hadoop on ubuntu 10.04
 

Dear all,
I have an error ehen I try to install Hadoop-1.0.3 on ubuntu 10.04

I wrote:
cd /usr/local
then
tahani@ubuntu:/usr/local$ sudo tar xzf hadoop-1.0.3.tar.gz

the error:

tar: hadoop-1.0.3.tar.gz: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
tar: Child returned status 2
tar: Exiting with failure status due to previous errors

what i can do to fix this problem??

Hi where did you download the tarball to?
Have you looked in /home/user/Downloads

Also it is better to untar as user not root

Dear spiky0011;
What do you mean about "untar as user not root"
and also when I follow home/user/download.. i do not have this directory

so what can I do?

$HOME/Downloads is probably not /home/user/Downloads ,
but /home/<user-name>/Downloads/ , like : /home/tahani/Downloads/


And : root is for administrative tasks only.
It is not recommended to work as root, unless absolute necessary.
And : The default build directory is e.g. /home/tahani/tmp/


Building in /home/tahani/tmp/, the commands would be :
1) cd tmp/
2) tar xvf ../Downloads/hadoop-1.0.3.tar.gz


.

starting single node cluster
 

Dear;
Thanks for reply I fixed the previous error.


I have another error when I starting a single node cluster on Hadoop..

hduser@ubuntu:/home/tahani$ hadoop/bin/start-all.sh
namenode running as process 3738. Stop it first.
localhost: ssh: connect to host localhost port 22: Connection refused
localhost: ssh: connect to host localhost port 22: Connection refused
jobtracker running as process 3879. Stop it first.
localhost: ssh: connect to host localhost port 22: Connection refused

how I can fix it??