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Upgrade Ubuntu 14.04 to Ubuntu 16.04 – Server Upgrade

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  • 13/01/2020 12:06 PM

check HDD space
df -h

check Ubuntu version
cat /etc/*release

make your server system up-to-date
$ sudo apt-get update && sudo apt-get dist-upgrade

Then reboot your system to finish installing updates.
$ sudo init 6

install the update-manager-core package using the command below that is if it is not yet installed on your server:
$ sudo apt-get install update-manager-core

edit this file, /etc/update-manager/release-upgrades using your favorite editor and set Prompt=lts as in the output below:
$ sudo vi /etc/update-manager/release-upgrades

keep "next" and "yes" for this process
$ sudo do-release-upgrade or $ sudo do-release-upgrade -d

reboot the server and the server will be updated to Ubuntu 16.04
$ sudo init 6

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