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Thread: What's the best way to upgrade from 12.04 to 18.04?

  1. #1
    Join Date
    Aug 2013
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    What's the best way to upgrade from 12.04 to 18.04?

    I have an old machine that is running 12.04. The essentials are backed up. Would it make more sense to just install over the top with 18.04?

  2. #2
    Join Date
    Feb 2010
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    Ubuntu Budgie Development Release

    Re: What's the best way to upgrade from 12.04 to 18.04?

    Clean installation would be the best idea. 18.04 uses the gnome-shell by default and not Unity though you can install it as an extra session if preferred .
    "Our intention creates our reality. "

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  3. #3
    Join Date
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    Re: What's the best way to upgrade from 12.04 to 18.04?

    ^^yes that is the best way^^

    Do you mean using the option to install 18.04 on the existing 12.04 partition and preserve your current"home" directory?

    Considering the age of your current install and how much has changed in 18.04, I would say better to go with a totally fresh install. I would use gparted and wipe the current install and then reuse that partition. I like taking the extra step (using gparted) just to insure everything goes right.

  4. #4
    Join Date
    Mar 2007
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    Re: What's the best way to upgrade from 12.04 to 18.04?

    If you are trying to preserve any one the information on the old install back it up first then do a clean install. If you are trying to duplicate the old install then you will need to do some homework to figure out what additional software was install.

  5. #5
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    Re: What's the best way to upgrade from 12.04 to 18.04?

    What method of backup ? I usually compress my files and move them to a removable drive or cloud service and just transfer them to the new installation . This method is dependent on temporary storage resources.
    "Our intention creates our reality. "

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  6. #6
    Join Date
    Oct 2009
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    Xubuntu

    Re: What's the best way to upgrade from 12.04 to 18.04?

    After the fresh install I recommend that you change all passwords which have been entered while running 12.04. The system is out of support so consider the security breached.
    Bringing old hardware back to life. About problems due to upgrading.
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  7. #7
    Join Date
    Oct 2017
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    90

    Re: What's the best way to upgrade from 12.04 to 18.04?

    My way to do such an upgrade: get a new HDD, format it with the USB installer had do a head dive. You still have the old installation to work with if you screw up. I'm writing this on a freshly installed Dell Inspiron 1525 with 18.04 Beta 2 32 bit.
    No need to complain, installed clean and smooth.

  8. #8
    Join Date
    Nov 2004
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    Maine
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    Ubuntu 20.04 Focal Fossa

    Re: What's the best way to upgrade from 12.04 to 18.04?

    definately a fresh install but try the live dvd/usb first that's a pretty old machine and may not run 18.04 well. you may be better off with 16.04 for the time being. But give it a try.
    Wireless script
    Dave
    Registered Linux User #462608
    Morse Code an early Digital Mode.

  9. #9
    Join Date
    Mar 2007
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    1,156

    Re: What's the best way to upgrade from 12.04 to 18.04?

    If I were going to attempt an in place upgrade I'd first upgrade to 14.04 LTS. 12.04 is an LTS and should work OK. Once I had confirmed that 14.04 LTS worked well I'd do an in place upgrade to 16.04 LTS. I wouldn't upgrade to 18.04 yet. I don't plan on upgrading any of my 16.04 LTS systems until at least 18.04.1. That will be the first time an in place LTS upgrade will be automaticall offered. You can set the update manager to only look for LTS upgrades.

  10. #10
    Join Date
    Jun 2007
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    North Vancouver, Canada
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    3,397
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    Ubuntu 20.04 Focal Fossa

    Re: What's the best way to upgrade from 12.04 to 18.04?

    The "/home" partition on my wife's computer goes back to at least 10.04.
    Just need to reinstall "/" every LTS and reinstall her main programs.
    Everything seems to work OK.

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