[BlueOnyx:23744] Re: Easy Migrate

[Larry Smith]

On Wed March 11 2020 10:38, Richard Sidlin wrote:
> > On Wed March 11 2020 10:01, Richard Sidlin wrote:
> > > > >> I ran the command and got this output:
> > > > >>
> > > > >> [root at mk-linux-03 ~]# ssh-keygen
> > > > >> Generating public/private rsa key pair.
> > > > >> Enter file in which to save the key (/root/.ssh/id_rsa):
> > > > >> Enter passphrase (empty for no passphrase):
> > > > >> Enter same passphrase again:
> > > > >> Your identification has been saved in /root/.ssh/id_rsa.
> > > > >> Your public key has been saved in /root/.ssh/id_rsa.pub.BUR Etc
> > > > >>
> > > > >> BUT - still getting this. I have rebooted both servers.
> > > > >>
> > > > >> [root at web ~]# ssh-copy-id root at 192.168.200.45
> > > > >> /usr/bin/ssh-copy-id: ERROR: No identities found
> > > > >>
> > > > >> Any other thoughts?
> > > >
> > > > By the looks of your prompts you are doing the "ssh-keygen" and the
> > > > "ssh- copy-id" on different servers. You need to do both commands as
> > > > root on the server that is the target for easy migrate.
> > > >
> > > > Kind regards
> > > > Maurice
> > >
> > > OK, so I don't quite understand that. The new (target) server is web
> > > and the source server is mk-linux-03.
> > >
> > > I ran:
> > >
> > > ssh-copy-id root at 192.168.200.45 on the target server. Got the no
> > > identities found error (192.168.200.45 being mk-linux-03)
> > >
> > > Ran this on the source server.
> > >
> > > [root at mk-linux-03 ~]# ssh-keygen
> > > Generating public/private rsa key pair.
> > > Enter file in which to save the key (/root/.ssh/id_rsa): ssh1103 Enter
> > > passphrase (empty for no passphrase):
> > > Enter same passphrase again:
> > > Your identification has been saved in ssh1103.
> > > Your public key has been saved in ssh1103.pub.
> > >
> > > But you say that I should have run this on the target server? What
> > > command should I use in that case?
> > >
> > > Sorry about this, not too proficient in this!
> >
> > Richard,
> >
> >   Believe if you are actually storing the identify file undere a
> > different name than the default (your example above shows ssh1103.pub)
> > then you need to specify the name of the identity file when you run the
> > ssh-copy-id command with the -i <identity_file_name>.
> >
> > --
> > Larry Smith
> > lesmith at ecsis.net
>
> OK, so I ran this command and got this response on the target server:
>
> [root at web ~]# ssh-copy-id -i /root/ssh1103.pub root at 192.168.200.45
> /usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed:
> "/root/ssh1103.pub" /usr/bin/ssh-copy-id: INFO: attempting to log in with
> the new key(s), to filter out any that are already installed
> /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are
> prompted now it is to install the new keys root at 192.168.200.45's password:
>
> Number of key(s) added: 1
>
> Now try logging into the machine, with:   "ssh 'root at 192.168.200.45'"
> and check to make sure that only the key(s) you wanted were added.
>
> BUT, when I run this command, I'm still prompted for a password:
>
> [root at web ~]# ssh root at 192.168.200.45
> root at 192.168.200.45's password:
>
> Sorry about this guys!
>
>
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Richard,

  Hmmm, that means the keys you installed (copied) are not the keys
that the server is actually using for ssh.  You have to use the "real"
ssh keys that the server is using for this to work.

-- 
Larry Smith
lesmith at ecsis.net