So, did debug verbosity (-vvv) or specifying a port (-p 2222) help any to understand the problem?<div class="gmail_extra"> <div class="gmail_quote">On Thu, Dec 13, 2012 at 7:13 PM, Robin Haberman <<a href="mailto:robin.haberman@gmail.com" target="_blank">robin.haberman@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">It's in the text I am following for an Hadoop platform. <div class="HOEnZb"><div class="h5"> On Thu, Dec 13, 2012 at 6:53 PM, Ronald Chmara <<a href="mailto:ronabop@gmail.com">ronabop@gmail.com</a>> wrote: > Try ssh - vvv? That should give a bunch more data... > > On Dec 13, 2012 6:42 PM, "Robin Haberman" <<a href="mailto:robin.haberman@gmail.com">robin.haberman@gmail.com</a>> 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@no4-PCV-RX550-UC:~$ ssh localhost >> ssh: connect to host localhost port 22: Connection refused >> no4@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@no4-PCV-RX550-UC:~$ sudo service ssh status >> ssh start/running, process 24048 >> >> >> no4@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@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@no4-PCV-RX550-UC:~$ sudo netstat -anp | grep sshd >> tcp 0 0 <a href="http://0.0.0.0:2222" target="_blank">0.0.0.0:2222</a> 0.0.0.0:* >> LISTEN 24048/sshd >> tcp6 0 0 :::2222 :::* >> LISTEN 24048/sshd >> >> -- >> Ubuntu-us-or mailing list >> <a href="mailto:Ubuntu-us-or@lists.ubuntu.com">Ubuntu-us-or@lists.ubuntu.com</a> >> Modify settings or unsubscribe at: >> <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-us-or" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-us-or</a> > > > -- > Ubuntu-us-or mailing list > <a href="mailto:Ubuntu-us-or@lists.ubuntu.com">Ubuntu-us-or@lists.ubuntu.com</a> > Modify settings or unsubscribe at: > <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-us-or" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-us-or</a> > -- Ubuntu-us-or mailing list <a href="mailto:Ubuntu-us-or@lists.ubuntu.com">Ubuntu-us-or@lists.ubuntu.com</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-us-or" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-us-or</a> </div></div></blockquote></div> </div>