How can I upgrade ubuntu 8.04 to Jaunty from console?

[Daniel.Li]

On Sat, 2009-05-09 at 17:34 +0200, Vincent Trouilliez wrote:
> On Sat, 09 May 2009 23:03:44 +0800
> "Daniel.Li" <daniel_li at usish.com> wrote:
> > I have installed ubuntu 8.04 server edition, which doesn't have GUI
> > interface.
> > How can I upgrade ubuntu 8.04 to Jaunty from console?
> 
> You can't upgrade from 8.04 to 9.04, this is not supported.
> Upgrades are only supported from release to release (8.04 to 8.10, then
> 8.10 to 9.04, etc), and from an 'LTS' release to the next LTS (that is,
> from 6.06 to 8.04 which you have, then from 8.04 to the next LTS which
> may well be 10.04).

Oh,  I see. I didn't notice that it's NOT "LTS"
> 
> So you must first upgrade to 8.10, then upgrade again from 8.10 to 9.04.
> 
> If you don't have a GUI, update-manager in Jaunty is had a proper
> back-end and both a command line and GUI front-end, though I can't
> remember the name of the command line command (it's not
> 'update-manager', this is the GUI front-end).
> Also, I am not even sure that the back-end/front-end split was
> implemented back then in Ubuntu 8.04, so it's possible the command line
> interface was not yet available, in which case... huu, I don't see how
> you could upgrade ! :-/
> Well, you could still install a GUI temporarily to run the GUI
> upgrade-tool, then remove it... not great I know, but should work ! ;-)

Yeah,, I think this might be the last way to try. Keep it in mind and
still looking for other simple ways :) Thanks Vince.
> 
> Easier if you can, is probably to a fresh install of Jaunty, rather
> than upgrading.

But I have install lots of sw, like apache/mail/..... lots of things. :(

> 
> I will let other comment on the availability of the command line tool,
> with some luck it did exist in 8.04.
> 
> 
> --
> Vince
> 
-- 
Daniel