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Date: Fri, 3 Jul 2009 16:00:13 +0200
Message-ID: <32120a6a0907030700i12876a6dld5a6b6b3c76b30f9@mail.gmail.com>
Subject: Re: Tools to help administer a cluster?
From: tim robertson <timrobertson100@gmail.com>
To: general@hadoop.apache.org
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Thanks both.  I'll brush up on my scripting skills ;o)


On Fri, Jul 3, 2009 at 2:08 PM, Bogdan M.
Maryniuk<bogdan.maryniuk@gmail.com> wrote:
> On Fri, Jul 3, 2009 at 6:06 PM, tim robertson<timrobertson100@gmail.com> =
wrote:
>> I am looking for something that allows easy ability to copy over a new
>> Hadoop distribution and sync all the config files etc. =A0I'm not very
>> good at system admin, so hoping there is are some tools to help speed
>> things up.
>
> HINT: Password-less here SSH is not just because Doug wanted so. :)
> /bin/bash with SSH/scp are your very opensource friends, e.g.:
>
> for hostname in `cat $HADOOP/slaves`;
> do
> =A0 echo "Doing stuff on $hostname";
> =A0 scp /local/file.txt $hostname:/path/on/remote/host/;
> =A0 ssh $hostname cat /path/on/remote/host/file.txt;
> done
>
>
> P.S. Make sure "slaves" does not contains local host's IP. :-)
>
> --
> HTH, BM
>
> Things, that are stupid at the beginning, rarely ends up wisely.
>