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I am installing Hadoop on my laptop. SSH works fine, but I cannot start hadoop. munichong@GrindPad:~$ ssh localhost Welcome to Ubuntu 12.10 (GNU/Linux 3.5.0-25-generic x86_64) * Documentation: https://help.ubuntu.com/ 0 packages can be updated. 0 updates are security updates. Last login: Mon Mar 4 00:01:36 2013 from localhost munichong@GrindPad:~$ /usr/sbin/start-dfs.sh chown: changing ownership of `/var/log/hadoop/root': Operation not permitted starting namenode, logging to /var/log/hadoop/root/hadoop-munichong-namenode-GrindPad.out /usr/sbin/hadoop-daemon.sh: line 136: /var/run/hadoop/hadoop-munichong-namenode.pid: Permission denied usr/sbin/hadoop-daemon.sh: line 135: /var/log/hadoop/root/hadoop-munichong-namenode-GrindPad.out: Permission denied head: cannot open `/var/log/hadoop/root/hadoop-munichong-namenode-GrindPad.out' for reading: No such file or directory localhost: chown: changing ownership of `/var/log/hadoop/root': Operation not permitted localhost: starting datanode, logging to /var/log/hadoop/root/hadoop-munichong-datanode-GrindPad.out localhost: /usr/sbin/hadoop-daemon.sh: line 135: /var/log/hadoop/root/hadoop-munichong-datanode-GrindPad.out: Permission denied localhost: /usr/sbin/hadoop-daemon.sh: line 136: /var/run/hadoop/hadoop-munichong-datanode.pid: Permission denied localhost: head: cannot open `/var/log/hadoop/root/hadoop-munichong-datanode-GrindPad.out' for reading: No such file or directory localhost: chown: changing ownership of `/var/log/hadoop/root': Operation not permitted localhost: starting secondarynamenode, logging to /var/log/hadoop/root/hadoop-munichong-secondarynamenode-GrindPad.out localhost: /usr/sbin/hadoop-daemon.sh: line 136: /var/run/hadoop/hadoop-munichong-secondarynamenode.pid: Permission denied localhost: /usr/sbin/hadoop-daemon.sh: line 135: /var/log/hadoop/root/hadoop-munichong-secondarynamenode-GrindPad.out: Permission denied localhost: head: cannot open `/var/log/hadoop/root/hadoop-munichong

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