hadoop-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Automation Me <anautom...@gmail.com>
Subject Re: New to Hadoop-SSH communication
Date Tue, 30 Apr 2013 22:04:49 GMT
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 <anautomate@gmail.com> 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 <
> mitra.kaseebhotla@gmail.com> 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 <anautomate@gmail.com>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 <dontariq@gmail.com>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 <anautomate@gmail.com>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
>>  ________________________________________
>>
>
>

Mime
View raw message