[Bug 989018] Re: Update Manager does not offer 10.04 -> 12.04 upgrade

[Brian Murray]

On Fri, Apr 27, 2012 at 10:11:13AM -0000, Daniel Grund wrote:
> I found the following that may help people that arrived here at this
> "bug":
> 
> https://wiki.ubuntu.com/PrecisePangolin/ReleaseNotes/UbuntuDesktop#Upgrading_from_Ubuntu_10.04_LTS_to_Ubuntu_12.04_LTS
> 
> This, however, immediately triggers the following questions:
> 
> Starting from 10.04, will "update-manager -d" install the same thing as
> a fresh install of 12.04?

No, this will upgrade your existing system from 10.04 to 12.04.  So if
you have mediatomb installed on your 10.04 system it will still be
installed on your 12.04 system.  A fresh install would not have your
existing packages and config files available.

> Will the system then be on a devel release branch? Or will it stay on
> the stable release branch? Do such things exist? How to switch between
> them?

It will stay at 12.04 which is a stable release of Ubuntu.  The reason
the upgrade isn't presented now is that we are making the assumption
that people who are running 10.04 still are conservative about upgrading
(which seems reasonable) and would want to upgrade when 12.04 is even
more stable … like at the 12.04.1 point release.

> What's the difference between "update-manager -d" and "do-release-
> upgrade -d"?

Effectively nothing, one has a gui and one does not.

--
Brian Murray
Ubuntu Bug Master

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https://bugs.launchpad.net/bugs/989018

Title:
  Update Manager does not offer 10.04 -> 12.04 upgrade

Status in “update-manager” package in Ubuntu:
  Invalid

Bug description:
  The 12.04 release notes today suggest that it should be possible to
  upgrade from 10.04 to 12.04 desktop version by selecting "Long term
  support releases only" under "Show new distribution releases:" in
  Update Manager and refreshing the package information. However, no
  button offering to launch the upgrade process appears.

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