howard chen wrote:
On 11/4/06, Lee <[EMAIL PROTECTED]> wrote:
You need passwordless ssh setup for the username you start the script
with.
Lee
On 11/4/06, howard chen <[EMAIL PROTECTED]> wrote:
>
> Hi
>
> Currently I have 3 servers, A, B, C
>
> 1.
>
> I unpacked Hadoop separately on three machines on the same folder
(local):
>
> /home/hadoop/
>
> 2.
>
> I follow the documentation, set up the JAVA_HOME path, and created a
> config folder, on a NFS mounted drive, move the hadoop-env.sh,
> hadoop-site.xml & slaves to this folder
>
> /data-0/hadoop_conf/
>
> 3.
>
> in the hadoop_conf/slaves, i remove the localhost, but add the 3
server's
> IP
>
> i.e.
> serverA
> serverB
> serverC
>
>
> 4.
>
> When I type (on serverA): ./start-all.sh --config /data-0/hadoop_conf/
>
> It prompt me to enter password for server A, B, C, but when I typed a
> password, I got welcome message from serverA, but I have no way to
> enter password for B & C, console stopped here...what can I do?
>
> Thanks.
>
if I my system don't allow passwordless ssh, are there any way
workaround?
"Passwordless" doesn't mean that the account in question needs to have
no password. You can use public/private key authentication, i.e. add the
master's public key to .ssh/authorized_keys file on each node.
--
Best regards,
Andrzej Bialecki <><
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