Quoting Ric Moore (wayward4now@gmail.com):
[...]
To recommend this [upgrading] to a new user, might not be a good
idea. I've been at it since the days of Slackware install via a pile
of floppies. As noted previously, there will be a proper upgrade
installer released when Jessie is officially stable. That would be
far better.
Now this might be a slip of the pen, but what is the "proper upgrade
installer"? Is it different from apt-get dist-upgrade?
[*snip*]
I've upgraded all my machines to jessie or sid (one from squeeze, via
wheezy of course), except for my "server", the one that archives
everything. I find it helps to have two root partitions, one
containing the previous distribution as a fallback. It means you can
jog your memory as to how things were done before, and acts as a
backup of your old configuration.
[snip]