about the upgrade

[Andrea Corbellini]

On Fri, Dec 18, 2015 at 10:43 AM yankun at iscas.ac.cn <yankun at iscas.ac.cn>
wrote:

> Which utility does ubuntu use to checkout the packages which need to change when upgrade the ubuntu.
> For example，from ubuntu15.04 to ubuntu15.10,How did I know the detail
> information about the package which need to another version ?
>

The (command line) tool used for distribution upgrades is
"do-release-upgrade", which is part of
http://packages.ubuntu.com/wily/ubuntu-release-upgrader-core

do-release-upgrade in turn is a wrapper around APT, the standard
Debian/Ubuntu package manager.
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