comment out 127.0.1.1 ubuntu in both the machines. if it still doesn't work change 127.0.1.1 master to something else, like 127.0.0.3 or something.
Warm Regards, Tariq https://mtariq.jux.com/ cloudfront.blogspot.com On Wed, May 1, 2013 at 3:34 AM, Automation Me <[email protected]> wrote: > Hi Tariq, > > > Master: > > Users: > hduser hduser > > hostname: > ubuntu > > *etc/hosts* > > 127.0.0.1 localhost > 127.0.1.1 ubuntu > > # The following lines are desirable for IPv6 capable hosts > ::1 ip6-localhost ip6-loopback > fe00::0 ip6-localnet > ff00::0 ip6-mcastprefix > ff02::1 ip6-allnodes > ff02::2 ip6-allrouters > > 127.0.1.1 master > 127.0.0.2 slave > > > Slave Machine: > > Etc/Hosts > 127.0.0.1 localhost > 127.0.1.1 ubuntu > > # The following lines are desirable for IPv6 capable hosts > ::1 ip6-localhost ip6-loopback > fe00::0 ip6-localnet > ff00::0 ip6-mcastprefix > ff02::1 ip6-allnodes > ff02::2 ip6-allrouters > > > 127.0.1.1 master > 127.0.0.2 slave > > > users: > hduser hduser > > Hostname: > > ubuntu > > > On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <[email protected]>wrote: > >> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1 >> -ubuntu hostname for all machines >> >> @Tariq i will send the hosts file and users of all the machines. >> >> >> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla < >> [email protected]> wrote: >> >>> Looks like you have just cloned/copied the same VMs. Change the hostname >>> of each: >>> >>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart >>> >>> >>> >>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <[email protected]>wrote: >>> >>>> Thank you Tariq. >>>> >>>> I am using the same username on both the machines and when i try to >>>> copy a file master to slave just to make sure SSH is working fine, The file >>>> is copying into master itself not an slave machine. >>>> >>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile >>>> >>>> Any suggestions... >>>> >>>> >>>> Thanks >>>> Annt >>>> >>>> >>>> >>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <[email protected]>wrote: >>>> >>>>> ssh is actually *user@some_machine *to *user@some_other_machine*. >>>>> either use same username on both the machines or add the IPs along with >>>>> proper user@hostname in /etc/hosts file. >>>>> >>>>> HTH >>>>> >>>>> Warm Regards, >>>>> Tariq >>>>> https://mtariq.jux.com/ >>>>> cloudfront.blogspot.com >>>>> >>>>> >>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <[email protected]>wrote: >>>>> >>>>>> Hello, >>>>>> >>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu >>>>>> VM's.I am not able to communicate between two clusters using SSH. >>>>>> >>>>>> My host file: >>>>>> >>>>>> 127.0.1.1 Master >>>>>> 127.0.1.2 Slave >>>>>> >>>>>> The following changes i made in two VM's >>>>>> >>>>>> 1.Updated the etc/hosts file in two vm's >>>>>> >>>>>> on Master VM >>>>>> i did SSH keygen and trying to copy the key into Slave >>>>>> >>>>>> ssh-keygen -t rsa -P "" >>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys >>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu. >>>>>> >>>>>> When i login into master and slave and check >>>>>> >>>>>> master@ubuntu>Hostname it says UBUNTU >>>>>> slave@ubuntu>Hostname it says UBUNTU >>>>>> >>>>>> >>>>>> Could you assist me on this? >>>>>> >>>>>> Thanks >>>>>> Annt >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>> >>> >>> >>> -- >>> ________________________________________ >>> >>> To Understand Recursion, >>> You must first Understand Recursion >>> ________________________________________ >>> >> >> >
