keeping the old public key (id_rsa.pub) when upgrading Fedora
Mark Ryden
markryde at gmail.com
Sat Oct 10 09:52:52 UTC 2009
Hello,
I have several fedora machines which I upgrade/reinstall, from time to time.
I do this by reinstalling Fedora (I know that there is an upgrade
option for Fedora but I prefer to reinstall).
When doing so, the /root/.ssh folder is of course deleted.
Now, on some of these machine, I have a public key which is installed
on several servers to enable me
ssh access to these machines without typing the password.
The public key is generated thus:
ssh-keygen -t rsa
And it generates 2 files:
id_rsa and id_rsa.pub
And I paste the contents of id_rsa.pub to the server
/root./ssh/authorized_keys (or /root./ssh/authorized_keys2).
Any idea if there is a way to keep the id_rsa.pub when reinstalling Fedora ?
(If I try ssh-keygen -t rsa after reinstall, I am unable to ssh to
these servers.)
Regards,
Mark
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