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Editorial Team
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Asked: 2026-06-12T02:36:10+00:00

I’m using a setup of 2 VM’s with hadoop 1.0.3. One Machine is configured

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I’m using a setup of 2 VM’s with hadoop 1.0.3. One Machine is configured as master, one as slave. Additional to the master services a set of slave services is running on the master node too.

The Machines are configured to have one external IP towards the company network (10.x.x.x) and an internal one where the services bind (172.16.x.x).

But on the site where you can investigate the nodes (masternode) 10.x.x.x:50070/dfsnodelist.jsp the names of the nodes are showing up as localhost and not as the hostname or the ip of the machine. Also the links are set to localhost::50075/browseDirectory.jsp.... I would expect to get the hostname or the configured IP’s of the hosts (172.16.x.x)

Do you know where the configuration issue could be? Might be an explanation for all the other hiccups I’m having.

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1 Answer

  1. Editorial Team

    Got it!

    @octo was right, the dns didn’t work properly. So i edited the /etc/hosts file to resolve the hostname of each machine to the IP towards the internal network

    On master:

    172.16.XX.XM      master master-hostname
172.16.XX.XS      slave

    On slave:

    172.16.XX.XM      master
172.16.XX.XS      slave slave-hostname
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