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Hadoop, mail # user - openssh - can't achieve passphraseless ssh


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Re: openssh - can't achieve passphraseless ssh
Aaron Kimball 2009-10-22, 04:27
Another sneaky permissions requirement is that ~/.ssh/ itself must be mode
0750 or more strict.

- Aaron

On Wed, Oct 21, 2009 at 2:47 PM, Edward Capriolo <[EMAIL PROTECTED]>wrote:

> On Wed, Oct 21, 2009 at 5:39 PM, Dennis DiMaria
> <[EMAIL PROTECTED]> wrote:
> > I just downloaded and installed hadoop ver 0.200.1 and cygwin 1.5.25-15
> > and installed them (Windows XP.) I'm having trouble with ssh. When I
> > enter "ssh localhost" I'm prompted for a password. I can enter it and I
> > can log in successfully. So I ran these two commands:
> >
> >
> >
> > $ ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa
> > $ cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
> >
> >
> >
> > But I'm still prompted for a password. Did I miss something when
> > configuring ssh? The files created in .ssh look ok.
> >
> >
> >
> > Btw, I am able to run one of the example hadoop applications in
> > Standalone mode and it works.
> >
> >
> >
> > I'm following the instructions in:
> >
> >
> >
> > http://hadoop.apache.org/common/docs/current/quickstart.html#Local
> >
> >
> >
> > Thanks.
> >
> >
> >
> > -Dennis
> >
> >
> More then likely this is the permissions of the authorized keys file.
> Make sure:
> chmod 600 ~/.ssh/authorized_keys
> Make sure:
> file is owned by proper user
> Make sure:
> drwx------    .ssh
> You can tune up the verbosity of your ssh server to troubleshoot this more.
>
> There are lots of ssh key tutorials out there. Good hunting.
>