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For upgrading a release (e.g. from Quantal to Raring), apt-get dist-upgrade does work. I wonder what happens if simply changing the repository (e.g. from Quantal to Raring) then utilizing normal apt-get update and apt-get upgrade?


deb http://us.archive.ubuntu.com/ubuntu/ quantal main
deb-src http://us.archive.ubuntu.com/ubuntu/ quantal main


deb http://us.archive.ubuntu.com/ubuntu/ raring main
deb-src http://us.archive.ubuntu.com/ubuntu/ raring main


apt-get update && apt-get upgrade

Can this method actually upgrade to the latest release of ubuntu?

I am curious what happens by this approach.

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1 Answer 1

upgrade refuses add or remove packages, even if they are required by or conflict with new versions of packages to be upgraded, thus, you must use dist-upgrade or you will end up with a partially upgraded system.

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