/etc/hosts

127.0.0.1 localhost

conf/slaves
127.0.0.1


On Mon, Mar 28, 2016 at 5:36 PM, Mich Talebzadeh <[email protected]>
wrote:

> in your /etc/hosts what do you have for localhost
>
> 127.0.0.1 localhost.localdomain localhost
>
> conf/slave should have one entry in your case
>
> cat slaves
> # A Spark Worker will be started on each of the machines listed below.
> localhost
> .......
>
> Dr Mich Talebzadeh
>
>
>
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> On 28 March 2016 at 15:32, David O'Gwynn <[email protected]> wrote:
>
>> Greetings to all,
>>
>> I've search around the mailing list, but it would seem that (nearly?)
>> everyone has the opposite problem as mine. I made a stab at looking in the
>> source for an answer, but I figured I might as well see if anyone else has
>> run into the same problem as I.
>>
>> I'm trying to limit my Master/Worker UI to run only on localhost. As it
>> stands, I have the following two environment variables set in my
>> spark-env.sh:
>>
>> SPARK_LOCAL_IP=127.0.0.1
>> SPARK_MASTER_IP=127.0.0.1
>>
>> and my slaves file contains one line: 127.0.0.1
>>
>> The problem is that when I run "start-all.sh", I can nmap my box's public
>> interface and get the following:
>>
>> PORT     STATE SERVICE
>> 22/tcp   open  ssh
>> 8080/tcp open  http-proxy
>> 8081/tcp open  blackice-icecap
>>
>> Furthermore, I can go to my box's public IP at port 8080 in my browser
>> and get the master node's UI. The UI even reports that the URL/REST URLs to
>> be 127.0.0.1:
>>
>> Spark Master at spark://127.0.0.1:7077
>> URL: spark://127.0.0.1:7077
>> REST URL: spark://127.0.0.1:6066 (cluster mode)
>>
>> I'd rather not have spark available in any way to the outside world
>> without an explicit SSH tunnel.
>>
>> There are variables to do with setting the Web UI port, but I'm not
>> concerned with the port, only the network interface to which the Web UI
>> binds.
>>
>> Any help would be greatly appreciated.
>>
>>
>

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