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So my Mac is sitting across the ocean, on my home network, with its ssh port forwarded.

I can ssh into it, and even connect to the Minecraft server running there.

However, commands like ping and curl all tell me that they can't resolve anything.

$ ssh myip
Password:
Last login: Wed Jul 11 15:40:42 2012 from over here
$ ping google.com
ping: cannot resolve google.com: Unknown host

How is this even possible? I rebooted some stuff, but nothing seems to help.

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2
  • Do you know if it has ever worked before? Can you connect to other hosts by IP?
    – slhck
    Jul 11, 2012 at 13:52
  • Here's a test (that I developed in desperation): run that ssh session with X forwarding, and then try to run Xclock. Tell us what happens
    – qweet
    Jul 11, 2012 at 13:57

2 Answers 2

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3

Are there DNS Server entries on the remote host? Seems like you're not able to do name resolution. Try to ping 209.85.148.113 (one of the hosts at google.com) for example.

Also maybe there's a firewall blocking unspecified traffic?

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1
  • My favourite ip address to ping is 8.8.8.8 (Google Public DNS primary server).
    – dave4420
    Jul 16, 2012 at 10:39
0

You could also check /tmp/system.cfg and set the primary dns server to google 8.8.8.8 for external lookups.

Save and this should remain persistent on reboot

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2
  • There is no such file on a Mac.
    – slhck
    Jul 11, 2012 at 15:25
  • Why are you giving Windows commands to a Mac user?
    – Ramhound
    Jul 31, 2012 at 12:44

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