Hmm -- That is strange. Can you paste the command you are using to launch the instances ? The typical workflow is to use the spark-ec2 wrapper script using the guidelines at http://spark.apache.org/docs/latest/ec2-scripts.html
Shivaram On Mon, Apr 7, 2014 at 1:53 PM, Marco Costantini < silvio.costant...@granatads.com> wrote: > Hi Shivaram, > > OK so let's assume the script CANNOT take a different user and that it > must be 'root'. The typical workaround is as you said, allow the ssh with > the root user. Now, don't laugh, but, this worked last Friday, but today > (Monday) it no longer works. :D Why? ... > > ...It seems that NOW, when you launch a 'paravirtual' ami, the root user's > 'authorized_keys' file is always overwritten. This means the workaround > doesn't work anymore! I would LOVE for someone to verify this. > > Just to point out, I am trying to make this work with a paravirtual > instance and not an HVM instance. > > Please and thanks, > Marco. > > > On Mon, Apr 7, 2014 at 4:40 PM, Shivaram Venkataraman < > shivaram.venkatara...@gmail.com> wrote: > >> Right now the spark-ec2 scripts assume that you have root access and a >> lot of internal scripts assume have the user's home directory hard coded as >> /root. However all the Spark AMIs we build should have root ssh access -- >> Do you find this not to be the case ? >> >> You can also enable root ssh access in a vanilla AMI by editing >> /etc/ssh/sshd_config and setting "PermitRootLogin" to yes >> >> Thanks >> Shivaram >> >> >> >> On Mon, Apr 7, 2014 at 11:14 AM, Marco Costantini < >> silvio.costant...@granatads.com> wrote: >> >>> Hi all, >>> On the old Amazon Linux EC2 images, the user 'root' was enabled for ssh. >>> Also, it is the default user for the Spark-EC2 script. >>> >>> Currently, the Amazon Linux images have an 'ec2-user' set up for ssh >>> instead of 'root'. >>> >>> I can see that the Spark-EC2 script allows you to specify which user to >>> log in with, but even when I change this, the script fails for various >>> reasons. And the output SEEMS that the script is still based on the >>> specified user's home directory being '/root'. >>> >>> Am I using this script wrong? >>> Has anyone had success with this 'ec2-user' user? >>> Any ideas? >>> >>> Please and thank you, >>> Marco. >>> >> >> >
