Re: Manual upgrade using base.txz

From: Frank Leonhardt <freebsd-doc_at_fjl.co.uk>
Date: Thu, 26 Sep 2024 14:37:47 UTC
On 2024-09-17 15:54, Dave Cottlehuber wrote:
> On Tue, 17 Sep 2024, at 11:29, Frank Leonhardt wrote:
>> Assuming you know what you're doing with configuration files /etc/,
>> what would happen if you booted from a CD and simply unpacked base.txz
>> over the current configuration? Let's assume it's on ZFS or UFS2.
> 
> Yes, I do this frequently, so much that I wrote it down. It works
> best with zfs and a clean boot environment.
> 
> https://people.freebsd.org/~dch/posts/2021-02-23-sideloading-freebsd/
> 
> it's clearly very mad scientist experimental, expect some breakage
> as you merge various things. This guide was targeted at zfs, because
> boot environments are incredible at reducing the pain.
> 
> Don't forget to keep your EFI partition / boot blocks up to date.
> And something about backups, testing them.

Thanks Dave. It shows I'm on the right lines. As I asked Clouds... have 
you any idea how far back this might work? Like dumping 14 on a 
ten-year-old AMD64 install? I can, of course, copy the drives and 
experiment if no one else has.

-- 
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25-Nov-24 My apologies to everyone who I appear to have ignored for the 
last few years. A procmail script was misfiling some replies to 
Questions to the wrong folder.