How to upgrade from 14.04 LTS or 15.10 to 16.04 from terminal.
asked Apr 22, 2016 at 6:33
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3 Answers
The easiest way is sudo do-release-upgrade.
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4This is not sufficient! You have to first choose
Software & Updates>Updates>Notify me of a new Ubuntu version>For any new version. Now, dosudo apt-get update,sudo apt-get upgradeand finallysudo do-release-upgrade. If you just have thereFor long-term support versions, it will not work because you cannot upgrade for some reason directly from LTS to LTS at the moment. Jun 7, 2016 at 17:29 -
1@Masi You raised a good point. If you are using a LTS, you can only upgrade to the first point release of the next LTS. If you want to upgrade before the first point release without using the GUI, as is the case currently if you want to upgrade from 14.04 LTS to 16.04 LTS, use the
-dflag as mentioned in help.ubuntu.com/lts/serverguide/installing-upgrading.html.– edwinkslJun 7, 2016 at 18:59 -
-d is only for development releases as said there, and not recommended for production envs, thx for the link :) Jul 1, 2017 at 1:55
You can use sed for editing your sources.list file. I suggest you to backup it first.
To upgrade on 15.10:
sed -i -e "s/trusty/wily/g" /etc/apt/sources.list
apt-get update && apt-get dist-upgrade
To upgrade on 16.04:
sed -i -e "s/wily/xenial/g" /etc/apt/sources.list
apt-get update && apt-get dist-upgrade
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To upgrade on 16.04 from 14:
sed -i -e "s/trusty/xenial/g" /etc/apt/sources.listJul 24, 2019 at 12:25
Try this first do:
sudo nano /etc/apt/sources.list
then change everything with trusty in it to either xenial (for 16.04) or wily (for 15.10)
then do:
apt-get update;apt-get upgrade -y
and then there you go, you have a fully upgraded 15.10/16.04 system, you do need to run
apt-get autoremove --purge -y;apt-get clean
afterwards
