Can upgrade a DFly using the ISO image?

[Stefan Unterweger]

What you -can- do though is to build world and kernel on some other
machine and rsync /usr/src and /usr/obj/usr to the target machine.  You
can then ‚make installkernel‘, ‚make installworld‘ and ‚make upgrade‘
without having to actually build anything there.

This is also handy if you have to upgrade several machines in a row;
compiling kernel and world on each of them is just a waste of time and
energy.

* Matthew Dillon on Sat, Apr 15, 2017 at 02:14:56PM -0700:
> I don't think we have an automated facility to do that.  You can always do
> it manually, but the preferred method is to build and install from sources.
> 
> -Matt
> 
> On Thu, Apr 13, 2017 at 10:31 PM, Aaron LI <aaronly.me at outlook.com> wrote:
> 
> > Hello DFlyers,
> >
> > I just ordered and started a small VPS on LiteServer.nl [0], and installed
> > the DragonFly BSD (version 4.6) using the ISO image their provided,
> > since it is not allowed to install the OS from a ISO image URL.
> >
> > Can I upgrade the installed DFly using the built ISO image (e.g., 4.8
> > release), without building from source and then install/upgrade?
> > In other words, can I mount the ISO image somewhere, and upgrade an
> > existing DFly system by installing from there?
> >
> > If I remember correctly, the FreeBSD installer provides an option to
> > upgrade the existing installation.
> >
> > The reason for me to avoid upgrading by building from source, is the
> > limited resource of my VPS, only 256MB RAM, to save money :).
> >
> > [0] https://www.liteserver.nl/
> >
> >
> > Cheers!
> > --
> > Aly
> >

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