• Linux Mint Upgrade Tool. How To

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    How to Upgrade Linux Mint 20.3 to Linux Mint 21

    If you do not wish to do a fresh Linux Mint 21 Vanessa installation, you can simply upgrade from an earlier version…

    Before you proceed, note that this is a major upgrade and it is bound to take several hours. * Besides, after initiating the upgrade process, the upgrade tool will require your current Linux Mint installation to be up to date (you will have to install updates where necessary) and to prepare system snapshots as well.

    So, do not rush, kindly do not take shortcuts that may negatively affect the whole upgrade process…

    Step 1: Install mintupgrade Tool

    First, open a terminal, run the following commands to refresh your apt-cache, and install the mintupgrade upgrade tool:

    $ sudo apt update
    $ sudo apt install mintupgrade…


    * Several hours to upgrade OS ? in 2022 ? (does the process use only 1/2 Core of CPU and 640K of RAM ?)

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    • #2468858

      I upgraded a few Mint installations when I was using Mint, and while the script is admittedly slow, I don’t remember it taking that long.

      Dell XPS 13/9310, i5-1135G7/16GB, Kubuntu 22.04, OpenSUSE Tumbleweed
      XPG Xenia 15, i7-9750H/16GB & GTX1660ti, Kubuntu 22.04, OpenSUSE Tumbleweed

    • #2468906

      So….what’s the consensus here?   Would a clean install be the way to go if you have all your data files on an external drive?


      • #2468936

        I’ve always done clean installations from a usb flash drive. Usually takes about an hour to hour and a half to download, burn to flash drive, install from flash drive, move file back to computer HDD/SSD, install bookmarks and any other programs. Caveat is that I don’t generally have many backed-up files or many programs to install.

        1 user thanked author for this post.
      • #2468964

        @Mike, I’m with DrBonzo here, why?
        I much prefer a clean install that ensures a lean OS YMMV

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