ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known

Question

I am trying to set up a VPN with a Raspberry Pi, and the first step is gaining the ability to ssh into the device from outside my local network. For whatever re

Answer 1

I got this error by using a .yml inventory file in ansible that was not properly formatted. For multiple hosts in a group, each hostname needs to end in a hard colon ":". Otherwise ansible runs the host names together and produces this ssh error.