kernel is very much like the brain of a modern operating system. While the source code should be open source, meaning anyone can see and even change the code, the Linux kernel was built with several directives to ensure stability and security.

    This guide will help you perform a final check of the Linux kernel version for your distribution.

  • Linux-based system (Ubuntu, Debian, RHEL, CentOS or later)
  • Terminal window/line manager (Ctrl-Alt-T, Ctrl-Alt-F2)
  • 4 Commands To Find The Linux Kernel Version

    Rename Command

    uname-r
    3.10.0-957.21.2.

    Each number, separated by a dot or hyphen, usually consists of the code:

  • 3 – this was the major version of the kernel
  • .10 – This may be a major version
  • .0 is a minor version
  • -957 – This is the level of interfering patches to be fixed
  • The uname command contains additional options that you can anduse for more information about your kernel. Just add an option after the command:

  • -a – Show all information
  • -o – show the operating system (usually GNU/Linux)
  • -r — Show kernel version
  • -v – show kernel version (usually includes base operating system and kernel compile time)
  • uname --help

    Hostnamectl Command

    The hostnamectl command is often used to display information about a system’s network configuration. The kernel version is also displayed.

    hostnamectl
    Kernel: Linux 3.10.0-957.21.2.el7.x86_64

    Usually Displays /proc/version

    cat /proc/version

    The cat command contains the contents of the /proc/version file. This output first shows the Linux kernel version, along with additional hints about your operating system.

    Dmesg Command

    The dmesg command is used to create a kernel message buffer. This is typically used to read device driver email messages, but it can also be used.Search for this kernel version.

    dmesg | Linux grep

    The | character (the vertical bar) is commonly found on these keys, along with the character above the Enter key.

  • dmesg – analysis of the contents of the buffer core
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