Well i am trying to configure a single node cluster hadoop.Now i have created a user hadoop alonside and i have installed hadoop in my usr/local/hadoop directory.
Then i have done the following commands
chown hadoop:hadoop hadoop hadoop-1.0.4
ln -s hadoop-1.04/ hadoop.
as a result when i do ls -l it shows the following
drwxr-xr-x 2 root root 4096 Jun 16 2012 bin
drwxr-xr-x 2 root root 4096 Jun 16 2012 etc
drwxr-xr-x 2 root root 4096 Jun 16 2012 games
lrwxrwxrwx 1 root root 13 Apr 16 13:20 hadoop -> hadoop-1.0.4/
drwxr-xr-x 13 hadoop hadoop 4096 Oct 3 2012 hadoop-1.0.4
drwxr-xr-x 2 root root 4096 Jun 16 2012 include
drwxr-xr-x 3 root root 4096 Jun 16 2012 lib
lrwxrwxrwx 1 root root 9 Aug 22 2012 man -> share/man
drwxr-xr-x 2 root root 4096 Jun 16 2012 sbin
drwxr-xr-x 6 root root 4096 Jun 16 2012 share
drwxr-xr-x 2 root root 4096 Jun 16 2012 src
so hadoop 1.0.4 has hadoop as usergroup.
Now when i am entring my hadoop group using
su -hadoop
so i can change my conf/hadoop-env.sh file but it is not happening
hadoop@iu1:/usr/local$ vi conf/hadoop-env.sh
the file opens in readonly mode
i think it should be editable mode
Please help
Thanks
You need to chown recursively:
chown -R hadoop:hadoop hadoop hadoop-1.0.4
To verify file permissions do
ls -l /usr/local/hadoop/conf/