[K12OSN] how to set up passwordless ssh access

[Krsnendu dasa]

I just logged in without a password? Not sure what changed.

Still can't log in to NX though.

On 06/07/07, Krsnendu dasa <krsnendu108 at gmail.com> wrote:
>
> I have passwordless access from K12LTSP at school to my ubuntu box at
> home. No problem.
> But I still can get passwordless access from home to school I have
> followed all the advice given and it still doesn't work????
> I have 2 k12ltsp servers in parallel, perhaps that has something to do
> with it?
>
> Anyway it is not essential.
>
> It seems in the process I have broken my nx private key settings.  At
> present I can NX log into the secondary K12LTSP server and can access my
> /home directory, but I don't have root access to the file system on the main
> box from there. I can't log in to the main server as root or as myself. It
> says it is using public key authentication. This is the message that usually
> comes if you try to connect without importing the private key. The key on
> the client and the server seem to match.
>
> What is the process for regenerating the keys? Any other suggestions for
> how to fix this problem?
>
> On 02/07/07, Micha Silver < micha at arava.co.il> wrote:
> >
> > Seth Hasani wrote:
> >
> > > On 6/15/07, Krsnendu dasa < krsnendu108 at gmail.com> wrote:
> > >> I have run ssh-keygen on my home Ubuntu computer.
> > >> Then I pasted the contents of id_rsa.pub into ~/.ssh/authorized_keys
> > >> on the K12LTSP server.
> > >>
> > >> When I ssh in it still prompts me for my password.
> > >
> > > Makes sense because your client doesnt have the server's key but your
> > > server surely does have the client's key. The client needs the
> > > server's key to connect passwordless. (and all of that permissions
> > > stuff given in this thread has to be in place as well.)
> > >
> > I believe this is incorrect. You never need to create a key pair on a
> > server, only on the client computer that needs to connect to the server.
> > >> What else do have have to do so I don't have to enter my password
> > >> every time I ssh in?
> > >
> > 1- On your client computer create a key pair using: ssh-keygen -t dsa.
> > Do *not* enter a passphrase.
> > 2- Copy the contents of the file ~/.ssh/id_dsa.pub from your client
> > computer (public half of the key) into the file ~/.ssh/authorized_keys
> > on the server. You can do this easily with scp. Or open a second
> > terminal and ssh (with password for now) into the server, then
> > copy/paste from the local file to the server using the mouse.
> > 3- Make sure permissions are correct. On the server
> > ~.ssh/authorized_keys must be read only for the user, i.e. chmod 0600
> > ~/.ssh/authorized_keys.
> > That should do it.
> >
> > Regards,
> > Micha
> >
> > --
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > Arava Development Co, Sapir, Israel
> > tel: +972(8)-6592270
> > cell: +972(52)-3665918
> >
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> >
>
>
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