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Thread: How do I upgrade Ubuntu 18.04 up to 18.04.4 LTS?

  1. #1
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    How do I upgrade Ubuntu 18.04 up to 18.04.4 LTS?

    Hello

    I want to install 64 bits Ubuntu 18.04.4 LTS in an external SSD for a 64 bits computer. I already downloaded and installed the desktop Ubuntu downloadable from the following link:
    http://old-releases.ubuntu.com/releases/18.04.4/ Nonetheless, for some strange reason, if I type
    HTML Code:
    lsb_release -a
    I see 18.04 instead of 18.04.4. That means, even I though I ended up downloading and installing the desktop Ubuntu image of the mentioned link, the minor version that got installed is 18.04.

    Moreover, I think the most up-to-date minor version of Ubuntu 18.04 is 18.04.5 LTS. Considering I need to install Ubuntu 18.04.4, what commands should I type in command terminal in order to get my operating system upgraded, making sure that it gets upgraded only up to the minor version 18.04.4 LTS, instead of up to the most up-to-date minor version, that means 18.04.5 LTS?

    Thanks
    Last edited by goahead97; March 4th, 2021 at 07:23 PM.

  2. #2
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    Re: How do I upgrade Ubuntu 18.04 up to 18.04.4 LTS?

    The point releases after the initial 18.04.1 just differ by the kernel they offer. You can keep the original kernel for the support life of the release if you want by installing the 18.04.1 , or get more recent kernels starting with .2 but only with a 9 month support life. You can always add the hwe packages for later kernels any time you want.

  3. #3
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    Re: How do I upgrade Ubuntu 18.04 up to 18.04.4 LTS?

    The point releases are simply an updated image of the then-current software, so that you have less to download at install time. Whether you install the earliest iso and then update, or install the latest iso and then update, you'll be running exactly the same software. For 16.04 and 18.04 the .2 release enabled the HWE stack by default, whereas the .0 and .1 releases didn't, but from 20.04 onwards the HWE stack is enabled by default, where appropriate, on all releases. 18.04.4 isn't a version, it's simply a release; the version is 18.04 LTS.

  4. #4
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    Re: How do I upgrade Ubuntu 18.04 up to 18.04.4 LTS?

    The point release only matter for the live disk images. If lsb_release -a gives some number, that doesn't mean much. I'm not sure it actually gives a number, as I'm on an interim release, so no point release number anyway. If you installed from the 18.04.4 image, you should have 18.04 more or less in the state with all updates released until 1-2020. The differences between 18.04.4 and 18.04.5 are a newer version of Firefox, a kernel from the 5.4 series instead of 5.3 (I think) and some bugfixes. The older kernel series (from Ubuntu 19.10) is no longer supported, so don't use it.

  5. #5
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    Re: How do I upgrade Ubuntu 18.04 up to 18.04.4 LTS?

    For example, I installed LXLE 64 bits Ubuntu 18.04.3 on another external SSD and I upgraded to the last minor and now lsb_release outputs the following:

    Code:
    No LSB modules are available.
    Distributor ID: Ubuntu
    Description:    Ubuntu 18.04.5 LTS
    Release:        18.04
    Codename:       bionic
    I thought I could do something like this in order to upgrade the Ubuntu 18.04 I got from
    http://old-releases.ubuntu.com/releases/18.04.4/
    up to Ubuntu 18.04.4.

    When I boot with the external SSD where I installed the desktop Ubuntu image of
    http://old-releases.ubuntu.com/releases/18.04.4/
    the command lsb_release -a outputs the following:

    Code:
    No LSB modules are available.
    Distributor ID: Ubuntu
    Description:    Ubuntu 18.04 LTS
    Release:        18.04
    Codename:       bionic

    Considering I see 18.04.4 LTS nowhere in the output of
    lsb_release -a
    , I wonder what must be done to upgrade to Ubuntu 18.04.4 LTS.

    Even though I could just upgrade to the most up-to-date minor release (Ubuntu 18.04.5) of Ubuntu 18.04, I need to use Vitis 2020.2 and as far as I read on
    https://www.xilinx.com/html_docs/xilinx2020_2/vitis_doc/acceleration_installation.html#vhc1571429852245
    among minor releases of Ubuntu 18.04, only 18.04.1, 18.04.2, 18.04.3 and 18.04.4 are, according to the explicit mention of the aforementioned link, compatible with Vitis 2020.2.

