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I am trying to do SSH localforward port setting in VI config file, so that I can connect Hive server to do some R programming.

Steps followed:

  1. In shell, I configured below in VI config file:
Host bdp-*
UserName a6000

Host bdp-prod
HostName pdl001.na.abc.com
LocalForward 10000:pdl002.na.abc.com:10000
  1. When I do
ssh bdp-prod

I get this error:

ssh: Could not resolve hostname bdp-prod: Name or service not known

I saw couple of similar issues posted here and viewed some blogs related to this setting but couldn’t figure out what is wrong:

ssh: Could not resolve hostname hnname: Name or service not known

OS-windows, ssh version is 4.1. bdp-prod is alias name for the hostname in config file.

  • 1
    What OS are you attempting to do this on? What is bdp-prod? If that is not a hostname that can be resolved on the LAN it needs to be an entry in the /etc/hosts file. – JakeGould Sep 14 '15 at 20:52
  • Following up to @JakeGould, the hostname that needs to be resolvable on your computer is pdl001.na.abc.com. Regardless, unless you have a very different version of ssh, the UserName directive is not valid; should be just User. So, the question remains, what OS and what version of ssh? – crimson-egret Sep 15 '15 at 15:57
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I had the config file created at incorrect location. I now created configuration using

vi ~/.ssh/config

with same content as mentioned in question and able to have local port forward work. Thanks for all of your help.

-2
nscd --invalidate=hosts     

worked for me.

  • 1
    Some detail on what this does and why you need to do it would make this a good answer. – Mokubai Nov 2 '15 at 19:56

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