[sf-lug] upgrade Ubuntu 12.04.x --> 14.04.x

Michael Paoli Michael.Paoli at cal.berkeley.edu
Mon Jul 27 20:38:05 PDT 2015

Yes, good point ... the "Ubuntu" way of having one's
/etc/apt/sources.list file updated.
Once it's been suitably pointed to the desired
version (14.04.x via Software Updater or the like in/for configuration),
should be relatively straight-forward from there ... presuming one has
sufficiently fast Internet connection (otherwise still straight-forward,
but just lots slower and longer).

With DVD/ISO can probably, like Debian, use apt-cdrom, so it will know
about the available ISO image, and not download from Internet what it
can retrieve from optical drive.  But should still get additional updates
(e.g. security updates, critical bug fixes) from The Internet, to cover
what's not yet made it to released DVD ISO.

> From: "Daniel Gimpelevich" <daniel at gimpelevich.san-francisco.ca.us>
> Subject: Re: [sf-lug] SF-LUG Meeting on Sunday August 2, 2015 and  
> report of meeting of 2015-07-20
> Date: Mon, 27 Jul 2015 20:00:53 -0700

> On Mon, 2015-07-27 at 19:45 -0700, Bobbie Sellers wrote:
>> Maybe someone who uses Ubuntu installing it frequently could chime in
>> here and fill us in on the plausibility of using a Ubuntu install
>> script with prepared partitions.
> In the past, there were "desktop" discs and "alternate" discs, and if
> you simply inserted the "alternate" disc of a newer version, it would
> ask whether you wanted to upgrade to it. However, the "alternate" images
> have been discontinued. I am not sure what the recommended way to
> upgrade from a disc is now. Personally, I just upgrade from Software
> Updater, which downloads everything on an as-needed basis.

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