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Upgrade to Ubuntu 20.04 LTS

April 26, 2020

Now that Ubuntu 20.04 LTS (Long Term Support) is out, here’s a quick guide to upgrade to Ubuntu 20.04 LTS. You can ONLY upgrade from either Ubuntu 18.04 LTS or 19.10. If you have older versions of Ubuntu, it may not work. I suggest you back up your VM before running the upgrade, so you can quicky recover if something goes awry. This upgrade process will require sudo access.

# login as root
sudo -i
# check your current version
lsb_release -a
# update packages
apt update -y
apt upgrade -y
# reboot server
reboot
# remove old kernels
apt --purge autoremove
# install update manager core
apt install update-manager-core
# finally, perform the upgrade
do-release-upgrade -d
# reboot the server
reboot
# after reboot confirm
lsb_release -a

# login as root sudo -i # check your current version lsb_release -a # update packages apt update -y apt upgrade -y # reboot server reboot # remove old kernels apt --purge autoremove # install update manager core apt install update-manager-core # finally, perform the upgrade do-release-upgrade -d # reboot the server reboot # after reboot confirm lsb_release -a

Filed Under: Linux Tagged With: 20.04 LTS, release, ubuntu, update, upgrade

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