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Groups > comp.os.linux.misc > #92970
| From | "Carlos E. R." <robin_listas@es.invalid> |
|---|---|
| Newsgroups | comp.os.linux.misc |
| Subject | Re: Another ssh quirk... |
| Date | 2026-10-05 21:46 +0200 |
| Message-ID | <niid3rFjb1jU3@mid.individual.net> (permalink) |
| References | <11a05ig$2pnll$1@news.xmission.com> <wwvo6d8osfl.fsf@LkoBDZeT.terraraq.uk> |
On 2026-10-05 21:31, Richard Kettlewell wrote:
> gazelle@shell.xmission.com (Kenny McCormack) writes:
>> Yes, I enjoy writing about these weird quirks that I find in the ssh tools
>> (including rsync). I find it amusing that ssh (and friends) - a tool we
>> all use daily and rely on heavily - is still stuck, design-wise, in the
>> 1980s.
>>
>> So, I recently started running a new/different version of RaspiOS on
>> one of my Pis. Same hostname, same hardware, same Mac Address, thus
>> same IP from the router, but new OS build.
>>
>> So, I find that when I ssh into this machine (call it "zebra" for the
>> sake of discussion) from each of the other machines on the LAN, the
>> first time, it generates a screenful of errors/warnings about "man in
>> the middle" attacks and so on. Yes, I know why it does this and, no,
>> I don't want to disable "strict host checking"; I just think there
>> should be a simpler way to handle this than the method described
>> below.
>
> Someone already mentioned ssh-keygen -r; other options:
>
> - copy the old keys to the new install (if they’re not obsolete; if you
> try this with DSA-1024 or something it isn’t likely to work).
> - upgrade in place rather than reinstalling.
The old YaST installer in openSUSE could install the distro on top of an
existing install, and it automatically migrated some things, like user's
passwords and ssh keys. It asked first.
--
Cheers,
Carlos E.R.
ES🇪🇸, EU🇪🇺.
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Another ssh quirk... gazelle@shell.xmission.com (Kenny McCormack) - 2026-10-05 12:35 +0000
Re: Another ssh quirk... Philippe <p.naudin+nntp@free.fr> - 2026-10-05 15:26 +0200
Re: Another ssh quirk... gazelle@shell.xmission.com (Kenny McCormack) - 2026-10-05 13:41 +0000
Re: Another ssh quirk... John Bokma <contact@johnbokma.com> - 2026-10-05 19:09 +0200
Re: Another ssh quirk... "Carlos E. R." <robin_listas@es.invalid> - 2026-10-05 15:40 +0200
Re: Another ssh quirk... gazelle@shell.xmission.com (Kenny McCormack) - 2026-10-05 13:45 +0000
Re: Another ssh quirk... Richard Kettlewell <invalid@invalid.invalid> - 2026-10-05 20:31 +0100
Re: Another ssh quirk... "Carlos E. R." <robin_listas@es.invalid> - 2026-10-05 21:46 +0200
Re: Another ssh quirk... not@telling.you.invalid (Computer Nerd Kev) - 2026-10-06 09:21 +1000
Re: Another ssh quirk... "Carlos E. R." <robin_listas@es.invalid> - 2026-10-06 01:55 +0200
Re: Another ssh quirk... Computer Nerd Kev <not@telling.you.invalid> - 2026-10-06 14:07 +1000
Re: Another ssh quirk... "Carlos E. R." <robin_listas@es.invalid> - 2026-10-06 11:17 +0200
Re: Another ssh quirk... not@telling.you.invalid (Computer Nerd Kev) - 2026-10-07 07:55 +1000
Re: Another ssh quirk... c186282 <c186282@nnada.net> - 2026-10-07 00:41 -0400
Re: Another ssh quirk... Richard Kettlewell <invalid@invalid.invalid> - 2026-10-07 08:47 +0100
Re: Another ssh quirk... "Carlos E. R." <robin_listas@es.invalid> - 2026-10-07 12:02 +0200
Re: Another ssh quirk... c186282 <c186282@nnada.net> - 2026-10-07 21:32 -0400
Re: Another ssh quirk... Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-10-08 20:08 +0000
Re: Another ssh quirk... Rich <rich@example.invalid> - 2026-10-07 15:33 +0000
Re: Another ssh quirk... The Natural Philosopher <tnp@invalid.invalid> - 2026-10-06 08:51 +0100
Re: Another ssh quirk... The Natural Philosopher <tnp@invalid.invalid> - 2026-10-06 08:51 +0100
Re: Another ssh quirk... "Carlos E. R." <robin_listas@es.invalid> - 2026-10-06 11:20 +0200
Re: Another ssh quirk... not@telling.you.invalid (Computer Nerd Kev) - 2026-10-07 08:09 +1000
Re: Another ssh quirk... Andy Burns <usenet@andyburns.uk> - 2026-10-06 09:27 +0100
Re: Another ssh quirk... The Natural Philosopher <tnp@invalid.invalid> - 2026-10-06 11:08 +0100
Re: Another ssh quirk... c186282 <c186282@nnada.net> - 2026-10-06 23:53 -0400
Re: Another ssh quirk... gazelle@shell.xmission.com (Kenny McCormack) - 2026-10-06 11:09 +0000
Re: Another ssh quirk... Nuno Silva <nunojsilva@invalid.invalid> - 2026-10-07 11:08 +0100
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