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From Mitra Kaseebhotla <mitra.kaseebho...@gmail.com>
Subject Re: problem regarding the hadoop
Date Thu, 30 Jun 2011 23:27:02 GMT
Not to divert the question here. I would like to know how we should manage
the cluster users (I am a newbie)? insead of having one user(hadoop) creds
shared?

Thanks
Mitra.

On Thu, Jun 30, 2011 at 4:23 PM, Paul Rimba <paul.rimba@gmail.com> wrote:

> sudo chown -R hadoop:hadoop /usr/local/hadoop.
> That will give the directory ownership over to your hadoop account.
>
> On Fri, Jul 1, 2011 at 5:07 AM, Dhruv Kumar <dkumar@ecs.umass.edu> wrote:
>
> > It is a permission issue. Are you sure that the account "hadoop" has read
> > and write access to /usr/local/* directories?
> >
> > The installation of Hadoop has always been effortless for me. Just follow
> > the instructions step by step given on:
> > http://hadoop.apache.org/common/docs/stable/single_node_setup.html
> >
> >
> >
> >
> > On Thu, Jun 30, 2011 at 11:08 AM, Ashish Tamrakar
> > <ashishtamrakar@gmail.com>wrote:
> >
> > > I am having a problem starting my hadoop. i setup my for my single-node
> > > cluster. please help me to solve this out!!!!
> > >
> > > hadoop@ashishpc:~$ /usr/local/hadoop/bin/start-all.sh
> > > starting namenode, logging to
> > > /usr/local/hadoop/bin/../logs/hadoop-hadoop-namenode-ashishpc.out
> > > /usr/local/hadoop/bin/hadoop-daemon.sh: line 117:
> > > /usr/local/hadoop/bin/../logs/hadoop-hadoop-namenode-ashishpc.out:
> > > Permission denied
> > > head: cannot open
> > > `/usr/local/hadoop/bin/../logs/hadoop-hadoop-namenode-ashishpc.out' for
> > > reading: No such file or directory
> > > localhost: starting datanode, logging to
> > > /usr/local/hadoop/bin/../logs/hadoop-hadoop-datanode-ashishpc.out
> > > localhost: /usr/local/hadoop/bin/hadoop-daemon.sh: line 117:
> > > /usr/local/hadoop/bin/../logs/hadoop-hadoop-datanode-ashishpc.out:
> > > Permission denied
> > > localhost: head: cannot open
> > > `/usr/local/hadoop/bin/../logs/hadoop-hadoop-datanode-ashishpc.out' for
> > > reading: No such file or directory
> > > localhost: starting secondarynamenode, logging to
> > >
> >
> /usr/local/hadoop/bin/../logs/hadoop-hadoop-secondarynamenode-ashishpc.out
> > > localhost: /usr/local/hadoop/bin/hadoop-daemon.sh: line 117:
> > >
> >
> /usr/local/hadoop/bin/../logs/hadoop-hadoop-secondarynamenode-ashishpc.out:
> > > Permission denied
> > > localhost: head: cannot open
> > >
> > >
> >
> `/usr/local/hadoop/bin/../logs/hadoop-hadoop-secondarynamenode-ashishpc.out'
> > > for reading: No such file or directory
> > > starting jobtracker, logging to
> > > /usr/local/hadoop/bin/../logs/hadoop-hadoop-jobtracker-ashishpc.out
> > > /usr/local/hadoop/bin/hadoop-daemon.sh: line 117:
> > > /usr/local/hadoop/bin/../logs/hadoop-hadoop-jobtracker-ashishpc.out:
> > > Permission denied
> > > head: cannot open
> > > `/usr/local/hadoop/bin/../logs/hadoop-hadoop-jobtracker-ashishpc.out'
> for
> > > reading: No such file or directory
> > > localhost: starting tasktracker, logging to
> > > /usr/local/hadoop/bin/../logs/hadoop-hadoop-tasktracker-ashishpc.out
> > > localhost: /usr/local/hadoop/bin/hadoop-daemon.sh: line 117:
> > > /usr/local/hadoop/bin/../logs/hadoop-hadoop-tasktracker-ashishpc.out:
> > > Permission denied
> > > localhost: head: cannot open
> > > `/usr/local/hadoop/bin/../logs/hadoop-hadoop-tasktracker-ashishpc.out'
> > for
> > > reading: No such file or directory
> > >
> >
>



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