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Real-Time Kernel Now Available On Ubuntu 24.04 LTS

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  • Real-Time Kernel Now Available On Ubuntu 24.04 LTS

    Phoronix: Real-Time Kernel Now Available On Ubuntu 24.04 LTS

    Similar to the real-time kernel for Ubuntu 22.04 LTS, Canonical announced today the availability of their new real-time "RT" kernel for Ubuntu 24.04 LTS. But like with the existing Ubuntu RT kernels, this real-time support is limited to Ubuntu Pro subscriptions...

    Phoronix, Linux Hardware Reviews, Linux hardware benchmarks, Linux server benchmarks, Linux benchmarking, Desktop Linux, Linux performance, Open Source graphics, Linux How To, Ubuntu benchmarks, Ubuntu hardware, Phoronix Test Suite

  • #2
    Too bad Ubuntu can't help here.

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    • #3
      Ubuntu 24.04 LTS use the Kernel 6.8, but on kernel.org the Kernel 6.8 is indicated as End of live [EOL] ?!

      I'm afraid this will pose a problem for some Ubuntu users as well as for OS derived from Ubuntu 24.04 LTS...​

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      • #4
        Originally posted by Phil995511 View Post
        Ubuntu 24.04 LTS use the Kernel 6.8, but on kernel.org the Kernel 6.8 is indicated as End of live [EOL] ?!

        I'm afraid this will pose a problem for some Ubuntu users as well as for OS derived from Ubuntu 24.04 LTS...​
        canonical maintains it themselves and backports to it. It's supported.

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        • #5
          Originally posted by Phil995511 View Post
          Ubuntu 24.04 LTS use the Kernel 6.8, but on kernel.org the Kernel 6.8 is indicated as End of live [EOL] ?!

          I'm afraid this will pose a problem for some Ubuntu users as well as for OS derived from Ubuntu 24.04 LTS...​
          That is not how any of this works, all distros maintain and backport their respective kernels. E.g RHEL8 uses v4.18 and it went EOL at kernel.org with 4.18.20 in 2018 but Red Hat recently released 4.18.0-553.el8_10, aka they are 553 patches added to the 4.18.0 original kernel and they will keep on patching it to 2032 something. Similar with Debian, Ubuntu, Suse and so on.
          Last edited by F.Ultra; 30 May 2024, 08:33 PM.

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          • #6
            Originally posted by F.Ultra View Post

            That is not how any of this works, all distros maintain and backport their respective kernels. E.g RHEL8 uses v4.18 and it went EOL at kernel.org with 4.18.20 in 2018 but Red Hat recently released 4.18.0-553.el8_10, aka they are 553 patches added to the 4.18.0 original kernel and they will keep on patching it to 2032 something. Similar with Debian, Ubuntu, Suse and so on.
            Yes, I already knew that at Red Hat they use old kernels and that they themselves make the necessary security updates to keep them protected.

            But concerning Ubuntu I am extremely surprised!! The kernels previously used for Ubuntu were all LTS at Kernel.org, it seems to me, even if Ubuntu recompiles their kernels themselves like all other distributions.

            Lately Ubuntu offers advanced kernel upgrade options for users, much like Manjaro. But some people want to use a single LTS kernel to ensure stability of their systems and not have to switch between LTS kernels, non-LTS kernels, etc, etc.
            Last edited by Phil995511; 30 May 2024, 09:39 PM.

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            • #7
              Arch, in contrast to greedy Ubuntu:

              Code:
              pacman -S linux-rt

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              • #8
                Originally posted by Phil995511 View Post
                But concerning Ubuntu I am extremely surprised!! The kernels previously used for Ubuntu were all LTS at Kernel.org, it seems to me, even if Ubuntu recompiles their kernels themselves like all other distributions.
                Ubuntu LTS usually go with a non-LTS kernel for the first year and switch to the first LTS kernel that is released after that, with yearly updates. So:

                24.04.0 - not LTS
                24.04.1 - not LTS (summer 24)
                24.04.2 - not LTS (24.10)
                24.04.3 - latest LTS (25.04)
                24.04.4 - latest LTS (25.10)
                ​​​​​​ ...

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                • #9
                  Originally posted by wertigon View Post

                  Ubuntu LTS usually go with a non-LTS kernel for the first year and switch to the first LTS kernel that is released after that, with yearly updates. So:

                  24.04.0 - not LTS
                  24.04.1 - not LTS (summer 24)
                  24.04.2 - not LTS (24.10)
                  24.04.3 - latest LTS (25.04)
                  24.04.4 - latest LTS (25.10)
                  ​​​​​​ ...
                  I used Linux Mint between 2005 and 2015 which is a derivative of Ubuntu, it only used the base LTS kernel of Ubuntu, like many other distributions based on Ubuntu. And it seems that it is still the case today...

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                  • #10
                    Originally posted by Phil995511 View Post

                    I used Linux Mint between 2005 and 2015 which is a derivative of Ubuntu, it only used the base LTS kernel of Ubuntu, like many other distributions based on Ubuntu. And it seems that it is still the case today...
                    LM contains a tool that manages kernels. Or it can be simply installed with one meta package, which the system always promotes to the latest supported kernels.

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