RE: sftp partner has new public key -- MIDRANGE-L

If they have given you the key, you can just add it to the batch user's
.ssh/known_hosts by editing the file (or making a copy, editing that, and
replacing the old one with the edited copy). You can also use ssh-keyscan
to get the remote system's key automatically.

eg. if you want to blindly trust the server's keys:

ssh-keyscan remote-system.example.com >> ~user2/.ssh/known_hosts

----- Original message -----
From: "midrange" <franz9000@xxxxxxxxx>
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxxxxxxxx>
To: "'Midrange Systems Technical Discussion'"
<midrange-l@xxxxxxxxxxxxxxxxxx>
Cc:
Subject: RE: sftp partner has new public key
Date: Sat, Feb 23, 2019 3:44 PM

It's a Host key they sent out to all partners.

I see the command to remove previous key.
Don't I need a command to store the new key?

This sftp is embedded within a large batch process - I could (if need
to) piece together the script to do it interactively.

Jim

-----Original Message-----
From: MIDRANGE-L [[1]mailto:midrange-l-bounces@xxxxxxxxxxxxxxxxxx] On
Behalf Of Kevin Adler
Sent: Saturday, February 23, 2019 4:31 PM
To: midrange-l@xxxxxxxxxxxxxxxxxx
Subject: Re: sftp partner has new public key

   What type of key is it? Host key or user key?

   If it's a host key (you're connecting to them), you can use the
following
   command to remove their entries from the current user's known_hosts
file:

   ssh-keygen -R remote-hostname.example.com

   Once that is done, the next time you connect it will ask you to
validate
   the remote key.


   If it's a user key (they're connecting to you), they (or you) will
need to
   add their public key to the remote user's authorized_keys file. ie
   $HOME/.ssh/authorized_keys

   It's merely a copy/paste operation, however there are caveats: it
must be
   done in ASCII mode *and* must have Unix line endings.


   ----- Original message -----
   From: "midrange" <franz9000@xxxxxxxxx>
   Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxxxxxxxx>
   To: <midrange-l@xxxxxxxxxxxxxxxxxx>
   Cc:
   Subject: sftp partner has new public key
   Date: Sat, Feb 23, 2019 3:17 PM

   Set up sftp years ago with public/private key authentication.

   Partner has new public key.

   When I read various IBM docs, it only seems to start from scratch.

   Is there a command (Pase I assume) to just update a partner's
public
   key?

   V7R3

   Jim

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