[Ubuntu Oregon] Ubuntu Hour

[Robin Haberman]

It's in the text I am following for an Hadoop platform.

On Thu, Dec 13, 2012 at 6:53 PM, Ronald Chmara <ronabop at gmail.com> wrote:
> Try ssh - vvv? That should give a bunch more data...
>
> On Dec 13, 2012 6:42 PM, "Robin Haberman" <robin.haberman at gmail.com> wrote:
>>
>>    I need some feedback from the group.   By the way I have gone to
>> the Ubuntu and Internet forums and found answers all over the place
>> about this problem.
>>
>>    One of the sub-projects I am working on is to set up a Hadoop
>> testbed  (single-node cluster) on Ubuntu 11.10 (just a stripped down
>> 32 bit P5 loaded with hard drives).  I am working from a paper by
>> Michael G. Noll, dated August 5, 2007 (last updated: June 29, 2012) .
>> The part where I am having problems is to get the SSH set up by
>> connecting to the local machine with the hduser user.  I keep getting
>> the following message:
>>
>> no4 at no4-PCV-RX550-UC:~$ ssh localhost
>> ssh: connect to host localhost port 22: Connection refused
>> no4 at no4-PCV-RX550-UC:~$
>>
>>    I have run through a number of steps to make sure I have both the
>> ssh server and client loaded, reloaded – working and running.  But I
>> still run into the same error message.  What am I missing?
>>
>> Any help would be appreciated.
>> Thanks, Robin
>>
>> CLI output listed below
>>
>>
>> no4 at no4-PCV-RX550-UC:~$ sudo service ssh status
>> ssh start/running, process 24048
>>
>>
>> no4 at no4-PCV-RX550-UC:~$ dpkg -l | grep ssh
>> ii  openssh-client                         1:5.8p1-7ubuntu1
>>                  secure shell (SSH) client, for secure access to
>> remote machines
>> ii  openssh-server                         1:5.8p1-7ubuntu1
>>                  secure shell (SSH) server, for secure access from
>> remote machines
>> ii  ssh                                    1:5.8p1-7ubuntu1
>>                  secure shell client and server (metapackage)
>> ii  ssh-askpass-gnome                      1:5.8p1-7ubuntu1
>>                  interactive X program to prompt users for a
>> passphrase for ssh-add
>> ii  ssh-import-id                          2.5-0ubuntu2
>>                  securely retrieve an SSH public key and install it
>> locally
>>
>>
>> no4 at no4-PCV-RX550-UC:~$ sudo iptables -L | grep ssh
>> ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:ssh
>> ACCEPT     udp  --  anywhere             anywhere            udp dpt:ssh
>> ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:ssh
>> ACCEPT     udp  --  anywhere             anywhere            udp dpt:ssh
>>
>>
>> no4 at no4-PCV-RX550-UC:~$ sudo netstat -anp | grep sshd
>> tcp        0      0 0.0.0.0:2222            0.0.0.0:*
>> LISTEN      24048/sshd
>> tcp6       0      0 :::2222                 :::*
>> LISTEN      24048/sshd
>>
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