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Thread: Complete installation question

  1. #1
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    Complete installation question

    I gave a command line instruction to upgrade my Aunt's computer, but had to leave. So I told her to leave it on a couple hours. She probably turned it off after a few hours.
    Is there a chance that it would have asked her a question (like to delete unneeded files) or other question, and her turning it off messed up the computer?
    Last edited by coffeecat; February 11th, 2021 at 10:36 AM. Reason: Original post text restored

  2. #2
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    Re: Complete installation question

    It can ask questions and turning it off can mess things up. Just running a
    Code:
    sudo apt full-upgrade
    sudo apt autoremove
    may clean it up. If not, it may take quite some effort to clean it up.
    Last edited by Impavidus; February 4th, 2021 at 10:47 AM. Reason: typo: ful -> full

  3. #3
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    Re: Complete installation question

    It all depends on what version we are upgrading from and what version we are upgrading to.

    I started with Ubuntu 18.04 that had both Gnome 3 shell and Unity 7 installed. I was asked to approve the removal of obsolete packages. Unity 7 was removed. As I was also using the Light Display Manager (LightDM) for the login screen I was asked to configure the Gnome Display Manager (GDM).

    So, yes an upgrade sometimes, perhaps usually, asks for user input. I expect similar questions will be asked when upgrading from 20.04 (LTS) to 22.04 (LTS). The upgrade process to 22.04 may ask us to approve greater security for our home folder and whether we want to switch to using a Wayland display server if we are not already using one. I am just guessing.

    https://www.omgubuntu.co.uk/2021/01/...n-ubuntu-21-04

    https://www.omgubuntu.co.uk/2021/01/...and-by-default

    Regards
    Last edited by grahammechanical; February 3rd, 2021 at 08:30 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


  4. #4
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    Re: Complete installation question

    System files that are not the default will prompt for change confirmation. Depending the how many config files were changed, this could stop an upgrade at diffferent points of the process.

  5. #5
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    Re: Complete installation question

    Quote Originally Posted by Impavidus View Post
    It can ask questions and turning it off can mess things up. Just running a
    Code:
    sudo apt ful-upgrade
    sudo apt autoremove
    may clean it up. If not, it may take quite some effort to clean it up.
    Thanks to the 3 of you that replied. I just talked to her on the phone, and she said she was using the computer today with no problems.

    Perhaps I will still run those 2 sudo commands, next time I'm down there, just to make sure all is ok.

    I was attempting to update from 16.04 to the latest version. I was following directions to do this:
    sudo apt update && sudo apt upgrade
    sudo do-release-upgrade

    Was hoping to get an LTS upgrade

  6. #6
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    Re: Complete installation question

    Note that I fixed a typo in the command above. It's full-upgrade, not ful-upgrade.

    From a PM:
    Quote Originally Posted by jmichaels29
    When running those 2 sudo commands. How long do you think it will take.
    Better ask such things on the forum. Others may respond faster.

    Now way to tell. It will show a list of packages that will be upgraded. The longer the list, the longer it will take. A few seconds per package, on average. Or it could take forever, if there's some problem.

    "The latest version" is ambiguous. Do you mean the latest LTS version (20.04), the latest interim version (20.10) or even the current development version? As you're maintaining this system at a distance and are not the primary user, best to use the LTS version. But even then, 16.04 to 20.04 is a double upgrade, going via 18.04.

  7. #7
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    Re: Complete installation question

    I would think it would be much simpler to shrink the partition on which she currently has Ubuntu and install the latest LTS on a newly created partition. This woulds likely not take more than 30 minutes and if something goes wrong, she would still have the old system. Obviously, you would need to know the process, do some research beforehand.

    The last time I did a full upgrade was from 14.04 to 16.04 and that took 3+ hours with average hardware and average internet connection. The upgrade process in this case will require a total upgrade to 18.04 and then an additional total upgrade to 20.04. If you lose power or have a brownout during the process, major problems and this is something the user has absolutely no control over..

  8. #8
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    Re: Complete installation question

    I was attempting to update from 16.04 to the latest version. I was following directions to do this:
    sudo apt update && sudo apt upgrade
    sudo do-release-upgrade
    So, I just did multiple upgrades from 16.04 --> 18.04 in the last month.
    A few comments.
    Code:
    sudo apt update # good start. Required.
    sudo apt full-upgrade # this is needed to get updated kernels and remove out-of-date packages which have been replaced. 
    # For normal patching, no need for sudo apt upgrade if you use full-upgrade.  One or the other, depending on your 
    # specific needs and stability requirements.
    # If a new kernel or new libc* gets installed, 
    sudo reboot
    Now try the
    Code:
    sudo do-release-upgrade
    On my 16.04 systems, this didn't do anything, but I remove a bunch of unwanted Canonical apt-nag packages, so it may work on your system. If it doesn't, then you get to manually edit all the sources in /etc/apt/ and rename the PPA files so those don't break on the new OS.

    I've done this over ssh to remote systems many times.

    As for the time needed, sometimes it is 1 hour and sometimes it is 3+ hrs. On a system last week, the release upgrade ran out of disk and failed. Think it had 5G free on / before starting. I'd been careful to ensure /boot/ (I use LVM), had sufficient storage, but not /. The root LV was full and I had to make some more room on other LVs so I could extend the root LV and finish. Even then, some of the post-install cleanup tasks refused to run due to lack of space, so I deleted an old 10G test LV and added that back to the root LV. Once everything was done,
    Code:
    $ df /
    Filesystem                  Size  Used Avail Use% Mounted on
    /dev/mapper/hadar--vg-root   32G   18G   13G  58% /
    This isn't a desktop system, so I wasn't looking forward to setting up 15 LVs and reconfiguring 50 server processes after a full install. As you can see, there is plenty of extra space now, normally, it would only have 20G on a 16.04 system. 18.04 and 20.04 are hogs and need more storage (not including swap). Looks like 30G for / is now the safer amount, assuming HOME and swap are in other LVs.
    Plus, I'm not 100% certain how to do some non-trivial network things under netplan, but with an upgrade, the interfaces file is retained and pulled forward nicely, unmolested.

    On a typical desktop, if you have 30G free, it would make sense to just do a fresh install into a new partition/LV. That would be 10-20 minutes. Then you can use typical backup/restore techniques to reload the same old applications that were previously on the old system.

  9. #9
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    Re: Complete installation question

    Quote Originally Posted by Impavidus View Post
    Note that I fixed a typo in the command above. It's full-upgrade, not ful-upgrade.

    From a PM:

    Better ask such things on the forum. Others may respond faster.

    Now way to tell. It will show a list of packages that will be upgraded. The longer the list, the longer it will take. A few seconds per package, on average. Or it could take forever, if there's some problem.

    "The latest version" is ambiguous. Do you mean the latest LTS version (20.04), the latest interim version (20.10) or even the current development version? As you're maintaining this system at a distance and are not the primary user, best to use the LTS version. But even then, 16.04 to 20.04 is a double upgrade, going via 18.04.
    I was attempting to get to the latest LTS version of 20.04
    Which command line is best for this (the sofware updater app doesn't work for some reason).

  10. #10
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    Re: Complete installation question

    To get from 16.04 to 20.04, there are 2 upgrades necessary. That's a bunch of risk for a single week.

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