    This is the reason why I would like to know how I could get Ubuntu 18.04.4 and how to be sure I exactly got that version and nothing beyond that.

    By the way, even though Ubuntu 20.4 seems to be compatible as well with Vitis 2020.2 according to that link, I also need to use a hardware device that is only compatible with releases of Ubuntu 16.04 or 18.04.

    Thanks
    Last edited by goahead97; March 4th, 2021 at 08:47 PM.

  6. #6
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    Re: How do I upgrade Ubuntu 18.04 up to 18.04.4 LTS?

    With

    Code:
    lsb_release -a
    We do get a point number. As on my install.

    Graham@sdb1-sdb8:~$ lsb_release -a
    No LSB modules are available.
    Distributor ID: Ubuntu
    Description: Ubuntu 20.04.2 LTS
    Release: 20.04
    Codename: focal
    What does the description say?

    Regards

    P.S. The command simply prints in the terminal the contents of the text file /etc/lsb-release. There is no trickery here.
    Last edited by grahammechanical; March 4th, 2021 at 08:18 PM.
    It is a machine. It is more stupid than we are. It will not stop us from doing stupid things.
    Ubuntu user #33,200. Linux user #530,530


  7. #7
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    Re: How do I upgrade Ubuntu 18.04 up to 18.04.4 LTS?

    When I boot with the external SSD where I installed the desktop Ubuntu image of http://old-releases.ubuntu.com/releases/18.04.4/
    the command lsb_release -a outputs the following:

    Code:
    No LSB modules are available.
    Distributor ID: Ubuntu
    Description:    Ubuntu 18.04 LTS
    Release:        18.04
    Codename:       bionic
    Therefore the description says Ubuntu 18.04 LTS.

    Are 18.04 and 18.04.1 synomyms?

    Otherwise, what do I need to do to upgrade from 18.04 to one of the following?
    18.04.1, 18.04.2, 18.04.3, 18.04.4

    Thanks in advance.

  8. #8
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    Re: How do I upgrade Ubuntu 18.04 up to 18.04.4 LTS?

    Are 18.04 and 18.04.1 synomyms?
    No.
    The difference between these two is the .1 point release contains all accumulated updates since the initial 18.04 release.
    This is why it is recommended for productivity machines to hold off upgrading until the first point release is out.
    Since the point release will have fixes applied that couldn't be fixed in the initial release. (either because not enough time, or because the issues weren't widely known)
    Succeeding point releases apply the same updates process (applies all accumulated updates since the last point release)
    with the added bonus of moving up hardware stacks based on what the stacks of current standard (non-lts) releases are.

    Otherwise, what do I need to do to upgrade from 18.04 to one of the following?
    Not possible anymore.
    All updates will move directly to 18.04.5.
    Splat Double Splat Triple Splat
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    Don't mind me, I'm only passing through.
    Once in a blue moon, I'm actually helpful
    .

  9. #9
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    Re: How do I upgrade Ubuntu 18.04 up to 18.04.4 LTS?

    Run:
    Code:
    sudo apt-get update
    sudo apt-get full-upgrade
    That should bump up the system to 18.04.5

    Code:
    $ lsb_release -a
    No LSB modules are available.
    Distributor ID: Ubuntu
    Description:    Ubuntu 18.04.5 LTS
    Release:        18.04
    Codename:       bionic
    Then you can install the HWE stuff. How depends on which DE you have installed. There are instructions if you goolge "HWE Ubuntu" and look for your specific release. That will get you to the 5.4.x kernel and update the X/Windows stuff. 5.4.x is the kernel on the normal 20.04 release. This can make newer hardware work better, but some older hardware may work less good too. Just depends. It is a risk.

    BTW, it would have helped if you simply posted the lsb_release -a AND the output, so the posts above didn't have to interpret what you wrote and hope they did that correctly. I know I couldn't.
    Last edited by TheFu; March 5th, 2021 at 02:29 AM.

  10. #10
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    Re: How do I upgrade Ubuntu 18.04 up to 18.04.4 LTS?

    Quote Originally Posted by goahead97 View Post
    I wonder what must be done to upgrade to Ubuntu 18.04.4 LTS.
    There is no such animal. Just stop. Install whatever release of 18.04 (or 20.04) that you have to hand, and run all your updates. You're running a fool's errand (and this isn't the first thread on the subject, IIRC) because they haven't got round to listing all the point releases on one page of their website. Contact your vendor to get them to update their documentation if you can be bothered.

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